ClassID:

152574

F16K39/022 - CPC Classification

Classification description:

Devices for relieving the pressure on the sealing faces for lift valves using balancing surfaces

Recent Application in this class:
#1
20250251058
2025-08-07

DEVICE FOR PREVENTING BREAKAGE OF DIAPHRAGM FOR NORMAL-OPEN SOLENOID VALVE

#2
20250198538
2025-06-19

VALVE FOR A REFRIGERATION APPLICATION

#3
20250155029
2025-05-15

VALVES AND TRIM ASSEMBLIES FOR VALVES

#4
20250122952
2025-04-17

BALANCE EXPLOSION-PROOF VALVE

#5
20250067364
2025-02-27

VALVE FOR A REFRIGERATION APPLICATION

#6
20240410495
2024-12-12

Electronic Expansion Valve

#7
20240255071
2024-08-01

FLOW CONTROL VALVE

#8
20240218933
2024-07-04

SEAL ASSEMBLIES AND RELATED VALVES AND METHODS

#9
20230400105
2023-12-14

Valve

#10
20230321892
2023-10-12

Valve unit

#11
20230204129
2023-06-29

Blow-off valve

#12
20230204109
2023-06-29

VALVE FOR CONTROLLING FLUID FLOW AND USE THEREOF, AND VALVE INSERT FOR A VALVE HOUSING FOR CONTROLLING FLUID FLOW

#13
20230167920
2023-06-01

VALVE FOR A SPRAY SYSTEM

#14
20230050871
2023-02-16

Fluid valves with an anti-stagnation trim guide

#15
20230027750
2023-01-26

VALVE FOR A SPRAY SYSTEM

#16
20220403939
2022-12-22

Shutoff seal assemblies and related valve assemblies and methods

#17
20220390033
2022-12-08

Valve for fluids, preferably for gases

#18
20220316619
2022-10-06

Fluid control valve

#19
20220252162
2022-08-11

Cartridge flow rate adjusting assembly with compensating chamber and hydraulic valve comprising the cartridge flow rate adjusting assembly

#20
20220228784
2022-07-21

Electronic expansion valve

#21
20220154848
2022-05-19

Piston valve core structure with rigid ring surface combined with flexible base surface and method thereof

#22
20220074517
2022-03-10

Balance valve, battery and power consumption apparatus

#23
20220042459
2022-02-10

Shut off valves and components thereof for ecology fuel return systems

#24
20210215266
2021-07-15

VALVE

#25
20210215261
2021-07-15

Valve assembly

#26
20210190398
2021-06-24

Electronic expansion valve

#27
20210140559
2021-05-13

Valve for fluids, preferably for gases

#28
20210095786
2021-04-01

Erosion-resistant valve trim

#29
20210001534
2021-01-07

Valve unit

#30
20200378503
2020-12-03

Shutoff seal for high temperature pressure balance valve and related methods

#31
20200347955
2020-11-05

VALVE

#32
20200300380
2020-09-24

Inflation electric valve with manual override

#33
20200278044
2020-09-03

Quick change valve trim assembly

#34
20200147538
2020-05-14

Valve, use of such valve, separator comprising such valve and method of operating a separator

#35
20190390531
2019-12-26

Superhard material enhanced choke cage

#36
20190353273
2019-11-21

Double action direction fluid flow valve

#37
20190353254
2019-11-21

Valve assembly

#38
20190285188
2019-09-19

Quick change valve trim assembly

#39
20190285004
2019-09-19

Fault-accommodating flow scheduling valve

#40
20190243394
2019-08-08

Balanced trim regulator

#41
20190234519
2019-08-01

Valve housing modular system and globe valve

#42
20190226596
2019-07-25

Regulating overtravel in bi-furcated plugs for use in valve assemblies

#43
20190195369
2019-06-27

Closed-loop control valve module

#44
20190128443
2019-05-02

Pressure-balanced pull-type manual actuation mechanism for a valve

#45
20190128439
2019-05-02

Pressure-balanced push-type manual actuation mechanism for a valve

#46
20190093786
2019-03-28

Diaphragm valve

#47
20190093781
2019-03-28

Regulating overtravel in bi-furcated plugs for use in valve assemblies

#48
20180355998
2018-12-13

Balanced regulating valve

#49
20180355996
2018-12-13

Double action direction fluid flow valve

#50
20180347715
2018-12-06

PRESSURE-BALANCING VALVE

#51
20180306346
2018-10-25

Pressure compensated switching solenoid valve

#52
20180274447
2018-09-27

Shut off valves and components thereof for ecology fuel return systems

#53
20180266568
2018-09-20

Valve with integral balancing passage

#54
20180172176
2018-06-21

Solenoid controlled valve assembly including a pressure balancing diaphragm

#55
20180045319
2018-02-15

Valve assembly with electronic control

#56
20170211720
2017-07-27

Balanced valve element and pressure regulating valve

#57
20170175917
2017-06-22

Valve

#58
20170138311
2017-05-18

Gas valve

#59
20170130868
2017-05-11

Balanced valve trim and method of reducing stem forces on a valve stem

#60
20170102096
2017-04-13

Balanced regulator with targeted boost sensing tube

#61
20170030475
2017-02-02

Dynamic lip seal and moveable seal recess for pressure balance control of electrically operated valve

#62
20160327177
2016-11-10

Double action direction fluid flow valve

#63
20160076669
2016-03-17

Balanced globe valve assembly

#64
20150316934
2015-11-05

Flow rate controller for high flow rates and high pressure drops

#65
20150247590
2015-09-03

Oscillating pressure in a finite volume

#66
20150240969
2015-08-27

Fluid regulator with balancing system

#67
20150240666
2015-08-27

Valve poppet element defining balance chamber

#68
20150204215
2015-07-23

Steam turbomachine valve having a valve member and seal assembly

#69
20150001432
2015-01-01

Device for sealing a valve

#70
20140367599
2014-12-18

Directional fluid control valve

#71
20140352971
2014-12-04

Solenoid-operated valve

#72
20140261804
2014-09-18

Solenoid operated valve with constant bleed port

#73
20140223944
2014-08-14

Flow control valve with pressure balancing

#74
20140175315
2014-06-26

FLOW-ADJUSTING VALVE

#75
20140137957
2014-05-22

Pressure balanced spring loaded overtravel sealing apparatus

#76
20140137947
2014-05-22

Apparatus and method for reducing actuator thrust requirements in a control valve

#77
20140119952
2014-05-01

Pump and method for operating pump

#78
20130299725
2013-11-14

Electrically actuated valve with a sealing ball

#79
20130082199
2013-04-04

Control valve

#80
20120326070
2012-12-27

Double action directional fluid flow valve

#81
20120323379
2012-12-20

Pressure balanced valve

#82
20120305110
2012-12-06

Bidirectional pressure self-balancing stop valve

#83
20120085948
2012-04-12

Actuator for controlling a fluid flow

#84
20120085439
2012-04-12

Flow rate controller for high flow rates and high pressure drops

#85
20120061600
2012-03-15

Pressure balanced valve with diaphragm valve member end seal

#86
20100219364
2010-09-02

Minimum pressure valve

#87
20100170583
2010-07-08

Fluid control valve with sensing port

#88
20100037964
2010-02-18

Regulating valve, particularly for regulating the flow of fluids in refrigeration systems

#89
20100012877
2010-01-21

CLOSURE DEVICE FOR A PRESSURE RESERVOIR OF A GAS-REFRIGERATION GENERATOR, WHICH CAN BE FILLED WITH A COMPRESSED GAS

#90
20090309059
2009-12-17

Seal assembly for a fluid pressure control device

#91
20090301081
2009-12-10

Ambient-air pulsed valve for internal combustion engines equipped with a turbocharger

#92
20090183510
2009-07-23

Valve with lip seal

#93
20090072180
2009-03-19

Double action directional fluid flow valve

#94
20090045364
2009-02-19

Pressure compensating method

#95
20080190499
2008-08-14

Media control valve with pressure balance loop

#96
20070062587
2007-03-22

Seal assembly for a fluid pressure control device

#97
20060273272
2006-12-07

Valve device

#98
20060096643
2006-05-11

Seal assembly for a fluid pressure control device

#99
20060048827
2006-03-09

Balanced globe valve

#100
20050279959
2005-12-22

Valve having pressure balancing piston and method involving same

#101
20050098220
2005-05-12

Balanced globe valve

#102
20050072464
2005-04-07

Shear mechanism for backpressure relief in a choke valve

#103
20050012065
2005-01-20

Balanced plug valve

#104
17942361
2024-12-31

Method and apparatus for a choke valve and operation of a choke valve

#105
16120343
2020-08-25

Method and apparatus for a choke valve and operation of a choke valve

#106
15582891
2018-09-04

Method and apparatus for a choke valve and operation of a choke valve