Patents-Review.com
ClassID:

152042 ⎘

F16K3/20 - 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 seats

Sub-classes:
Recent Application in this class:
#1
20260146675
2026-05-28

Concentric Valve Skirts

 #2
20260063209
2026-03-05

Concentric Valve Skirts

 #3
20260055816
2026-02-26

VOID PLUGS AND EXPANDING SEALS FOR GATE VALVES

 #4
20260029055
2026-01-29

Gate Valve With Seat Assembly

 #5
20250320923
2025-10-16

Gate Valves with Dynamic Skirts and Multiple Energizers

 #6
20250264161
2025-08-21

VALVE ASSEMBLY

 #7
20250257807
2025-08-14

EXTENDED SEAT FOR A GATE VALVE

 #8
20250224036
2025-07-10

Dynamic Slab Gate Valves

 #9
20250075804
2025-03-06

Dynamic Slab Gate Valves

 #10
20250075803
2025-03-06

Dynamic Slab Gate Valves

 #11
20240328517
2024-10-03

Gate Valve

 #12
20240200667
2024-06-20

NON-CIRCULAR BODY GATE VALVE WITH SKIRT PLATE HAVING SPACERS AND METHOD

 #13
20240159319
2024-05-16

Valve

 #14
20230323958
2023-10-12

VALVE ASSEMBLY METHOD

 #15
20230272860
2023-08-31

Gate Valve With Seat Assembly

 #16
20230228332
2023-07-20

Gate valve

 #17
20220120350
2022-04-21

System and method for valve seat arrangements

 #18
20220003325
2022-01-06

Gate valve with seat assembly

 #19
20210310566
2021-10-07

Gate valve

 #20
20210239221
2021-08-05

Automated line blind

 #21
20210239220
2021-08-05

Replaceable Seat Pocket Assembly

 #22
20210131570
2021-05-06

Fast blind plate switching device

 #23
20210123533
2021-04-29

Valve assembly method

 #24
20200300372
2020-09-24

Gate valve

 #25
20200263794
2020-08-20

Slide valve

 #26
20200256470
2020-08-13

BLIND VALVE

 #27
20200182359
2020-06-11

Gate valve with replaceable wear ring

 #28
20200157431
2020-05-21

Systems and methods for valve sealing

 #29
20200148955
2020-05-14

Systems and methods for valve sealing

 #30
20200124186
2020-04-23

Front loaded seat seal

 #31
20200088306
2020-03-19

EROSION RESISTANT CHOKE VALVE

 #32
20200063891
2020-02-27

Vacuum valve system for a regulated operation of a vacuum process

 #33
20190293187
2019-09-26

Closure device

 #34
20190293186
2019-09-26

Replaceable seat pocket assembly

 #35
20190277106
2019-09-12

Gate valve

 #36
20190136983
2019-05-09

Gate valve with seat assembly

 #37
20190032793
2019-01-31

Black-powder-resistant through conduit valve

 #38
20180266570
2018-09-20

Replaceable seat pocket assembly

 #39
20180180186
2018-06-28

Line blind valve

 #40
20180163876
2018-06-14

Vacuum gate valve

 #41
20180156338
2018-06-07

Gate valve

 #42
20180119823
2018-05-03

Biasing members for valve assembly

 #43
20170241552
2017-08-24

High pressure gate valve

 #44
20170204977
2017-07-20

Valve with a ceramic disc

 #45
20170114904
2017-04-27

CLOSING ELEMENT OF A GATE VALVE

 #46
20170009891
2017-01-12

Gate valve with seat assembly

 #47
20160327165
2016-11-10

Gate valve

 #48
20160109047
2016-04-21

Universal sewer inlet fitting

 #49
20150014568
2015-01-15

Gate valve with seat assembly

 #50
20130334451
2013-12-19

Wear ring retainer for a gate valve

 #51
20120256113
2012-10-11

Replaceable floating gate valve seat seal

 #52
20120168662
2012-07-05

VACUUM VALVE WITH PROTECTED SEALING SURFACE

 #53
20120085957
2012-04-12

Gate valve

 #54
20110037010
2011-02-17

Gate valve seat

 #55
20100264350
2010-10-21

Valve assembly having a unitary valve sleeve

 #56
20100258756
2010-10-14

Slide type valve

 #57
20090159138
2009-06-25

Double-disk slide valve

 #58
20090140195
2009-06-04

Gate valve

 #59
20070023726
2007-02-01

Low torque shear seal valve

 #60
20060042691
2006-03-02

Double-disk slide valve

 #61
20050062007
2005-03-24

Regulating vacuum valve

 #62
19247186
2026-03-03

Concentric valve skirts

 #63
17071699
2021-12-14

System and method for valve seat arrangements