Intellectual Property
Patents
Below is a list of issued US Patents owned by or licensed to CiDRA. Many other patents are pending. CiDRA products and/or services may be covered by one or more of the below-listed US patents or foreign counterparts thereto. Please return to this site often to obtain the latest list of issued CiDRA US patents. You may obtain a copy of these patents from www.USPTO.gov.
| US Patent | Issue Date | Title |
| 5,767,411 | 06/16/98 | Apparatus for Enhancing Strain in Intrinsic Fiber Optic Sensors and Packaging Same for Harsh Environments |
| 5,844,667 | 12/01/98 | Fiber Optic Pressure Sensor with Passive Temperature Compensation |
| 5,877,426 | 03/02/99 | Bourdon Tube Pressure Gauge with Integral Optical Strain Sensors for Measuring Tension or Compressive Strain |
| 5,892,860 | 04/06/99 | Multi-Parameter Fiber Optic Sensor for use in Harsh Environments |
| 5,925,879 | 07/20/99 | Oil and Gas Well Packer having Fiber Optic Bragg Grating Sensors for Downhole Insitu Inflation Monitoring |
| 5,945,665 | 08/31/99 | Bolt, Stud or Fastener having an embedded Fiber Optic Bragg Grating Sensor for Sensing Tensioning Strain |
| 5,973,317 | 10/26/99 | Washer having Fiber Optic Bragg Grating Sensors for Sensing a Shoulder Load between Components in a Drill String |
| 5,986,749 | 11/16/99 | Fiber Optic Sensing System |
| 5,987,197 | 11/16/99 | Array Topologies for Implementing Serial Fiber Bragg Grating Interferometer Arrays |
| 6,009,216 | 12/28/99 | Coiled Tubing Sensor System for Delivery of Distributed Mulitplexed Sensors |
| 6,016,702 | 01/25/00 | High Sensitivity Fiber Optic Pressure Sensor for use in Harsh Environments |
| 6,072,567 | 06/06/00 | Vertical Seismic Profiling System having Vertical Seismic Profiling Optical Signal Processing Equipment and Fiber Bragg Grafting Optical Sensors |
| 6,118,914 | 09/12/00 | Method and Device for Providing Stable and Precise Optical Reference Signals |
| 6,137,621 | 10/24/00 | Acoustic Logging System using Fiber Optics |
| 6,175,108 | 01/16/01 | Accelerometer Featuring Fiber Optic Bragg Grating Sensor for Providing Multiplexed Mulit-Axis Acceleration Sensing |
| 6,191,414 | 02/20/01 | Composite form as a component for a Pressure Transducer |
| 6,227,114 | 05/08/01 | Select Trigger and Detonation System using an Optical Fiber |
| 6,229,827 | 05/08/01 | Compression-Tuned Bragg Grating and Laser |
| 6,233,374 | 05/15/01 | Mandrel-Wound Fiber Optic Pressure Sensor |
| 6,249,624 | 06/19/01 | Method and Apparatus for Forming a Bragg Grating with High Intensity Light |
| 6,252,656 | 06/26/01 | Apparatus and Method of Siesmic Sensing Systems using Fiber Optics |
| 6,271,766 | 08/07/01 | Distributed Selectable Latent Fiber Optic Sensors |
| 6,274,863 | 08/14/01 | Selective Aperture Arrays for Seismic Monitoring |
| 6,278,811 | 08/21/01 | Fiber Optic Bragg Grating Pressure Sensor |
| 6,279,660 | 08/28/01 | Apparatus for Optimizing Production of Mulit-Phase Fluid |
| 6,298,184 | 10/02/01 | Method and Apparatus for Forming a Tube-Encased Bragg Grating |
| 6,305,227 | 10/23/01 | Sensing Systems Using Quartz Sensors and Fiber Optics |
| 6,310,990 | 10/30/01 | Tunable Optical Structure Featuring Feedback Control |
| 6,317,555 | 11/13/01 | Creep-Resistant Optical Fiber Attachment |
| 6,321,007 | 11/20/01 | Optical Fiber Having a Bragg Grating Formed in Its Cladding |
| 6,338,579 | 01/15/02 | Fiber Optic Sleeve Assembly for use at a Splice Junction of a Fiber Optic Cable |
| 6,346,702 | 02/12/02 | Fiber Bragg Grating Peak Detection System and Method for Doing the Same. |
| 6,351,987 | 03/05/02 | Fiber Optic Pressure Sensor for DC Pressure and Temperature |
| 6,354,147 | 03/12/02 | Fluid Parameter Measurement in Pipes using Acoustic Pressures |
| 6,363,089 | 03/26/02 | Compression-Tuned Bragg Grating and Laser. |
| 6,403,949 | 06/11/02 | Method and Apparatus for Correcting Systematic Error in a Wavelength Measuring Device. |
| 6,404,961 | 06/11/02 | Optical Fiber Cable having Fiber in Metal Tube Core with Outer Protective Layer |
| 6,414,303 | 07/02/02 | High Accuracy Bragg Grating Based Pressure Sensor with Dual Resolution Mode |
| 6,422,084 | 07/23/02 | Bragg Grating Pressure Sensor |
| 6,435,030 | 08/20/02 | Measurement of Propagating Acoustic Waves in Compliant Pipes |
| 6,439,055 | 08/27/02 | Pressure Sensor Assembly Structure to Insulate a Pressure Sensing Device from Harsh Environments |
| 6,443,226 | 09/03/02 | Apparatus for Protecting Sensors within a Well Environment. |
| 6,445,868 | 09/03/02 | Optical Fiber Feedthrough Assembly and Method of Making Same |
| 6,448,551 | 09/10/02 | Fiber Bragg Grating Sensor System having Enhanced Strain-to-Wavelength Responsivity by using a Spectral Beating Based Vernier Effect |
| 6,450,037 | 09/17/02 | Non-Instrusive Fiber Optic Pressure Sensor for Measuring Unsteady Pressures within a Pipe. |
| 6,452,667 | 09/17/02 | Pressure-Isolated Bragg Grating Temperature Sensor |
| 6,453,108 | 09/17/02 | Athermal Bragg Grating Package with Coarse and Fine Mechanical Tuning. |
| 6,456,771 | 09/24/02 | Optical Fiber with a Pure Silica Core Having a Bragg Grating Formed in its Core and a Process for Providing Same. |
| 6,462,329 | 10/08/02 | Fiber Bragg Grating Reference Sensor for Precise Reference Temperature Measurement. |
| 6,463,813 | 10/15/02 | Displacement Based Pressure Sensor Measuring Unsteady Pressure in a Pipe |
| 6,466,716 | 10/15/02 | Optical Fiber Having a Bragg Grating in a Wrap that Resists Temperature induced changes in Length. |
| 6,470,036 | 10/22/02 | Tunable External Cavity Semiconductor Laser Incorporating Tunable Bragg Grating. |
| 6,490,931 | 12/10/02 | Fused Tension-Based Fiber Grating Pressure Sensor |
| 6,496,625 | 12/17/02 | Transmission Cable Optical Fiber Protector and Method |
| 6,501,067 | 12/31/02 | Apparatus for Protecting Sensing Devices |
| 6,507,693 | 01/14/03 | Creep-Resistant Optical Fiber Attachment. |
| 6,519,388 | 02/11/03 | Tube-Encased Fiber Grating |
| 6,526,212 | 02/25/03 | Optical Fiber Bulkhead Feedthrough Assembly and Method of Making Same. |
| 6,529,923 | 03/04/03 | Method for Improving the Accuracy in the Determination of a Waveform Center |
| 6,536,291 | 03/25/03 | Optical Flow Rate Measurement Using Unsteady Pressures |
| 6,550,342 | 04/22/03 | Circumferential Strain Attenuator |
| 6,558,036 | 05/06/03 | Non-Contact Temperature Sensor For Measuring Internal Temperature of Fluids Within Pipes |
| 6,563,968 | 05/13/03 | Tunable Optical Structure Featuring Feedback Control |
| 6,575,033 | 06/10/03 | Highly Sensitive Accelerometer |
| 6,587,798 | 07/01/03 | Method and System for Determining the Speed of Sound in a Fluid within a Conduit |
| 6,594,081 | 07/15/03 | Actuator Mechanism for Tuning an Optice Device |
| 6,594,288 | 07/15/03 | Tunable Raman Laser and Amplifier |
| 6,594,410 | 07/15/03 | Wide Range Tunable Optical Filter |
| 6,597,711 | 07/22/03 | Bragg Grating based laser |
| 6,601,411 | 08/05/03 | Method for Annealing an Optical Waveguide Having a Bragg Grating |
| 6,601,458 | 08/05/03 | Distributed Sound Speed Measurements for Multiphase Flow Measurement |
| 6,601,671 | 08/05/03 | Method and Apparatus for Seismically Surveying an Earth Formation in Relation to a Borehold |
| 6,609,069 | 08/19/03 | Method and Apparatus for Determining the Flow Velocity of a Fluid within a Pipe |
| 6,621,957 | 09/16/03 | Temperature Compensated Optical Device |
| 6,626,043 | 09/30/03 | Fluid Diffusion Resistent Glass-Encased Fiber Optic Sensor |
| 6,633,695 | 10/14/03 | Compression-Tuned Grating Based Optical Add/Drop Multiplexer |
| 6,668,656 | 12/30/03 | Optical Sensor having Differing Diameters |
| 6,685,361 | 02/03/04 | Fiber Optic Cable Connections for Downhole Applications |
| 6,690,866 | 02/10/04 | Optical Fiber Cable for use in Harsh Environments |
| 6,691,584 | 02/17/04 | Flow Rate Measurement Using Unsteady Pressures |
| 6,698,297 | 03/02/04 | Venturi Augmented Flow Meter |
| 6,732,575 | 05/11/04 | Fluid Parameter Measurement in Pipes Using Acoustic Pressures |
| 6,753,034 | 06/22/04 | Method of Metallization of an Optical Waveguide |
| 6,763,043 | 07/13/04 | Tunable Grating Based Dispersion Compensator |
| 6,768,825 | 07/27/04 | Optical Sensor Device Having Creep-Resistant Optical Fiber Attachments. |
| 6,776,045 | 08/17/04 | Bragg Grating Pressure Sensor for Industrial Sensing Applications. |
| 6,782,150 | 08/24/04 | Apparatus for Sensing Fluid In a Pipe |
| 6,785,004 | 08/31/04 | Method and apparatus for interrograting fiber optic sensors |
| 6,789,424 | 09/14/04 | Highly sensitive accelerometer |
| 6,792,009 | 09/14/04 | Tunable Grating-Based Channel Filter Parking Device. |
| 6,804,693 | 10/12/04 | Method for Reducing Skew in a Real-time Centroid Calculation. |
| 6,810,178 | 10/26/04 | Large diameter optical waveguide having blazed grating therin |
| 6,813,013 | 11/02/04 | Pressure isolated bragg grating temperature sensor |
| 6,813,962 | 11/09/04 | Distributed sound speed measurements for multiphase flow measurement |
| 6,820,489 | 11/23/04 | Optical differential pressure sensor |
| 6,826,343 | 11/30/04 | Large diameter multi core waveguide |
| 6,834,142 | 12/21/04 | Optical grating based filter |
| 6,837,098 | 01/04/05 | Sand monitoring within wells using acoustic arrays |
| 6,840,114 | 01/11/05 | Housing on the exterior of a well casing for fiber sensors |
| 6,856,729 | 02/15/05 | Wavelength monitor utilizing a tunable bragg grating and blazed grating |
| 6,862,920 | 03/08/05 | Fluid Parameter Measurement in Pipes using acoustic pressures |
| 6,865,194 | 03/08/05 | Strain Isolated Bragg Grating Temperature Sensor |
| 6,868,737 | 03/22/05 | Circumferential strain attenuator |
| 6,877,378 | 04/12/05 | Fluid Diffusion resistant glass-encased fiber optic sensor |
| 6,888,972 | 05/03/05 | Multiple component sensor mechanism |
| 6,889,562 | 05/10/05 | Flow Rate Measurement for industrial sensing applications using unsteady pressures |
| 6,891,621 | 05/10/05 | Highly sensitive cross axis accelerometer |
| 6,898,338 | 05/24/05 | A Fabry-Perot element based on a large-diameter optical waveguide |
| 6,898,541 | 05/24/05 | Method and apparatus for determining component flow rates for a multi-phase flow |
| 6,915,048 | 07/05/05 | Fabry-perot filter/resonator |
| 6,922,277 | 07/26/05 | Optical interleaver/deinterleaver device having an array of mirco-mirrors |
| 6,934,069 | 08/23/05 | Chromatic dispersion compensation device having an array of micromirrors |
| 6,947,640 | 09/20/05 | Alignment and imaging system for writing bragg gratings |
| 6,955,085 | 10/18/05 | Optical Accelerometer or displacement device using a flexure system |
| 6,956,687 | 10/18/05 | Optical blocking filter having an array of micromirrors |
| 6,957,574 | 10/25/05 | Well integrity monitoring system |
| 6,959,604 | 11/01/05 | Non-Contact fiber optic pressure sensor for measuring unsteady pressures in a pipe |
| 6,971,259 | 12/06/05 | Fluid density measurement in pipes using acoustic pressures |
| 6,982,996 | 01/03/06 | Large diameter optical wave guide, grate and laser |
| 6,986,276 | 01/17/06 | Deployable mandrel for downhole measurements |
| 6,988,411 | 01/24/06 | Fluid parameter measurement in pipes using acoustic pressures |
| 6,995,352 | 02/07/06 | Fiber optic based method and system for determining and controlling position of a sliding sleeve valve |
| 6,996,316 | 02/07/06 | Large diameter D-shaped waveguide and optical coupler |
| 7,006,206 | 02/28/06 | Method and apparatus for detecting peaks in an optical signal using a cross-correlation filter |
| 7,013,729 | 03/21/06 | Highly sensitive accelerometer |
| 7,019,883 | 03/28/06 | Dynamic optical filter having a spatial light modulator |
| 7,028,538 | 04/18/06 | Sand monitoring within wells using acoustic arrays |
| 7,028,543 | 04/18/06 | System and method for monitoring performance of downhole equipment using fiber optic based sensors |
| 7,032,432 | 04/25/06 | Apparatus and method for measuring parameters of a mixture having liquid droplets suspended in a vapor flowing in a pipe |
| 7,052,185 | 05/30/06 | Fiber optic cable connectors for downhole applications |
| 7,058,549 | 06/06/06 | Apparatus and method for measuring unsteady pressures within a large diameter pipe |
| 7,059,171 | 06/19/06 | Fluid density measurement in pipes using accoustic pressures |
| 7,059,172 | 06/13/06 | Fluid density measurement in pipes using accoustic pressures |
| 7,062,126 | 06/13/06 | Large diameter optical waveguide having bragg grating and being configured for reducing the bulk modulus of compressibility |
| 7,062,976 | 06/20/06 | An apparatus and method for measuring gas volume fraction of a fluid flowing within a pipe |
| 7,068,897 | 06/27/06 | Method for restoring or increasing photosensitivity in hydrogen or deuterium loaded large diameter optical waveguide |
| 7,080,529 | 07/25/06 | A method for making large diameter optical waveguide having bragg grating and being configured for reducing the bulk modulus of compressibility |
| 7,086,278 | 08/08/06 | Measurement of entrained and dissolved gasesin process flow lines |
| 7,096,719 | 08/29/06 | Apparatus for measuring parameters of a flowing multiphase mixture |
| 7,110,893 | 09/19/06 | Method and apparatus for measuring a parameter of a fluid flowing within a pipe using an array of sensors |
| 7,121,152 | 10/17/06 | A portable flow measurement apparatus having an array of sensors |
| 7,123,833 | 10/17/06 | Dynamically reconfigurable optical smart node |
| 7,124,818 | 10/24/06 | Multiple Component Sensor Mechanism |
| 7,126,740 | 10/24/06 | Multifunctional optical device having a spatial light modulator with an array of micromirrors. |
| 7,127,360 | 10/24/06 | Dual function flow measurement apparatus having an array of sensors |
| 7,134,320 | 11/14/06 | Apparatus and method for providnig a density measurement augmented for entrained gas |
| 7,139,667 | 11/21/06 | Method for calibrating a volumetric flow meter having an array of sensors |
| 7,146,864 | 12/12/06 | An apparatus having a multiband sensor assembly for measuring a paramenter of a fluid flow flowing within a pipe |
| 7,150,202 | 12/19/06 | Method and apparatus for measuring characteristics of core-annular flow |
| 7,152,003 | 12/19/06 | Method and apparatus for determining a quality metric of a measurement of a fluid parameter |
| 7,152,460 | 12/26/06 | An apparatus and method for compensating a coriolis meter |
| 7,155,074 | 12/26/04 | A pressure transducer featuring large diameter configured for reducing the bulk modulus of compressibility thereof |
| 7,165,464 | 01/23/07 | An apparatus and method for providing a flow measurement compensated for entrained gas |
| 7,171,315 | 01/30/07 | Method and apparatus for measuring a parameter of a fluid flowing within a using sub-array processing |
| 7,180,601 | 02/20/07 | Optical system featuring chirped Bragg Grating Etalon for providing precise reference wavelengths |
| 7,181,955 | 02/27/07 | Apparatus and method for measuring multi-phase flows in pulp and paper industry applications |
| 7,197,938 | 04/03/07 | Contact-based transducers for charactarizing unsteady pressures in pipes |
| 7,197,942 | 04/03/07 | Apparatus for measuring velocity and flow rate of a fluid having a non-negligible axial mach number using an array of sensors |
| 7,209,606 | 04/24/07 | A Fabry-Perot Element Based on a Large-Diameter Optical Waveguide |
| 7,237,440 | 07/03/07 | A flow measurement apparatus having strain-based sensors and ultrasonic sensors |
| 7,245,385 | 07/17/07 | Characterizing unsteady pressures in pipes using optical measurement devices |
| 7,253,742 | 08/07/07 | Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors |
| 7,253,897 | 08/07/07 | Optical spectrum analyzer |
| 7,261,002 | 08/28/07 | Flow rate measurement using unsteady pressures |
| 7,269,316 | 09/11/07 | Method for restoring or increasing photosensitivity in hydrogen or deuterium loaded large diameter optical waveguide |
| 7,275,421 | 10/02/07 | Apparatus and method for measuring parameters of a mixture having solid particules suspended in a fluid flowing in a pipe |
| 7,295,933 | 11/13/07 | Configurable multi-function flow measurement apparatus having an array of sensors |
| 7,299,705 | 11/27/07 | An apparatus and method for augmenting a coriolis meter |
| 7,302,861 | 12/04/07 | A portable flow measurement apparatus having an array of sensors |
| 7,308,820 | 12/18/07 | Piezocable based sensor for measuring unsteady pressures inside a pipe |
| 7,322,245 | 01/29/08 | Apparatus and method for measuring a fluid flowing in a pipe using acoustic pressures |
| 7,322,251 | 01/29/08 | Method and apparatus for measuring a parameter of a high temperature fluid within a pipe using an array of piezoelectric based flow sensors |
| 7,328,113 | 02/05/08 | Method for calibrating a volumetric flow meter having an array of sensors |
| 7,328,624 | 02/12/08 | Probe for Measuring Parameters of a Flowing Fluid and/or Multiphase Mixture |
| 7,330,797 | 02/12/08 | An Apparatus and Method for Measuring Settlement of Solids in a Multiphase Flow |
| 7,337,075 | 02/26/08 | Apparatus and Method for Measuring Parameters Of A Mixture Having Liquid Droplets Suspended in A Vapor Flowing In A Pipe |
| 7,340,353 | 03/04/08 | A dual function flow measurement apparatus having an array of sensors |
| 7,343,818 | 03/18/08 | A clamp on apparatus and method for measuring gas volume fraction of a gluid flowing within a pipe |
| 7,343,820 | 03/15/08 | An apparatus and method for fiscal measuring of an aerated fluid |
| 7,359,803 | 04/15/08 | Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe |
| 7,363,800 | 04/29/08 | Apparatus and method for measuring compositional parameters of a mixture |
| 7,367,239 | 05/06/08 | Piezocable based sensor for measuring unsteady pressures inside a pipe |
| 7,367,240 | 05/06/08 | An apparatus and method for providing a flow measurement compensated for entrained gas |
| 7,369,716 | 05/06/08 | High pressure and high temperature acoustic sensor |
| 7,379,828 | 05/27/08 | Method for determining a speed of sound quality metric for a flow meter having an array of sensors |
| 7,380,438 | 06/03/08 | Apparatus and method for providing a fluid cut measurement of a multi-liquid mixture compensated for entrained gas |
| 7,380,439 | 06/03/08 | An apparatus and method for compensating a coriolis meter |
| 7,386,204 | 06/10/08 | Optical filter having a shaped filter function |
| 7,389,187 | 06/17/08 | Apparatus and method using an array of ultrasonic sensors for determining the velocity of a fluid within a pipe |
| 7,389,687 | 06/24/08 | System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe |
| 7,400,985 | 07/15/08 | An apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe |
| 7,418,877 | 09/02/08 | Wet gas metering using a differential pressure based flow meter with a sonar based flow meter |
| 7,426,852 | 09/23/08 | Submersible meter for measuring a parameter of gas hold-up of a fluid |
| 7,430,881 | 10/07/08 | Method of making an optical fiber attachment device |
| 7,430,924 | 10/07/08 | Flow measurement apparatus having strain-based sensors and ultrasonic sensors |
| 7,437,043 | 10/14/08 | Large diameter optical waveguide, grate and laser |
| 7,437,946 | 10/21/08 | An apparatus and method for measuring a parameter of a multiphase flow |
| 7,440,873 | 10/21/08 | An apparatus and method of processing data to improve the performance of a flow monitoring system |
| 7,454,981 | 11/25/08 | Apparatus and method for determining a parameter in a wet gas flow |
| 7,463,828 | 12/09/08 | Optical channel monitor |
| 7,474,966 | 01/06/09 | An apparatus having an array of piezoelectric film sensors for measuring parameters of a process flow within a pipe |
| 7,503,227 | 03/17/09 | Method and apparatus for measuring parameters of a fluid flow using an array of sensors |
| 7,516,024 | 04/07/09 | Method and apparatus for measuring parameters of a stratified flow |
| 7,526,966 | 05/05/09 | An apparatus and method for measuring a parameter of a multiphase flow |
| 7,571,633 | 08/11/09 | Measurement of entrained and dissolved gases in process flow lines |
| 7,587,948 | 09/15/09 | Flow Rate Measurement for industrial sensing applications using unsteady pressures |
| 7,596,987 | 10/06/09 | Apparatus and Method for Providing a Density Measurement Augmented for Entrained Gas |
| 7,603,916 | 10/20/09 | Wet Gas Metering using a Differential Pressure and a Sonar Based Flow Meter |
| 7,617,716 | 11/17/09 | Total Gas Meter Using Speed of Sound and Velocity Measurements |
| 7,623,976 | 11/24/09 | System of Distributed Configurable Flowmeters |
| 7,624,650 | 12/01/09 | Apparatus and Method for Attenuating Acoustic Waves Propagating within a Pipe Wall |
| 7,624,651 | 12/01/09 | Apparatus and Method for Attentuating Acoustic Waves in Pipe Walls for Clamp-On Ultrasonic Flow Meter |
| 7,657,392 | 02/02/10 | Method and Apparatus for Detecting and Characterizing Particles in a Multiphase Fluid |
| 7,661,302 | 02/16/10 | Multi-Phase Flow Measurement Ssytem having a Fluid Separator |
| 7,672,794 | 03/02/10 | System and Method for Operating a Flow Process |
| 7,673,526 | 03/09/10 | Method and Apparatus for Measuring a Paramter of a Fluid Flowing Within a Pipe Having a Sensing Device with Multiple Sensor Segments |
| 7,690,266 | 04/06/10 | Process Fluid Sound Speed Determined by Characterization of Acoustic Cross Modes |
| 7,725,270 | 05/25/10 | Industrial Flow Meter Having an Accessible Digital Interface |
| 7,752,918 | 07/13/10 | Apparatus and Method for Measuring a Fluid Flow Parameter within an Internal Passage of an Elongated Body |
| 7,793,555 | 09/14/10 | Apparatus and Method for Augmenting a Coriolis Meter |
| 7,810,400 | 10/12/10 | Velocity Based Method for Determining Air-fuel Ratio of a Fluid Flow |
| 7,831,398 | 11/09/10 | Method for Quantifying Varying Propagation Characteristics of Normal Incident Ultrasonic Signals as used in Correlation Based Flow Measurement |
| 7,882,750 | 02/08/11 | Method and Apparatus for Measuring Parameters of a Fluid Flowing within a Pipe Using a Configurable Array of Sensors |
| 7,962,293 | 06/14/11 | Apparatus and Method for Providing a Stratification Metric of a Multiphase Fluid Flowing within a Pipe |
| 7,963,175 | 06/21/11 | Clamp-On Apparatus for Measuring a Fluid Flow That Includes a Protective Sensor Housing |
| 7,963,177 | 06/21/11 | Apparatus for Attenuating Ultrasonic Waves Propagating Within a Pipe Wall |
| 7,795,559 | 07/14/11 | Apparatus for Attenuating Ultrasonic Waves Propagating within a Pipe Wall |
| 8,061,186 | 11/22/11 | System and Method for Providing a Compositional Measurement of a Mixture Having Entrained Gas |
| 8,109,127 | 02/07/12 | Measurement of Entrained and Dissolved Gases in Process Flow Lines |
| 8,117,918 | 02/21/12 | Method and Apparatus for Determining Pipewall Thickness Using One or More Ultrasonic Sensors |
| 8,228,686 | 07/24/12 | Apparatus and Method for Measuring Liquid and Gas Flow Rates in a Stratified Multi-Phase Flow |
| 8,286,466 | 10/16/12 | Method and Apparatus for Making a Water Cut Determination Using a Sequestered Liquid-Continuous Stream |
| 8,336,393 | 12/25/12 | Method and Apparatus for Measuring Parameters of a Fluid Flowing within a Pipe Using a Configurable Array of Sensors |
| 8,346,491 | 01/01/13 | Sonar-Based Flow Meter Operable to Provide Product Identification |
| 8,402,840 | 03/26/13 | Ultrasonic Fluid Flow Meter Housing with Acoustically Matched Base |
| 8,402,841 | 03/26/13 | Apparatus and Method for Sensing Fluid Flow in a Pipe with Variable Wall Thickness |
| 8,428,892 | 04/23/13 | Viscous Fluid Flow Measurement Using a Differential Pressure Measurement and a Sonar Measured Velocity |
| 8,452,551 | 05/28/13 | Method and Apparatus for Monitoring Multiphase Fluid Flow |
| 8,641,813 | 02/04/14 | System and Method for Optimizing a Gas/Liquid Separation Process |
| 8,713,988 | 05/06/14 | Use of Gas Void Fraction Measurement is the Closed Loop Control of a Fermentation Process |
| 8,739,637 | 06/03/14 | Applications for Real-Time Mass Ratio, Mass Flow and Particle Size Measurement of Particle Laden Flows |
| 8,862,411 | 10/14/14 | Velocity and Impingement Method for Determining Parameters of a Particle/Fluid Flow |
| 8,893,558 | 11/25/14 | Method and Apparatus for Measuring Parameters of a Fluid Flowing Within a Pipe Using a Configurable Array of Sensors |
| 8,931,520 | 01/13/15 | Pipe with Integrated Process Monitoring |
| 9,046,399 | 06/02/15 | Minimally Intrusive Monitoring of a Multiphase Process Flow Using a Tracer and a Spatially Arranged Array of at Least Two Sensors on a Flow Pipe |
| 9,057,635 | 06/16/15 | Velocity Based Method for Determining Air-Fuel Ratio of a Fluid Flow |
| 9,062,682 | 06/23/15 | Applications of Pump Performance Monitoring |
| 9,068,872 | 06/30/15 | Method and Apparatus for Monitoring Multiphase Fluid Flow |
| 9,169,158 | 10/27/15 | Non-Chemical Air Entrained Admix |
| 9,291,490 | 03/22/16 | Applications of Sonar-Based VF/GVF Metering to Industrial Processing |
| 9,297,733 | 03/29/16 | Dispersion Compensation Technique for Differential Sonar Measurement - Density Meter |
| 9,302,270 | 04/05/16 | Mineral Separation Using Functinalized Filters and Membranes |
| 9,327,294 | 05/03/16 | Synthetic Bubbles or Beads Having Hydrophobic Surface |
| 9,335,298 | 05/10/16 | Wear-Monitoring with Rotational Sensor and Sensor Thickness |
| 9,352,335 | 05/31/16 | Synthetic Beads/Bubbles Functionalized with Molecules for Attracting and Attaching to Mineral Particles of Interest |
| 9,360,309 | 06/07/16 | Method and Apparatus for Monitoring of Component Housing Wall Thickness and Wear Monitoring |
| 9,366,653 | 06/14/16 | Graphical User Interace Re Wear Monitoring |
| 9,404,893 | 08/02/16 | Flow and Pipe Management Using Velocity Profile Measurement and/or Pipe Wall Thickness and Wear Monitoring |
| 9,612,194 | 04/04/17 | Spectroscopic Analysis of Oil Sands Ore Face for Real Time Ore Blend Management |
| 9,645,001 | 05/09/17 | Performance Monitoring of Individual Hydroclones Using Sonar-Based Slurry Flow Measurement |
| 9,696,190 | 07/04/17 | Acoustic Probing Technique for the Determination of Multiple Liquid/Froth Interfaces in Separation and Storage Vessels Based on an Oblique Tomographic Analysis Approach |
| 9,731,221 | 08/15/17 | Apparatus Having Polymer Surfaces Having a Siloxane Functional Group |
| 9,759,556 | 09/12/17 | Acoustic Probing Technique for the Determination of Interior Pipe Coating Wea or Scale Build-Up and Liner Wear |
| 9,810,665 | 11/07/17 | Sonic Filter for Measuring and Capturing Particles Having a Particular Particle Size in a Fluid, Mixture or Process Flow |
| 9,827,574 | 11/28/17 | Mineral Separation Using Sized-, Weighted- or Magnetic-Based Polymer Bubbles or Beads |
| 9,833,763 | 12/05/17 | Optimizing Acoustic Efficiency of a Sonic Filter or Separator |
| 9,839,919 | 12/12/17 | Charged Engineered Polymer Beads/Bubbles Functionalized with Molecules for Attracting and Attaching to Mineral Particles of Interest for Flotation Separation |
| 9,851,201 | 12/26/17 | Method and Apparatus for Using Cepstrum and Wavelet Based Algorithms for Wall Thickness Measurement |
| 9,880,095 | 01/30/18 | Laser Based System for Bitumen Content Determination, E.G., Using Discrete Wavelength Spectroscopic Analysis |
| 9,909,910 | 03/06/18 | Tomographic and Sonar-Based Processing Using Electrical Probing on a Flowing Fluid to Determine Flow Rate |
| 9,921,092 | 03/20/18 | Velocity Based Method for Determining Air-Fuel Ratio of a Fluid Flow |
| 9,932,525 | 04/03/18 | Method and System for Flotation Separation in a Magnetically Controllable and Steerable Medium |
| 9,943,860 | 04/17/18 | Mineral Recovery in Tailings Using Functionalized Polymers |
| 9,977,007 | 05/22/18 | Bubble Size Determination Based on Bubble Stiffness |
| 9,981,271 | 05/29/18 | Method and System for Releasing Mineral from Synthetic Bubbles and Beads |
| 9,981,272 | 05/29/18 | Techniques for Transporting Synthetic Beads or Bubbles in a Flotation Cell Or Column |
| 9,989,453 | 06/05/18 | Tomographic Determination of Scale Build-Up in Pipes and Other Tanks, Cells, Vessels or Containers |
| 9,995,609 | 06/12/18 | Single Wrapped Sensor Flow Meter |
| 10,031,009 | 07/24/18 | Flow Profiling Techniques Based on Modulated Magnetic Electrical Impedance Tomography |
| 10,060,570 | 08/28/18 | Smart Pipe Concept Based on Embedded Taggant-Sensor and/or Color-Encoded Elements to Monitor Liner Wear in Lined Pipelines, Incluing Uethan Lined Pipe |
| 10,071,352 | 09/11/18 | Techniques for Agglomerating Mature Fine Tailing by Injecting a Polymer in a Process Flow |
| 10,088,454 | 10/02/18 | Speed of Sound and/or Density Measurement Using Acoustic Impedance |
| 10,099,251 | 10/16/18 | Re-Lined Pipe Technique for Wear Mitigation in Slurry Transport Pipeline |
| 10,156,547 | 12/18/18 | Method and Appartaus for Providing Real Time Air Measurement Applications in Wet Concrete |
| 10,216,204 | 02/26/19 | Determining Shear Rate and/or Shear Stress from Sonar Based Velocity Profiles and Differential Pressure |
| 10,228,706 | 03/12/19 | Method and Apparatus for Using Velocity Profile Measurements in Recovering Bitumen from a Coarse Tailings Line |
| 10,245,597 | 04/02/19 | Dimensionally Controlled "Engineered Polymer Bubble" for Flotation Separation |
| 10,309,887 | 06/04/19 | Acoustic Impact Particle Size Measurement |
| 10,357,782 | 07/23/19 | Flotation Separation Using Lightweight Synthetic Beads or Bubbles |
| 10,379,071 | 08/13/19 | Dual Acoustic and Electrical Analysis Technique for the Tomographic Determination of Multiphase Flows in Pipes and/or Liquid/Froth Interfaces in Process Tanks |
If you have any questions regarding CiDRA's patents please contact CiDRA at the below address.
CiDRA
50 Barnes Park North
Wallingford, CT 06492
Attn: Patents
Phone: 203.265.0035
Fax: 203.294.4211
email CiDRA Patents
This page was last updated: August 14, 2019