ClassID:

166828

G01L13/025 - CPC Classification

Classification description:

Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms

Sub-classes:
Recent Application in this class:
#1
20260056072
2026-02-26

ELECTRONIC DEVICES AND METHODS OF MANUFACTURING ELECTRONIC DEVICES

#2
20250362193
2025-11-27

SENSOR POSITIONING

#3
20250264367
2025-08-21

LAMINATE SUBSTRATE-BASED DIFFERENTIAL PRESSURE SENSOR PACKAGE COMBINING AIR CAVITY CHANNEL SUBSTRATE, OVERMOLD, AND LID WITH TWO CHIMNEYS

#4
20250130129
2025-04-24

PRESSURE SENSOR HAVING IMPROVED REJECTION OF UNDESIRED STIMULI

#5
20250012654
2025-01-09

PRESSURE SENSOR

#6
20240377275
2024-11-14

PRESSURE TRANSDUCER FOR USE IN CHARGED MEDIA

#7
20240369433
2024-11-07

Metal Pressure Measuring Cell

#8
20240337551
2024-10-10

Sensor Assembly

#9
20240288324
2024-08-29

PRESSURE SENSOR WITH CONTACT DETECTION OF THE DEFLECTION OF THE MEMBRANE, PRESSURE SENSOR SYSTEM AND METHOD FOR GENERATING A PRESSURE SIGNAL

#10
20240241005
2024-07-18

METHOD FOR FORMING A PATHWAY IN A PRESSURE SENSOR HAVING A GLASS TO METAL SEAL

#11
20240219252
2024-07-04

ELECTRONIC COMPONENTS, DETECTION METHOD OF PRESSURE VALUE AND MANUFACTURING METHOD OF ELECTRONIC COMPONENTS

#12
20240175772
2024-05-30

ELECTRONIC DEVICES AND METHODS OF MANUFACTURING ELECTRONIC DEVICES

#13
20240019332
2024-01-18

Load-lock gauge

#14
20230417614
2023-12-28

MEMS PRESSURE SENSOR

#15
20230332969
2023-10-19

Pressure Sensing Device

#16
20230304908
2023-09-28

DIFFERENTIAL DENSITY SYSTEM AND METHOD

#17
20230145145
2023-05-11

SPIRAL WOUND MEMBRANE MODULES WITH SENSOR AND TRANSMITTER

#18
20230058515
2023-02-23

Differential pressure sensor and method of using the same

#19
20230050553
2023-02-16

REAL-TIME GAIN CALIBRATION OF A SENSOR

#20
20230012816
2023-01-19

Relative-pressure sensor comprising a drying chamber

#21
20230003599
2023-01-05

Oil fill transducer with rubber disc for dynamic protection

#22
20220412830
2022-12-29

Relative-pressure sensor comprising a reference-pressure supply

#23
20220412828
2022-12-29

Transducer assembly with header with improved configuration including side pins

#24
20220334021
2022-10-20

Differential pressure sensor and detection device comprising such a sensor

#25
20220326105
2022-10-13

Micromechanical component for a pressure and inertial sensor device

#26
20220316973
2022-10-06

Differential pressure sensor

#27
20220228939
2022-07-21

Load-lock gauge

#28
20220107234
2022-04-07

Differential pressure sensor and method of using the same

#29
20220090976
2022-03-24

Differential transducer with bellows coupling

#30
20220057284
2022-02-24

System and methods for a multi-function pressure device using piezoelectric sensors

#31
20220048761
2022-02-17

Microelectromechanical capacitive pressure sensor having a valve portion being operable to close first output and open second output to equalize pressure

#32
20210396615
2021-12-23

Pressure sensor assembly

#33
20210372875
2021-12-02

Pressure sensor element for a pressure sensor having a strain resistance gauge on a first surface of the diaphragm

#34
20210364379
2021-11-25

Differential pressure detection device

#35
20210325271
2021-10-21

Pluggable sensor device for measuring properties of fluid substance

#36
20210310888
2021-10-07

Differential pressure indicating device

#37
20210293644
2021-09-23

Capacitance manometer with improved baffle for improved detection accuracy

#38
20210237195
2021-08-05

Pressure measuring device having a membrane edge and mounting element connected by a diffusion weld

#39
20210208017
2021-07-08

Differential pressure sensor with improved filter stability

#40
20210190619
2021-06-24

High range differential pressure sensor

#41
20210190618
2021-06-24

System and methods for a multi-function pressure device using piezoelectric sensors

#42
20210181052
2021-06-17

Differential pressure gauge with improved signal-to-noise ratio suppression

#43
20210181051
2021-06-17

DIFFERENTIAL PRESSURE MEASURING INSTRUMENT

#44
20210172818
2021-06-10

Transducer assembly with header with improved configuration including side pins

#45
20210164856
2021-06-03

System and method for indicating air pressure within an enclosed space

#46
20210156756
2021-05-27

MEMS pressure sensor

#47
20210123826
2021-04-29

Pressure sensor

#48
20210108979
2021-04-15

SENSOR ELEMENT

#49
20210010889
2021-01-14

Differential pressure sensor for determining a differential pressure value and an absolute pressure value

#50
20200378853
2020-12-03

Systems and methods for compensating the effects of absolute pressure in differential pressure sensors

#51
20200333204
2020-10-22

Measuring element with an extended permeation resistant layer

#52
20200309631
2020-10-01

Sensor body cell of a pressure sensor

#53
20200309628
2020-10-01

Pressure sensor assembly and measurement transducer for process instrumentation with the pressure sensor assembly

#54
20200284677
2020-09-10

Leadless pressure sensor

#55
20200284676
2020-09-10

Coil actuated pressure sensor and deflectable substrate

#56
20200271355
2020-08-27

Electrical connector, fluid state test device and fluid heat exchange system

#57
20200232860
2020-07-23

MEMS pressure sensor

#58
20200209089
2020-07-02

Method for manufacturing micromechanical diaphragm sensors

#59
20200182726
2020-06-11

Sensor element with integral supporting and sensor body

#60
20200166424
2020-05-28

Capacitive Pressure Sensor

#61
20200123002
2020-04-23

Absolute and differential pressure sensors and related methods

#62
20200064213
2020-02-27

CAPACITANCE MANOMETER FOR HIGH TEMPERATURE ENVIRONMENTS

#63
20200033219
2020-01-30

Pressure sensor chip

#64
20190391030
2019-12-26

Field device interface seal and electrical insulation

#65
20190339148
2019-11-07

Sensor having thermal gradients

#66
20190255231
2019-08-22

Replacement part for ophthalmological apparatus

#67
20190254168
2019-08-15

Sensor device having printed circuit board substrate with built-in media channel

#68
20190242773
2019-08-08

Differential pressure measurement arrangement and method for identifying blocked differential pressure lines

#69
20190219470
2019-07-18

AIRFLOW SENSOR

#70
20190219469
2019-07-18

CAPACITIVE PRESSURE SENSOR AND METHOD FOR ITS MANUFACTURE

#71
20190170595
2019-06-06

PRESSURE DIFFERENCE SENSOR FOR DETERMINING A PRESSURE MEASUREMENT SIGNAL

#72
20190162615
2019-05-30

PRESSURE SENSOR AND PRESSURE SENSOR MODULE

#73
20190120713
2019-04-25

Differential pressure transmitter with intrinsic verification

#74
20190094092
2019-03-28

DIAPHRAGM PRESSURE GAUGE

#75
20190064023
2019-02-28

Sensor

#76
20190064020
2019-02-28

Microelectromechanical transducer with thin-membrane for high pressures, method of manufacturing the same and system including the microelectromechanical transducer

#77
20190032814
2019-01-31

Detecting and signaling system

#78
20190025144
2019-01-24

Pressure sensor

#79
20180364121
2018-12-20

Force sensing device and a force sensing system

#80
20180340990
2018-11-29

Coil actuated pressure sensor

#81
20180306663
2018-10-25

Compact pressure transducer

#82
20180259411
2018-09-13

Pressure sensor and pressure measuring method

#83
20180252606
2018-09-06

Semiconductor differential pressure sensor

#84
20180245999
2018-08-30

Pressure sensor arrangement having rotating articulation including strain gauges

#85
20180238761
2018-08-23

Pressure detection device

#86
20180238757
2018-08-23

Capacitive pressure sensor

#87
20180238756
2018-08-23

Capacitive pressure sensor

#88
20180222574
2018-08-09

Disc spring providing linear axial motion

#89
20180209865
2018-07-26

Device for detecting a pressure of a fluid medium and method for manufacturing the device

#90
20180195924
2018-07-12

O-ring internal seal for pressure sensor

#91
20180148323
2018-05-31

Multi-device transducer modulus, electronic apparatus including the transducer modulus and method for manufacturing the transducer modulus

#92
20180143094
2018-05-24

High pressure dynamic micro differential pressure gauge, and methods for using and checking the same

#93
20180136067
2018-05-17

Redundant measurement of pseudo differential pressure using absolute pressure sensors

#94
20180128699
2018-05-10

Pressure difference sensor comprising at least one measuring cell, pressure means and measurement line

#95
20180113040
2018-04-26

Quasi-differential capacitive MEMS pressure sensor and manufacturing methods thereof

#96
20180105417
2018-04-19

Absolute and differential pressure sensors and related methods

#97
20180094997
2018-04-05

Temperature-compensating absolute pressure sensor

#98
20180087987
2018-03-29

Process transmitter isolation unit compensation

#99
20180058963
2018-03-01

Differential pressure sensor incorporating common mode error compensation

#100
20180044166
2018-02-15

MEMS sensor, especially pressure sensor, for metrological registering of a measured variable

#101
20180031435
2018-02-01

Differential Pressure Transmitter With Intrinsic Verification

#102
20180031434
2018-02-01

Pressure difference sensor for providing a pressure measurement signal

#103
20180010976
2018-01-11

Pressure sensor

#104
20180010975
2018-01-11

Pressure sensor

#105
20180010974
2018-01-11

PRESSURE SENSOR SYSTEM

#106
20170363497
2017-12-21

Differential pressure transducer

#107
20170363496
2017-12-21

Sensor having thermal gradients

#108
20170343441
2017-11-30

Air pressure sensing system

#109
20170343438
2017-11-30

Differential pressure sensor full overpressure protection device

#110
20170328747
2017-11-16

Sensor assembly

#111
20170315008
2017-11-02

Capacitive pressure sensor and method for its production

#112
20170299454
2017-10-19

Pressure sensor

#113
20170284884
2017-10-05

Differential pressure sensor

#114
20170234748
2017-08-17

Method for determining a pressure measurement signal, and a pressure measurement arrangement for same

#115
20170225950
2017-08-10

Embedded structures for high glass strength and robust packaging

#116
20170191894
2017-07-06

Motion detection using pressure sensing

#117
20170176277
2017-06-22

Pressure sensor chip

#118
20170176276
2017-06-22

Pressure sensor chip

#119
20170167936
2017-06-15

Differential pressure sensor

#120
20170160155
2017-06-08

Compensated pressure sensors

#121
20170146418
2017-05-25

Differential pressure measuring cell

#122
20170146416
2017-05-25

Capacitive pressure difference sensor and method for its manufacture

#123
20170138808
2017-05-18

Pressure difference sensor with protection against static overloads

#124
20170122827
2017-05-04

Differential pressure transducer with inspectable welds

#125
20170082515
2017-03-23

Differential pressure transducer assembly with overload protection

#126
20170082514
2017-03-23

Optical pressure sensor with reduced mechanical stresses

#127
20170074739
2017-03-16

Sensor having thermal gradients

#128
20170038270
2017-02-09

Pressure sensor having a ceramic platform

#129
20170030788
2017-02-02

MEMS PRESSURE SENSOR

#130
20170016787
2017-01-19

MEMS capacitive pressure sensor

#131
20170003185
2017-01-05

Detector utilizing an adjustment screw and a bellows

#132
20160370244
2016-12-22

Pressure sensor chip including first and second annular shape grooves in a non-bonding region of a holding member for a sensor diaphragm

#133
20160299023
2016-10-13

Pressure transmitter device

#134
20160244322
2016-08-25

Embedded structures for high glass strength and robust packaging

#135
20160231193
2016-08-11

Pressure sensor

#136
20160223420
2016-08-04

Differential pressure sensing device with overload protection

#137
20160223418
2016-08-04

Method of and apparatus for measuring vacuum pressure

#138
20160209286
2016-07-21

PRESSURE SENSOR MODULE AND METHOD FOR MANUFACTURING THE SAME

#139
20160200567
2016-07-14

Sensor structure for sensing pressure waves and ambient pressure

#140
20160187218
2016-06-30

Physical quantity measuring device

#141
20160169758
2016-06-16

Stress isolated differential pressure sensor

#142
20160153855
2016-06-02

Slew rate detection circuit

#143
20160123831
2016-05-05

Differential pressure transmitter with intrinsic verification

#144
20160109315
2016-04-21

Compensated pressure sensors

#145
20160084722
2016-03-24

Differential pressure sensor assembly

#146
20160076958
2016-03-17

Differential pressure sensor

#147
20160069764
2016-03-10

Fluid pressure sensor

#148
20160041054
2016-02-11

Mechanical stabilizing and electrical as well as hydraulic adapting of a silicon chip by ceramics

#149
20160003698
2016-01-07

Motion detection using pressure sensing

#150
20150377729
2015-12-31

Pressure detecting device

#151
20150369683
2015-12-24

Hydraulic measuring mechanism with coplanar pressure inputs and pressure difference sensor having such a measuring mechanism

#152
20150346044
2015-12-03

Method and device for measuring a vacuum pressure using a measuring cell arrangement

#153
20150292904
2015-10-15

Corrosion resistant pressure transducer

#154
20150276526
2015-10-01

Pressure sensor with overpressure protection

#155
20150268115
2015-09-24

Microelectromechanical and/or nanoelectromechanical differential pressure measurement sensor

#156
20150260633
2015-09-17

Corrosion rate measurement

#157
20150260599
2015-09-17

Gage pressure transducer and method for making the same

#158
20150260598
2015-09-17

Pressure difference sensor and method for its manufacture

#159
20150251899
2015-09-10

Sensor structure for sensing pressure waves and ambient pressure

#160
20150247776
2015-09-03

Package for a differential pressure sensing die

#161
20150247774
2015-09-03

Differential pressure sensor

#162
20150247773
2015-09-03

Differential pressure sensing die

#163
20150241291
2015-08-27

Pressure sensor made from nanogauges coupled to a resonator

#164
20150211948
2015-07-30

Matching back pressures on differential oil-filled diaphragms

#165
20150204749
2015-07-23

Sensor having thermal gradients

#166
20150204747
2015-07-23

Differential pressure sensor with dual output using a double-sided capacitive sensing element

#167
20150192485
2015-07-09

Slew rate detection circuit

#168
20140338459
2014-11-20

Differential pressure sensor with a capacitive read out system

#169
20140331775
2014-11-13

Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures

#170
20140260690
2014-09-18

Capacitive pressure sensor with reduced parasitic capacitance

#171
20140260645
2014-09-18

Differential Sensor Assembly With Both Pressures Applied From One Side

#172
20140251019
2014-09-11

Coplanar process fluid pressure sensor module

#173
20140227818
2014-08-14

Semiconductor structure with lamella defined by singulation trench

#174
20140196545
2014-07-17

Pressure measuring instrument and substrate processing apparatus provided with the pressure measuring instrument

#175
20140157905
2014-06-12

Pressure sensor chip

#176
20140144243
2014-05-29

Differential pressure sensor

#177
20140109681
2014-04-24

Differential pressure transmitter with intrinsic verification

#178
20140096613
2014-04-10

Pressure transmitter and transmission method

#179
20140053652
2014-02-27

Gage pressure transducer and method for making the same

#180
20140021563
2014-01-23

Pressure resistently encapsulated, pressure difference sensor

#181
20140013853
2014-01-16

Pressure sensor having a compressible element

#182
20130333440
2013-12-19

Differential pressure transmitter with pressure sensor

#183
20130283912
2013-10-31

Sensor device and related fabrication methods

#184
20130239694
2013-09-19

Pressure sensor chip

#185
20130139565
2013-06-06

Ferrofluid modified fill fluid for pressure transmitters

#186
20130104663
2013-05-02

Coplanar process fluid pressure sensor module

#187
20130055821
2013-03-07

Packaged sensor with multiple sensors elements

#188
20130000414
2013-01-03

Mounting apparatus for a pressure gage

#189
20130000410
2013-01-03

Pressure gage with removable housing and helix

#190
20120325008
2012-12-27

Pressure gage with flexible beam and clamping member

#191
20120325007
2012-12-27

Pressure gage with removable seal member and diaphragm

#192
20120324998
2012-12-27

Sensor unit

#193
20120304777
2012-12-06

Dual port pressure sensor

#194
20120304452
2012-12-06

Method of making a dual port pressure sensor

#195
20120265455
2012-10-18

Overload safe pressure sensor, especially pressure difference sensor

#196
20120234098
2012-09-20

Gage pressure transducer and method for making the same

#197
20120210798
2012-08-23

Pressure transducer arrangement

#198
20120197553
2012-08-02

Pressure transmitter for measuring the pressure of a process fluid and related method

#199
20120152026
2012-06-21

Gage pressure transducer and method for making the same

#200
20120090399
2012-04-19

Differential pressure gauge

#201
20110317245
2011-12-29

System and method for false-color sensing and display

#202
20110296926
2011-12-08

Differential pressure sensor with line pressure measurement

#203
20110259109
2011-10-27

Sensor system, method for operating a sensor system, and method for manufacturing a sensor system

#204
20110239773
2011-10-06

Resonant frequency based pressure sensor

#205
20110239772
2011-10-06

Differential temperature and acceleration compensated pressure transducer

#206
20110192236
2011-08-11

Micromechanical sensor element for capacitive differential pressure detection

#207
20110185816
2011-08-04

Micromechanical sensor element for capacitive pressure detection

#208
20110138249
2011-06-09

Apparatus and Method for Detecting an Error Within a Plurality of Coded Binary Words Coded by an Error Correction Code

#209
20110068420
2011-03-24

Semiconductor structure with lamella defined by singulation trench

#210
20110061467
2011-03-17

Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures

#211
20100326199
2010-12-30

Low differential pressure transducer

#212
20100269595
2010-10-28

Integrated differential pressure sensor

#213
20100224003
2010-09-09

Pressure sensor

#214
20100224002
2010-09-09

Pressure gage with magnetically coupled diaphragm

#215
20100218612
2010-09-02

Dual pressure sensor

#216
20100199778
2010-08-12

Capacitive pressure sensor

#217
20100170346
2010-07-08

Sensor element for capacitive differential-pressure sensing

#218
20100139409
2010-06-10

Pressure sensor having a cap above a first diaphragm connected to a hollow space below a second diaphragm

#219
20100139408
2010-06-10

Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures

#220
20100133631
2010-06-03

DIFFERENTIAL-PRESSURE SENSOR SYSTEM AND CORRESPONDING PRODUCTION METHOD

#221
20100122583
2010-05-20

Wet/wet differential pressure sensor based on microelectronic packaging process

#222
20100083766
2010-04-08

Pressure sensor

#223
20100083764
2010-04-08

Redundant self compensating leadless pressure sensor

#224
20100058876
2010-03-11

Semiconductor device including a pressure sensor

#225
20100043563
2010-02-25

Differential pressure sensor

#226
20100018319
2010-01-28

Apparatus and method for eliminating varying pressure fluctuations in a pressure transducer

#227
20090314094
2009-12-24

Compact absolute and gage pressure transducer having a mounting apparatus for accurately positioning and aligning a leadless semiconductor chip on an associated header

#228
20090308168
2009-12-17

Diaphragm for pressure sensor and pressure sensor

#229
20090205434
2009-08-20

Low differential pressure transducer

#230
20090205433
2009-08-20

Low differential pressure transducer

#231
20090199647
2009-08-13

Differential fluid pressure measurement apparatus

#232
20090165424
2009-07-02

Self-crimping fill tube assembly

#233
20090151464
2009-06-18

Differential pressure sense die based on silicon piezoresistive technology

#234
20090120195
2009-05-14

Pressure sensor

#235
20090114028
2009-05-07

Pressure transducer apparatus adapted to measure engine pressure parameters

#236
20090107246
2009-04-30

Pressure transducer and method for monitoring the state of a pressure transducer and pressure sensor

#237
20080282806
2008-11-20

Electrostatic pressure sensor with porous dielectric diaphragm

#238
20080264174
2008-10-30

Pressure sensor with sensing chip protected by protective material

#239
20080257054
2008-10-23

Differential pressure measuring transducer unit

#240
20080223140
2008-09-18

Industrial pressure sensor having enhanced dielectric fill fluid

#241
20080186478
2008-08-07

Pressure transmitter for detection of a variable relative to a process fluid

#242
20080047127
2008-02-28

Method for producing a measuring transducer

#243
20080034878
2008-02-14

Pressure transducer adapted to measure engine pressure parameters

#244
20070289386
2007-12-20

Pressure differential sensor comprising an excess-load membrane

#245
20070227252
2007-10-04

Differential pressure transducer configurations including displacement sensor

#246
20070151349
2007-07-05

Pressure sensor with deflectable diaphragm

#247
20070006660
2007-01-11

Sensor for measuring low dynamic pressures in the presence of high static pressures

#248
20060278007
2006-12-14

Line pressure measurement using differential pressure sensor

#249
20060278005
2006-12-14

Pressure sensor using compressible sensor body

#250
20060260408
2006-11-23

Integrated differential pressure sensor and manufacturing process thereof

#251
20060207333
2006-09-21

Pressure sensor

#252
20060169048
2006-08-03

Differential pressure sensor

#253
20060162460
2006-07-27

Differential pressure measuring apparatus

#254
20060162458
2006-07-27

Process transmitter isolation assembly

#255
20060162445
2006-07-27

Differential pressure sensor comprising a symmetric error in the separating bodies

#256
20060128199
2006-06-15

Instrument loop adapter

#257
20060053893
2006-03-16

Pressure measuring unit

#258
20060000289
2006-01-05

Pressure sensor for detecting small pressure differences and low pressures

#259
20050262946
2005-12-01

Method for producing a pressure sensor for detecting small pressure differences and low pressures

#260
20050241399
2005-11-03

Differential pressure transducer with Fabry-Perot fiber optic displacement sensor

#261
20050235754
2005-10-27

Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures

#262
20050235753
2005-10-27

Pressure transducer for measuring low dynamic pressures in the presence of high static pressures

#263
20050229710
2005-10-20

Capacitive sensor

#264
20050109113
2005-05-26

Pressure sensor

#265
20050097963
2005-05-12

Differential pressure sensor impulse line monitor

#266
20050072243
2005-04-07

Process seal for process control transmitter

#267
20050011270
2005-01-20

Differential pressure sensor

#268
15066250
2018-12-25

Differential pressure measurement system with solenoid coupled reference reservoir