ClassID:

152578

F16K39/04 - CPC Classification

Classification description:

Devices for relieving the pressure on the sealing faces for sliding valves

Sub-classes:
Recent Application in this class:
#1
20250320925
2025-10-16

Locking Mechanism for Sealing Member of Valve with Bleeding Opening

#2
20250207672
2025-06-26

Valve Assembly for Cooling Fluid

#3
20250164014
2025-05-22

PRESSURE-BALANCED VALVE WITH IMPROVED SEALING PROPERTIES

#4
20240337331
2024-10-10

VALVE TRIM APPARATUS FOR USE WITH FLUID VALVES

#5
20240295272
2024-09-05

VARIABLE FLOW CHECK VALVE DEVICE, SUSPENSION VALVE, VEHICLE SUSPENSION SYSTEM AND METHOD

#6
20230265928
2023-08-24

Integrated equalization valve

#7
20230235824
2023-07-27

Locking mechanism for sealing member of valve with bleeding opening

#8
20220333698
2022-10-20

Locking Mechanism for Sealing Member of Valve

#9
20220299120
2022-09-22

Valve body with bypass

#10
20220275869
2022-09-01

Integrated equalization valve

#11
20220145998
2022-05-12

Integrated equalization valve

#12
20220074502
2022-03-10

Pressure-balanced gate valve

#13
20220003326
2022-01-06

Plug integrated staged valve trim assembly and fluid control valve comprising same

#14
20210207720
2021-07-08

Locking mechanism for sealing member of valve

#15
20210156482
2021-05-27

Valve arrangement and fluid flow control element

#16
20210140553
2021-05-13

PRESSURE-BALANCED RELIEF VALVE

#17
20210062921
2021-03-04

Gate valve device

#18
20210033054
2021-02-04

Solenoid-actuated valve and hydraulic control module including the same

#19
20200386337
2020-12-10

Valve of a hydraulic circuit with constant pressure drop

#20
20200284359
2020-09-10

Locking mechanism for sealing member of valve

#21
20200072363
2020-03-05

Gate valve with full-bore protective sleeve

#22
20190323626
2019-10-24

Valve device

#23
20190316690
2019-10-17

Valve body with identification tab

#24
20190277426
2019-09-12

Media control valve tank testing apparatus and method

#25
20190264644
2019-08-29

Solenoid-actuated valve and hydraulic control module including the same

#26
20190126341
2019-05-02

Monolithic bypass

#27
20190032796
2019-01-31

Locking mechanism for sealing member of valve

#28
20180292026
2018-10-11

Monolithic bypass

#29
20180128383
2018-05-10

Valve body with integral bypass

#30
20180045328
2018-02-15

Hydraulic valve

#31
20180001331
2018-01-04

Water stop switch device and shower head

#32
20170191570
2017-07-06

Gate valve with full-bore protective sleeve

#33
20170184219
2017-06-29

Valve cage for receiving a valve member and method for operating a control valve with a valve cage and a valve member

#34
20170016542
2017-01-19

Pressure balancing gate valve

#35
20160368609
2016-12-22

Dual valve gas pressure equalization system and method

#36
20160169402
2016-06-16

Valve, and the use thereof for a clutch

#37
20150226338
2015-08-13

Valve vented redundant stem seal system

#38
20150108378
2015-04-23

Fluid flow device that provides a seal by exploiting differential thermal expansion

#39
20150090355
2015-04-02

Solenoid-powered gate valve

#40
20150083954
2015-03-26

Pressure equalizing valve

#41
20150075659
2015-03-19

Slit valve with a pressurized gas bearing

#42
20150034188
2015-02-05

Screen valves

#43
20140252258
2014-09-11

Hydraulic valve for supplying single-acting or double-acting consumer

#44
20140014865
2014-01-16

Bolted valve control element

#45
20140007966
2014-01-09

PRELOADING GATE VALVE SYSTEM

#46
20130306896
2013-11-21

Gate valve in which amount of squeeze of sealing material is controllable

#47
20130263954
2013-10-10

Gate valve pressure equalization system

#48
20130248741
2013-09-26

Piston valve with built in filtration

#49
20130161553
2013-06-27

Valve vented redundant stem seal system

#50
20130098465
2013-04-25

Valve body fluid rerouting system

#51
20130087729
2013-04-11

Two spool energy saver valve

#52
20130081714
2013-04-04

Flow control valve

#53
20130056670
2013-03-07

Gate valve with equalizer port

#54
20120186678
2012-07-26

Pressure control valve

#55
20120018659
2012-01-26

Piston valve with built in filtration

#56
20110266471
2011-11-03

PILOTED MIDDLE-HIGH PRESSURE GATE VALVE

#57
20110247359
2011-10-13

Expansion valve with force equalization

#58
20100294974
2010-11-25

VALVE

#59
20100252133
2010-10-07

Faucet having a pressure release function

#60
20100243936
2010-09-30

Valve for use in connection with oil production and gas production

#61
20100224803
2010-09-09

Valve Body Fluid Rerouting System

#62
20090256099
2009-10-15

Gate valve with equalizer port

#63
20070246111
2007-10-25

Actuating valve with control port vent to ameliorate supply pressure fluctuation

#64
20070145317
2007-06-28

Image processing apparatus for reducing noise from image

#65
20070063162
2007-03-22

Compressible bladder and method of relieving pressure in a chamber

#66
20070056644
2007-03-15

Damper spool

#67
20050217740
2005-10-06

Solenoid valve

#68
17986986
2024-04-02

Gate valve assembly

#69
15895649
2020-06-23

Blowout preventer with pressure equalization block