ClassID:

152041

F16K3/188 - CPC Classification

Classification description:

Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of hydraulic forces

Recent Application in this class:
#1
20260132860
2026-05-14

PRESSURE REGULATOR

#2
20240309964
2024-09-19

Gate valve capable of enhancing accuracy in operation

#3
20240280179
2024-08-22

GATE VALVE

#4
20240068617
2024-02-29

GREASE PRESSURE RELIEF SYSTEM

#5
20240026979
2024-01-25

VACUUM VALVE FOR A VACUUM CONVEYING SYSTEM

#6
20230139315
2023-05-04

Gate valve

#7
20220390021
2022-12-08

Valve plate for sealing a valve opening of a vacuum valve

#8
20220373132
2022-11-24

Grease pressure relief system

#9
20220373101
2022-11-24

Vacuum valve

#10
20220349494
2022-11-03

Actuator and fluid control device

#11
20220260467
2022-08-18

Apparatus for conducting a hydraulic proof test

#12
20210313204
2021-10-07

Dual gate and single actuator system

#13
20210301929
2021-09-30

Slit valve pneumatic control

#14
20210041039
2021-02-11

Gate valve

#15
20210041030
2021-02-11

Sealing a gate valve

#16
20200292086
2020-09-17

Double-plate gate valve and use of the same

#17
20200096133
2020-03-26

Valve, in particular vacuum valve

#18
20190293187
2019-09-26

Closure device

#19
20190257441
2019-08-22

Sprung gate valves movable by an actuator

#20
20190056035
2019-02-21

Vacuum valve for closing a flow path with a two-part valve disk

#21
20180274695
2018-09-27

Vacuum valve

#22
20180274329
2018-09-27

Dirty fluid pressure regulator and control valve

#23
20180231133
2018-08-16

Vacuum valve

#24
20180051825
2018-02-22

Vacuum valve

#25
20180051813
2018-02-22

Valve, in particular vacuum valve

#26
20170335976
2017-11-23

Self-contained gate valve column loading prevention mechanism

#27
20170186633
2017-06-29

Substrate processing system

#28
20150198255
2015-07-16

Valve with a loading varying mechanism, and method of operating the same

#29
20150191997
2015-07-09

Dirty fluid pressure regulator and control valve

#30
20150075659
2015-03-19

Slit valve with a pressurized gas bearing

#31
20140048736
2014-02-20

Valve

#32
20130228712
2013-09-05

Method for rotary valve operation to reduce seal sheet wear

#33
20130118586
2013-05-16

Charged particle beam device, vacuum valve therefor and operation thereof

#34
20120317887
2012-12-20

Device for closing an opening in a chamber wall

#35
20120298899
2012-11-29

Door for sealing an opening

#36
20120285094
2012-11-15

Door valve

#37
20120247564
2012-10-04

SHOCKLESS SLIT VALVE CONTROL

#38
20120161055
2012-06-28

Gate valve

#39
20120061605
2012-03-15

Gate valve

#40
20110266471
2011-11-03

PILOTED MIDDLE-HIGH PRESSURE GATE VALVE

#41
20110108750
2011-05-12

Mounting of a valve plate on a valve rod

#42
20110095218
2011-04-28

Closing unit for a vacuum valve

#43
20100308250
2010-12-09

Valve

#44
20100300554
2010-12-02

Valve

#45
20100175771
2010-07-15

Telescoping double blocking pipe plug

#46
20100051111
2010-03-04

Slit valve control

#47
20090302260
2009-12-10

Valve

#48
20090236555
2009-09-24

GATE VALVE

#49
20080210307
2008-09-04

CONTROL OF SLIT VALVE DOOR SEAL PRESSURE

#50
20080035876
2008-02-14

Gate valve having service position

#51
20070290157
2007-12-20

Vacuum valve

#52
20070228314
2007-10-04

Vacuum valve

#53
20060249701
2006-11-09

Methods and apparatus for sealing an opening of a processing chamber

#54
20060249208
2006-11-09

Balanced valve

#55
20060124886
2006-06-15

Gate valve

#56
20050253099
2005-11-17

Gate valve

#57
20050045237
2005-03-03

Hydraulic control valve systems and methods

#58
18660102
2025-12-02

Pressure loss mitigation and durable valve

#59
18343602
2024-06-18

Pressure loss mitigation and durable valve

#60
17676009
2023-08-01

Pressure loss mitigation and durable valve

#61
17180424
2022-04-26

Pressure loss mitigation and durable valve