ClassID:

166901

G01L23/08 - 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

Sub-classes:
Recent Application in this class:
#1
20260098774
2026-04-09

IDENTIFYING AND CLASSIFYING DISTRIBUTION NETWORK TRANSIENT PRESSURE EVENTS

#2
20250203306
2025-06-19

PRESSURE SENSOR FOR SPEAKER DETECTION

#3
20250155309
2025-05-15

Device and Method for Detecting Changes to a Value of a Physical Variable

#4
20250137861
2025-05-01

METHOD FOR ASCERTAINING AN ACTUATION OF A DOOR OR A WINDOW IN ONE OR MORE ROOMS

#5
20240328848
2024-10-03

DIRECTIONAL BLAST GAUGE SYSTEM AND METHOD

#6
20230358629
2023-11-09

SYSTEM FOR DETECTING OPENING OF A DOOR IN A PRESSURIZED HOSPITAL ROOM BY ANALYZING DISTURBANCE IN THE AIR PRESSURE OF THE ROOM

#7
20230120620
2023-04-20

Method For Evaluating A Sensor-Detectable Transient Pressure Difference On A Gas Boiler And Associated Gas Boiler

#8
20230109861
2023-04-13

Method for counting the number of puffs and aerosol generating device using the same

#9
20230084695
2023-03-16

Stress estimation method for machine structure and monitoring method for machine structure

#10
20220361600
2022-11-17

Wearable protection device

#11
20220348022
2022-11-03

Logic circuitry

#12
20220032746
2022-02-03

Systems and methods for mitigating wind throb in vehicles

#13
20220009238
2022-01-13

Sealed interconnects

#14
20210354472
2021-11-18

Logic circuitry

#15
20210252870
2021-08-19

Print liquid supply units

#16
20210053353
2021-02-25

Logic circuitry

#17
20200398579
2020-12-24

LOGIC CIRCUITRY

#18
20190285178
2019-09-19

Pressure sensor unit with circular gasket

#19
20180202886
2018-07-19

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

#20
20180106695
2018-04-19

Sensor interface for hostile environments

#21
20170363493
2017-12-21

Dynamic pressure sensor with improved operation

#22
20170212001
2017-07-27

Management apparatus for measurement equipment

#23
20170212000
2017-07-27

Method and device for processing a signal supplied by a sensor for measuring the pressure existing in a cylinder

#24
20170082054
2017-03-23

METHOD AND DEVICE FOR DIAGNOSING PERFORMANCE OF AN INTERNAL COMBUSTION ENGINE

#25
20160341618
2016-11-24

Method for processing a measurement signal from a pressure measurement cell, and a measurement cell arrangement

#26
20160217982
2016-07-28

METHOD AND DEVICE FOR DETECTING A PLASMA IGNITION

#27
20160123841
2016-05-05

Method for processing a voltage signal relating to the pressure prevailing in a combustion chamber of a cylinder of an internal combustion engine

#28
20160033365
2016-02-04

Support for an electronic module of a pressure measurement sensor

#29
20150268121
2015-09-24

Probe for measuring pressure oscillations in the combustor of a gas turbine

#30
20150226641
2015-08-13

Combustion pressure sensor

#31
20150226626
2015-08-13

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

#32
20150114095
2015-04-30

Combustion pressure sensor and method of manufacturing the same

#33
20150059679
2015-03-05

Internal combustion engine mounted with combustion pressure sensor incorporated glow plug and sensor nonincorporated glow plug

#34
20150006058
2015-01-01

System and method for conditioning noisy signals

#35
20130333456
2013-12-19

Combustion pressure sensor

#36
20110271748
2011-11-10

Combustion pressure sensor

#37
20110264392
2011-10-27

METHOD FOR CORRECTING THE DRIFT OF A PRESSURE SENSOR SIGNAL

#38
20110239749
2011-10-06

CYLINDER HEAD COMPRESSION SENSOR GASKET ASSEMBLY, METHOD OF CONSTRUCTION THEREOF AND METHOD OF SERVICING A PRESSURE SENSOR ASSEMBLY IN A CYLINDER HEAD COMPRESSION SENSOR GASKET ASSEMBLY

#39
20110185817
2011-08-04

Sensor membrane

#40
20100083741
2010-04-08

Combustion chamber pressure sensor

#41
20100083740
2010-04-08

Compression sensor gasket and method of construction

#42
20090153337
2009-06-18

Device for controlling an internal combustion engine

#43
20080216581
2008-09-11

Gas turbine pressure sensing systems and methods of assembly

#44
20080173070
2008-07-24

Method for correcting a measured cylinder pressure of an internal combustion engine

#45
20070277601
2007-12-06

Method and apparatus for indirectly ascertaining the cylinder pressure in piston engines

#46
20070074576
2007-04-05

Methods and apparatus for sensing pressure

#47
20060096362
2006-05-11

Cylinder head gasket with integrated sensor

#48
20060019547
2006-01-26

Space-optimized sensor connector

#49
20050223776
2005-10-13

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

#50
20050050956
2005-03-10

Contact-based transducers for characterizing unsteady pressures in pipes

#51
16505090
2020-12-29

Logic circuitry