ClassID:

166920

G01L23/26 - 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 Details or accessories

Sub-classes:
Recent Application in this class:
#1
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2025-07-03

DEVICE AND METHOD FOR CAVITATION MONITORING OF HYDRAULIC SYSTEM

#2
20250207992
2025-06-26

PIPELINE FLUID PRESSURE FLUCTUATION SENSING DEVICE

#3
20250189396
2025-06-12

METHODS AND APPARATUS FOR VAPOR PRESSURE MONITORING

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20230280228
2023-09-07

DETECTION SYSTEM AND TRANSIENT PRESSURE RESPONSE DETECTION METHOD FOR DETECTING RESIDUAL AIR BUBBLES IN LIQUID-COOLING SYSTEM AND FLOW RATE CONTROL DEVICE FOR USING THE SAME

#5
20230168141
2023-06-01

METHOD FOR MEASURING STEAM PRESSURE

#6
20220326106
2022-10-13

Method and device for determining an amplitude of a pump-induced fluid pressure fluctuation of a fluid

#7
20220042872
2022-02-10

Transient pressure event detection system and method

#8
20220018727
2022-01-20

PRESSURE SENSOR

#9
20210148778
2021-05-20

Sensor apparatus having a crimped housing and a method of assembling the same

#10
20210088401
2021-03-25

LOW-PRESSURE SENSOR DEVICE AND USE OF AN INLET CONNECTOR PIECE AS A FLUID INLET FOR A LOW-PRESSURE SENSOR DEVICE

#11
20200292402
2020-09-17

Sensor connector

#12
20200033218
2020-01-30

PRESSURE SENSOR

#13
20190323914
2019-10-24

Knock sensor with lower collar bored with attachment holes

#14
20190250056
2019-08-15

Pressure sensor

#15
20180347617
2018-12-06

Washer fixation method and system

#16
20170233968
2017-08-17

Gravity type pore pressure dynamic penetration device for shallow layer seabed soil

#17
20170160159
2017-06-08

Method and system for a sample filter visual contamination check

#18
20170030793
2017-02-02

Pressure sensor and process of manufacturing same

#19
20170030790
2017-02-02

Pressure sensor

#20
20170030344
2017-02-02

End of stroke detection for plunger velocity correction

#21
20170019639
2017-01-19

Integrated monitoring CCTV, abnormality detection apparatus, and method for operating the apparatus

#22
20170016872
2017-01-19

Air-fuel ratio detection device for internal combustion engine

#23
20160153443
2016-06-02

SENSOR ASSEMBLY FOR MEASURING DYNAMIC PRESSURE IN RECIPROCATING PUMPS

#24
20160041057
2016-02-11

Knocking sensor

#25
20150380859
2015-12-31

Connector device

#26
20150268121
2015-09-24

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

#27
20150226641
2015-08-13

Combustion pressure sensor

#28
20150128688
2015-05-14

Method for detecting a deviation of a compression pressure of one cylinder from that of another cylinder of an internal combustion engine

#29
20150059679
2015-03-05

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

#30
20140346313
2014-11-27

Sensor mounting attachment

#31
20130167659
2013-07-04

Drive torque estimation device for compressor and condenser used for the device

#32
20120285237
2012-11-15

Instrumentation rake assembly

#33
20120096946
2012-04-26

Sensor packaging for turbine engine

#34
20100083741
2010-04-08

Combustion chamber pressure sensor