ClassID:

167038

G01M3/3227 - CPC Classification

Classification description:

Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators for radiators

Recent Application in this class:
#1
20250035505
2025-01-30

Pressure Testing and Refilling Devices, Systems, and Methods

#2
20240344914
2024-10-17

DEVICE AND METHOD FOR LEAK TESTING AND/OR LEAKAGE MEASUREMENT OF A COMPONENT

#3
20220128317
2022-04-28

Heat exchanger and leak detection system

#4
20200269076
2020-08-27

Wearable mask fit monitor

#5
20200159004
2020-05-21

Endoscope leak test connector, endoscope leak tester and endoscope reprocessor

#6
20190383564
2019-12-19

Heat exchanger and leak detection system

#7
20190051443
2019-02-14

Transformer systems and methods for operating a transformer system

#8
20180245801
2018-08-30

Evaluation of heating liquid pressure drops in a hydronic heating system

#9
20170261398
2017-09-14

Leak testing method and apparatus for use with heat exchangers

#10
20160270259
2016-09-15

Minimizing leakage in liquid cooled electronic equipment

#11
20160216018
2016-07-28

Refrigeration cycle apparatus, method of manufacturing the same, and method of installing the same

#12
20160153862
2016-06-02

Apparatus and method of sensing liquid leakage for lithography apparatus

#13
20160010537
2016-01-14

Systems and methods for diagnosing an engine

#14
20130338899
2013-12-19

Systems and methods for diagnosing an engine

#15
20130327128
2013-12-12

Leakage inspection method of heat exchanger

#16
20130197745
2013-08-01

Coolant loss detection and remediation in a liquid cooled battery pack

#17
20130174649
2013-07-11

FLUID LEAK DETECTION SYSTEM

#18
20120324985
2012-12-27

FLUID LEAK DETECTION SYSTEM

#19
20120318368
2012-12-20

Leak detection logic for closed-volume system

#20
20120318366
2012-12-20

Leak isolation logic for closed-volume system

#21
20120291457
2012-11-22

Pressure Decay Leak Check Method and Apparatus

#22
20120111095
2012-05-10

Heat Exchanger Integrity Testing

#23
20110240132
2011-10-06

Testing system and method for AC system in a vehicle

#24
20110112814
2011-05-12

REFRIGERANT LEAK DETECTION SYSTEM AND METHOD

#25
20110017437
2011-01-27

FURNACE PANEL LEAK DETECTION SYSTEM

#26
20110000284
2011-01-06

Heat exchanger leak testing method and apparatus

#27
20100251751
2010-10-07

Method for Monitoring the Gas Tightness of a Cooling System for a Refrigerated Vehicle and for Operating the Same and a Cooling System for a Refrigerated Vehicle and a Refrigerated Vehicle

#28
20090301174
2009-12-10

Cooling system pressure tester

#29
20090229295
2009-09-17

LEAKAGE TEST IN AN AIR CONDITIONER

#30
20090158818
2009-06-25

Method of discovering leakage in a heat exchanger

#31
20090151890
2009-06-18

Method and device for assessing the risk of fluid leakage in a heat exchanger with sensor

#32
20090148800
2009-06-11

Furnace panel leak detection system

#33
20090145200
2009-06-11

Heat exchanger leak testing method and apparatus

#34
20080216491
2008-09-11

PRESSURE GAUGES AND METHODS OF USE

#35
20080073054
2008-03-27

Method and device for assessing the risk of fluid leakage in a heat exchanger with sensor

#36
20070089434
2007-04-26

Monitoring refrigerant in a refrigeration system

#37
20060226347
2006-10-12

System and method for detecting leaks from a member

#38
20060090545
2006-05-04

Advanced HIT skid data collection

#39
20050263109
2005-12-01

SYSTEMS AND METHODS FOR MONITORING THE STATUS OF PRESSURIZED SYSTEMS

#40
20050200130
2005-09-15

Radiator inlet adapter

#41
20050092074
2005-05-05

Method and apparatus for indicating a potential fluid filter problem