G01L9/0079 - CPC Classification Index

ClassID:

166786 ⎘

G01L9/0079 - CPC Classification

Classification description:

Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements ; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means; Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light with Fabry-Perot arrangements

Recent Application in this class:

20250290815

2025-09-18

COMPACT INSTRUMENT FOR ACCURATE MEASUREMENT OF PRESSURE OF AN ENVIRONMENT

20250224295

2025-07-10

DUAL CAVITY INTERFEROMETER SENSOR SYSTEM

20250198868

2025-06-19

COLLIMATING ETALONS FOR PRESSURE AND TEMPERATURE SENSING

20240295395

2024-09-05

OPTICAL SENSING DEVICE FOR MEASURING DEFORMATION OF A SAMPLE

20240280427

2024-08-22

OPTICAL PRESSURE SENSOR AND MANUFACTURING METHOD THEREFOR

20240011859

2024-01-11

SYSTEM AND METHOD FOR MONITORING FABRY-PÉROT CAVITY DISPLACEMENTS

20240011855

2024-01-11

PRESSURE SENSOR

20230393005

2023-12-07

EXTRINSIC FABRY-PEROT ABSOLUTE PRESSURE SENSOR

20230009271

2023-01-12

FIBER-OPTIC FABRY-PEROT PRESSURE SENSOR AND BATCH PREPARATION METHOD FOR SENSING UNIT THEREOF

#10

20220236129

2022-07-28

High-sensitivity air pressure sensor based on suspended-core fiber and side-hole fiber

#11

20210325256

2021-10-21

Fabry-perot based advanced pneumatic fire/overheat detector

#12

20200233638

2020-07-23

Method for setting parameters for individual adaptation of an audio signal

#13

20200132561

2020-04-30

Sapphire sensor for measuring pressure and temperature with improved stress and temperature variation compensation

#14

20190391356

2019-12-26

Sensors including a housing, a diamond diaphragm, and an optical cable, and methods of manufacturing the sensors

#15

20190390431

2019-12-26

Embankment monitoring system

#16

20190382125

2019-12-19

Methods for installation of sensors and determining a fuel level measurement of fuel using a fuel level measurement system

#17

20190376861

2019-12-12

Quadrature detection for optical MEMS pressure gauge

#18

20180315546

2018-11-01

Transformer system and system for measuring pressure in a transformer tank

#19

20180259410

2018-09-13

Fibre-optic pressure sensor having an optical resonator and a method for pressure measurement

#20

20180224370

2018-08-09

Noise canceling detector

#21

20180164140

2018-06-14

Systems and methods for installation of sensors for fuel quantity indicating systems

#22

20180058949

2018-03-01

Sapphire sensor apparatus including an optical fiber for measuring pressure and temperature

#23

20180045541

2018-02-15

Optical sensor with one or more sensing interference elements

#24

20170356767

2017-12-14

Sensor system comprising multiplexed fiber-coupled fabry-perot sensors

#25

20170336255

2017-11-23

Fiber-optic measurement system and methods based on ultra-short cavity length Fabry-Perot sensors and low resolution spectrum analysis

#26

20170241257

2017-08-24

Pressure gauge insensitive to extraneous mechanical loadings

#27

20170131122

2017-05-11

Optical sensor

#28

20170122828

2017-05-04

Optical pressure sensor

#29

20170082514

2017-03-23

Optical pressure sensor with reduced mechanical stresses

#30

20170045384

2017-02-16

Method of assembling an optical sensor

#31

20160327414

2016-11-10

Systems and methods for optical measurements using multiple beam interferometric sensors

#32

20160273904

2016-09-22

Silicon based pressure and acceleration optical interferometric sensors with housing assembly

#33

20160231231

2016-08-11

Multi-functional fiber optic fuel sensor system having a photonic membrane

#34

20160202135

2016-07-14

Thermally stable high temperature pressure and acceleration optical interferometric sensors

#35

20160025562

2016-01-28

Fiber-optic measurement system and methods based on ultra-short cavity length Fabry-Perot sensors and low resolution spectrum analysis

#36

20150204748

2015-07-23

Multiplexed fiber-coupled fabry-perot sensors and method therefor

#37

20150177132

2015-06-25

Optical sensor

#38

20150080743

2015-03-19

Intravascular rotary blood pump

#39

20150033848

2015-02-05

Optical sensor with one or more sensing interference elements

#40

20150020599

2015-01-22

Optical pressure sensor

#41

20140327919

2014-11-06

Remote Seal for Pressure Sensor

#42

20140318273

2014-10-30

Sapphire sensor for measuring pressure and temperature

#43

20140246610

2014-09-04

Optical sensor

#44

20140202253

2014-07-24

Optical sensor

#45

20140168659

2014-06-19

MICROMACHINED METAL DIAPHRAGM BASED FABRY-PEROT FIBEROPTIC SENSOR SYSTEM AND DATA PROCESSING INVOLVING THE SAME

#46

20130100439

2013-04-25

Smart fiber optic sensors systems and methods for quantitative optical spectroscopy

#47

20120255363

2012-10-11

System for dual pressure sensing

#48

20120227505

2012-09-13

Miniature high sensitivity pressure sensor

#49

20120210797

2012-08-23

Ultra-miniature fiber-optic pressure sensor system and method of fabrication

#50

20120160031

2012-06-28

Optical tactile sensors

#51

20120085175

2012-04-12

Fibre optical system and use thereof

#52

20110317245

2011-12-29

System and method for false-color sensing and display

#53

20110264398

2011-10-27

Fibre Optic Sensor System

#54

20110198711

2011-08-18

SYSTEM AND METHOD FOR AN INTEGRATED ELECTRONIC AND OPTICAL MEMS BASED SENSOR

#55

20110023617

2011-02-03

Ultra-miniature fiber-optic pressure sensor system and method of fabrication

#56

20100321703

2010-12-23

Optical sensor

#57

20100310207

2010-12-09

Optical micromachined pressure sensor

#58

20100245840

2010-09-30

Self-calibrated interrogation system for optical sensors

#59

20100242628

2010-09-30

High temperature optical pressure sensor and method of fabrication of the same

#60

20100146771

2010-06-17

Method for producing a vacuum measuring cell of the membrane type

#61

20090320605

2009-12-31

Optical interferometric pressure sensor

#62

20090301208

2009-12-10

Differential pressure measuring system and differential pressure measuring method

#63

20090226128

2009-09-10

Single piece Fabry-Perot optical sensor and method of manufacturing the same

#64

20090225325

2009-09-10

Method and apparatus for continuous readout of fabry-perot fiber optic sensor

#65

20090219542

2009-09-03

Method for evaluating a measured parameter

#66

20090158853

2009-06-25

Diaphragm pressure measuring cell arrangement

#67

20090151423

2009-06-18

Pressure measuring device and method

#68

20090109423

2009-04-30

Dual cavity displacement sensor

#69

20090086214

2009-04-02

Aligned embossed diaphragm based fiber optic sensor

#70

20090027659

2009-01-29

Measuring system for measuring a physical parameter influencing a sensor element

#71

20080291457

2008-11-27

Optical displacement sensor

#72

20080226443

2008-09-18

Apparatus and methods for monitoring combustion dynamics in a gas turbine engine

#73

20080175529

2008-07-24

Micromachined optical pressure sensor

#74

20080163686

2008-07-10

Accelerometer comprising an optically resonant cavity

#75

20080159687

2008-07-03

Fabry-perot optical sensor and method of manufacturing the same

#76

20080151348

2008-06-26

Optical displacement sensor comprising a wavelength-tunable optical source

#77

20080110269

2008-05-15

Diaphragm vacuum measuring cell and method for the production of such measuring cell

#78

20080110008

2008-05-15

Optical interferometric pressure sensor manufacturing method

#79

20080075404

2008-03-27

ALIGNED EMBOSSED DIAPHRAGM BASED FIBER OPTIC SENSOR

#80

20080055604

2008-03-06

APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR INTERROGATING AN OPTICAL SENSING ELEMENT

#81

20080049230

2008-02-28

MEMS fiber optic microphone

#82

20070279640

2007-12-06

Displacement sensor

#83

20070277974

2007-12-06

Pressure sensor utilizing a low thermal expansion material

#84

20070272026

2007-11-29

Pressure sensor using light source

#85

20070252998

2007-11-01

Apparatus for continuous readout of fabry-perot fiber optic sensor

#86

20070236704

2007-10-11

Optical displacement sensor comprising a wavelength-tunable optical source

#87

20070227252

2007-10-04

Differential pressure transducer configurations including displacement sensor

#88

20070223000

2007-09-27

Optical sensor

#89

20070206202

2007-09-06

Apparatus comprising a high-signal-to-noise displacement sensor and method therefore

#90

20070165238

2007-07-19

Demodulation method and apparatus for fiber optic sensors

#91

20070089524

2007-04-26

Optical interferometric pressure sensor

#92

20070089522

2007-04-26

Differential pressure measuring system and differential pressure measuring method

#93

20070041019

2007-02-22

Rugged fabry-perot pressure sensor

#94

20070013914

2007-01-18

CRYSTALLINE OPTICAL FIBER SENSORS FOR HARSH ENVIRONMENTS

#95

20060244970

2006-11-02

Pressure sensor having two materials with different coefficients of thermal expansion configured to reduce temperature dependence

#96

20060192974

2006-08-31

Interferometric MOEMS sensor

#97

20060133715

2006-06-22

Fiber optic pressure sensor for catheter use

#98

20060115202

2006-06-01

Fibre optic based semiconductor micro sensors for sensing pressure or temperature, fabrication methods of said sensors, and a method of securing an optical fibre to a silicon block

#99