G01L7/18 - CPC Classification Index

ClassID:

166724 ⎘

G01L7/18 - CPC Classification

Classification description:

Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements using liquid as the pressure-sensitive medium, e.g. liquid-column gauges

Sub-classes:

G01L7/182 » {constructional details, e.g. mounting} 21
G01L7/185 » {with mechanical transmitting or indicating means} 3
G01L7/187 » {with optical transmitting or indicating means} 17
G01L7/20 » involving a closed chamber above the liquid level, the chamber being exhausted or housing low-pressure gas; liquid barometers 3
G01L7/22 » involving floats, e.g. floating bells 2
G01L7/24 » involving balances in the form of rings partly filled with liquid 0

Recent Application in this class:

20230280229

2023-09-07

Method and system for diagnosing fuel tank pressure sensor

20230094491

2023-03-30

Apparatus for measuring the pressure and flow rate of a high temperature corrosive liquid

20210338955

2021-11-04

CATHETER INFLATABLE CUFF PRESSURE STABILIZER

20210088399

2021-03-25

Ludion pressure measurement system

20200284674

2020-09-10

Differential pressure sensor with magnetic dial

20200122795

2020-04-23

Plant chassis leveling apparatus, systems and methods

20190033152

2019-01-31

Abnormality determination device and abnormality determination method

20180203156

2018-07-19

Inventory Monitoring System with Visual Indicator and Associated Methods

20180057355

2018-03-01

Sensor fixing structure including valve body and pressure sensor

#10

20170059385

2017-03-02

Recreational vehicle wastewater tank measurement system and method

#11

20150342118

2015-12-03

Monitoring of operating modes for harvesters

#12

20150179037

2015-06-25

USING DATA FUSION TO ELECTRONICALLY DETECT LIQUID IN MOBILE DEVICES

#13

20150150491

2015-06-04

MOVEMENT ESTIMATION DEVICE, AND ACTIVITY TRACKER

#14

20150060057

2015-03-05

Determining minimum miscibility pressure of an oil compositon with a fluid

#15

20130291659

2013-11-07

Rapid test device

#16

20130086988

2013-04-11

Pressure sensor using gas/liquid interface

#17

20130052552

2013-02-28

Device forming a manometer intended for measuring biphasic fluid pressure, associated method of manufacture and fluidic network

#18

20060230837

2006-10-19

Apparatus and method for use in measuring fluid flow and pressures

#19

20060096367

2006-05-11

Apparatus for measuring gas exchange