ClassID:

166903

G01L23/10 - CPC Classification

Classification description:

Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezo-electric type

Recent Application in this class:
#1
20250244189
2025-07-31

SEMICONDUCTOR PACKAGE

#2
20240418593
2024-12-19

EMBEDDED PRESSURE SENSING SYSTEM FOR INTERNAL BLAST PRESSURE MEASUREMENTS

#3
20220359812
2022-11-10

PIEZOELECTRIC MATERIAL, PIEZOELECTRIC MEMBER, PIEZOELECTRIC ELEMENT, AND PRESSURE SENSOR

#4
20220018727
2022-01-20

PRESSURE SENSOR

#5
20210325273
2021-10-21

PRESSURE SENSOR

#6
20210148774
2021-05-20

Pressure sensor having a heat receiver including a first portion and a second portion

#7
20200292402
2020-09-17

Sensor connector

#8
20200232862
2020-07-23

Method for producing a sensor housing for a force or pressure sensor and sensor housing, force or pressure sensor, and use of an additive manufacturing device

#9
20200200636
2020-06-25

Diaphragm suppressing pressure sensor

#10
20200158588
2020-05-21

Pressure detection signal processing device, engine control system, and non-transitory computer readable medium storing a program

#11
20200033218
2020-01-30

PRESSURE SENSOR

#12
20190301959
2019-10-03

Rectangular snap fit pressure sensor unit

#13
20190250056
2019-08-15

Pressure sensor

#14
20190195716
2019-06-27

PRESSURE SENSOR

#15
20190086281
2019-03-21

Piezoelectric sensor

#16
20190078958
2019-03-14

Detecting device and detecting system

#17
20190056282
2019-02-21

Pressure detection device and pressure detection system having first and second housings electrically insulated from each other

#18
20180324507
2018-11-08

Sensor system for measuring acceleration and pressure

#19
20180321419
2018-11-08

Calibration of combined acceleration and pressure sensors

#20
20180230913
2018-08-16

Pressure sensor assembly for a turbine engine

#21
20180202886
2018-07-19

Pressure sensor that measures the pressure within a combustion chamber of an internal combustion engine

#22
20180143094
2018-05-24

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

#23
20180128700
2018-05-10

Sensor for measuring the pressure prevailing in a motor vehicle cylinder head

#24
20180113045
2018-04-26

Piezoelectric pressure sensor with accommodation for thermal deformation

#25
20180087993
2018-03-29

Pressure detection device, internal combustion engine equipped with the same, and method for manufacturing the same

#26
20170350780
2017-12-07

Pressure transducer and method for fabricating the same

#27
20170315013
2017-11-02

Strain sensor

#28
20170314478
2017-11-02

Method and system for transmitting a sensor signal

#29
20170160162
2017-06-08

Pressure change measuring apparatus and pressure change measuring method

#30
20170153161
2017-06-01

Pressure detection device

#31
20170146421
2017-05-25

Pressure detection device

#32
20170131170
2017-05-11

Pressure detection device

#33
20170130650
2017-05-11

Welded combustion pressure sensor and method of manufacturing same

#34
20170082516
2017-03-23

INTERNAL COMBUSTION ENGINE AND METHOD FOR DETECTING OPERATING CONDITIONS OF AN INTERNAL COMBUSTION ENGINE

#35
20170082433
2017-03-23

Wearable ambient pressure gauge

#36
20170067793
2017-03-09

Glow-plug adaptor for pressure measurements

#37
20170038273
2017-02-09

Device for Detecting a Parameter of a Gas, Method for Operating Such a Device, and Measuring System for Determining a Parameter of a Gas

#38
20170030793
2017-02-02

Pressure sensor and process of manufacturing same

#39
20170030792
2017-02-02

Piezoelectric pressure sensor

#40
20170030791
2017-02-02

Piezoelectric pressure sensor and process of manufacturing same

#41
20170030790
2017-02-02

Pressure sensor

#42
20170030787
2017-02-02

Piezoelectric pressure sensor

#43
20170030786
2017-02-02

Pressure sensor

#44
20160305840
2016-10-20

Combustion pressure sensor with built-in charge amplifier

#45
20160245721
2016-08-25

Pressure sensor with a membrane applied on a pressure chamber side and use thereof

#46
20160238485
2016-08-18

Pressure sensor

#47
20160186712
2016-06-30

Sensor module for a pressure-measuring sheathed-element glow plug

#48
20160097693
2016-04-07

Pressure sensor with correction of offset drift in cyclic signal

#49
20160033365
2016-02-04

Support for an electronic module of a pressure measurement sensor

#50
20150336527
2015-11-26

Fastening and sensing apparatus

#51
20150323406
2015-11-12

Measurement amplifying circuit for piezoelectric sensor positioned in an internal combustion engine

#52
20150292458
2015-10-15

Fuel injection apparatus for internal combustion engine

#53
20150226626
2015-08-13

Method for processing a signal of a pressure measuring device inside an internal combustion engine

#54
20150128687
2015-05-14

Combustion pressure detection device, and internal combustion engine equipped with combustion pressure detection device

#55
20150114095
2015-04-30

Combustion pressure sensor and method of manufacturing the same

#56
20150034039
2015-02-05

Internal combustion engine fitted with combustion pressure detection device

#57
20150027213
2015-01-29

Pressure-measuring device with additional diaphragm

#58
20140327340
2014-11-06

Piezoelectric material, piezoelectric member, piezoelectric element, and pressure sensor

#59
20140201968
2014-07-24

Method for connecting a diaphragm to a sensor housing

#60
20140174164
2014-06-26

Device for detecting a pressure, in particular a combustion chamber pressure of an internal combustion engine

#61
20140109661
2014-04-24

Pressure gauge

#62
20140102185
2014-04-17

Device for sensing a pressure, particularly a pressure in a combustion chamber of an internal combustion engine

#63
20140083388
2014-03-27

Cylinder internal-pressure sensor for engine

#64
20140048041
2014-02-20

In-cylinder pressure detecting device of direct injection type internal combustion engine

#65
20140028153
2014-01-30

Vibration actuator

#66
20130275070
2013-10-17

Electronic control system

#67
20130263808
2013-10-10

Glow plug with a sleeve to receive the heating rod, equipped with a distal turned-up part

#68
20130230414
2013-09-05

Air pump for measuring an air pressure

#69
20130042831
2013-02-21

Glow plug fitted with combustion pressure detection sensor

#70
20130036803
2013-02-14

Cylinder inner pressure detector for internal combustion engine

#71
20130015393
2013-01-17

Highly insulative and highly stable piezoelectric single LTGA crystal, method for producing the same, piezoelectric element using said single LTGA crystal, and combustion pressure sensor

#72
20120266683
2012-10-25

Pressure sensor for low-viscosity media

#73
20120060595
2012-03-15

Method and circuit for processing a signal supplied by a piezoelectric sensor, and pressure-measuring device for piston engine

#74
20120011924
2012-01-19

Device incorporating a pressure sensor for measuring pressures within an internal combustion engine

#75
20110315115
2011-12-29

Method for operating an internal combustion engine

#76
20110214494
2011-09-08

Device including a pressure sensor for measuring pressures inside the combustion chamber of an engine

#77
20110192358
2011-08-11

DEVICE INCLUDING A PRESSURE SENSOR FOR MEASURING PRESSURES IN AN INTERNAL COMBUSTION ENGINE, AND BODY FOR SUCH A DEVICE

#78
20110185817
2011-08-04

Sensor membrane

#79
20110146392
2011-06-23

Pressure measuring glow plug

#80
20110088460
2011-04-21

Pressure sensor for measurements in a chamber of an internal combustion engine

#81
20110079085
2011-04-07

INTEGRATED FLUID PRESSURE SENSOR SYSTEM

#82
20110037372
2011-02-17

Spark ignition device with in-built combustion sensor

#83
20110005308
2011-01-13

Pressure measuring device

#84
20100300186
2010-12-02

Pressure-Measuring Device

#85
20100294028
2010-11-25

Device for detecting a combustion chamber pressure of an internal combustion engine

#86
20100263451
2010-10-21

PIEZOELECTRIC PRESSURE SENSOR

#87
20100252000
2010-10-07

Fuel injection valve

#88
20100251999
2010-10-07

Fuel injection valve

#89
20100251808
2010-10-07

Part for measuring forces or pressures, and sensor comprising such a part

#90
20100217541
2010-08-26

Integrated apparatus for measuring static pressure

#91
20100147822
2010-06-17

Glow plug with pressure sensing canister

#92
20100096480
2010-04-22

Fuel injector with fuel pressure sensor

#93
20100050991
2010-03-04

Fuel injector

#94
20100050775
2010-03-04

Pressure sensor for measurements in hot, dynamic processes

#95
20100037698
2010-02-18

Pressure-measuring device

#96
20100032423
2010-02-11

Sheathed Element Glow Plug Having an Integrated Pressure Measuring Element

#97
20090301178
2009-12-10

Measuring device

#98
20090248276
2009-10-01

Fuel injector with built-in fuel pressure sensor

#99
20090165739
2009-07-02

Sheathed-element glow plug

#100
20090072671
2009-03-19

Measurement system for measuring cylinder pressure in an internal combustion engine

#101
20090038386
2009-02-12

Sensor structure in particular for a harsh environment in a motor vehicle

#102
20090026889
2009-01-29

Component for piezoelectric force or pressure sensors, held together by an electrically insulating film

#103
20090025468
2009-01-29

Piezoelectric Combustion Chamber Pressure Sensor Having a Pressure Transmission Pin

#104
20080236263
2008-10-02

Method and device for analyzing a sensor element

#105
20080223139
2008-09-18

Combustion pressure sensor

#106
20080134795
2008-06-12

Sensors with high temperature piezoelectric ceramics

#107
20080134772
2008-06-12

Internal combustion engine including a sensor for detecting a parameter partially characterizing a course of combustion and strategically positioned between two adjacent combustion chambers

#108
20080116766
2008-05-22

Piezoelectric pressure sensor

#109
20080028841
2008-02-07

Device for detecting the combustion-chamber pressure in an internal combustion engine

#110
20080011089
2008-01-17

Piezoelectric pressure sensor containing pre-stressed measuring elements

#111
20070277618
2007-12-06

Piezoelectric sensor

#112
20070277617
2007-12-06

Pressure sensor

#113
20070209624
2007-09-13

Sheathed-element glow plug having an elastically mounted glow element

#114
20070176516
2007-08-02

Piezoelectric sensor

#115
20060218997
2006-10-05

Combustion pressure sensor and glow plug including the same

#116
20060123887
2006-06-15

Apparatus for pressure detection in an engine combustion chamber

#117
20060090543
2006-05-04

Knock sensor

#118
20060086180
2006-04-27

Method and device for analyzing a sensor element

#119
20060027013
2006-02-09

Combustion pressure detecting apparatus

#120
20050229678
2005-10-20

Knock sensor

#121
20050223776
2005-10-13

Device for pressure measurement, particularly in a combustion chamber of an internal combustion engine

#122
20050211214
2005-09-29

Pressure sensor, method of producing the sensor, and in-cylinder pressure detection structure of internal combustion engine

#123
20050062514
2005-03-24

Charge signal converting amplifier

#124
20050061296
2005-03-24

Combustion pressure data collection system for multi-cylinder engine

#125
20050006854
2005-01-13

Cylinder head gasket