Inventor

DUNPHY JAMES R

US52 patents

⚠️ This page may combine multiple inventors who share the name “DUNPHY JAMES R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DUNPHY JAMES R

WEATHERFORD LAMB

Bragg grating pressure sensor

Fused tension-based fiber grating pressure sensor

Optical differential pressure sensor

Optical sensor having differing diameters

Highly sensitive accelerometer

Highly sensitive accelerometer

Highly sensitive accelerometer

Optical waveguide feedthrough assembly

Optical differential pressure transducer utilizing a bellows and flexure system

Optical sensor device having creep-resistant optical fiber attachments

Optical waveguide feedthrough assembly

Optical fiber feedthrough using axial seals for bi-directional sealing

Pressure transducer with optical waveguide feedthrough assembly

Array temperature sensing method and system

CIDRA CORP

Bragg grating sensor system with spectral response or code division multiplexing

Bourdon tube pressure gauge with integral optical strain sensors for measuring tension or compressive strain

Optical blocking filter having an array of micro-mirrors

Strain-isolated Bragg grating temperature sensor

Bragg grating pressure sensor for industrial sensing applications

Method and device for providing stable and precise optical reference signals

Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors

Optical spectrum analyzer

Multifunctional optical device having a spatial light modulator with an array of micromirrors

Chromatic dispersion compensation device having an array of micromirrors

Optical interleaver/deinterleaver device having an array of micro-mirrors

Optical filter device having creep-resistant optical fiber attachments

Creep-resistant optical fiber attachment

Select trigger and detonation system using an optical fiber

UNITED TECHNOLOGIES CORP

Variable area nozzle for gas turbine engines driven by shape memory alloy actuators

Multiplexed Bragg grating sensors

Diagnostic system for fiber grating sensors

Embedded optical sensor capable of strain and temperature measurement using a single diffraction grating

Composite structure resin cure monitoring apparatus using an optical fiber grating sensor

Highly sensitive optical fiber cavity coating removal detection

Spatially resolving fiber-optic crosstalk strain sensor

Forward scattering laser particulate sensor

Optical fiber bragg grating coating removal detection

Optical fiber entry strain relief interface for compression-molded structures

WEATHERFORD TECH HOLDINGS LLC

Acoustically enhanced optical cables

Acoustically enhanced optical cables

Small profile pressure and temperature gauges

Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Optical waveguide feedthrough assembly

Optical transducer with integrated feedthrough

DUNPHY JAMES R

Optical waveguide feedthrough assembly

Optical waveguide feedthrough assembly

FINMECCANICA SPA

Integrated optical instrumentation for the diagnostics of parts by embedded or surface attached optical sensors

TAVERNER DOMINO

Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

MACDOUGALL TREVOR

Array temperature sensing method and system

WEATHERFORD LAMB INC

Optical waveguide feedthrough assembly