Patents-Review.com
ClassID:

152020 ⎘

F16K3/0227 - 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 Packings

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

Concentric Valve Skirts

 #2
20260126117
2026-05-07

GATE VALVE SEATS AND SEALS, KITS, AND ASSOCIATED METHODS TO ENHANCE OPERATING LIFE OF GATE VALVES

 #3
20260117876
2026-04-30

AUTOMATED OR MANULALLY OPERATED VALVE WITH VALVE SEAT ENERGIZING ELEMENT

 #4
20260117875
2026-04-30

COMPACT HYBRID TRIPLE SEAL FOR REVERSIBLE GATE VALVE AND METHOD

 #5
20260110085
2026-04-23

VENTING SLIT VALVE

 #6
20260063209
2026-03-05

Concentric Valve Skirts

 #7
20250361940
2025-11-27

VALVE FOR A PYROLYSIS SYSTEM

 #8
20250320923
2025-10-16

Gate Valves with Dynamic Skirts and Multiple Energizers

 #9
20250314306
2025-10-09

GATE VALVE SEATS AND SEALS, KITS, AND ASSOCIATED METHODS TO ENHANCE OPERATING LIFE OF GATE VALVES

 #10
20250283538
2025-09-11

SINGLE GATE VALVE

 #11
20250264161
2025-08-21

VALVE ASSEMBLY

 #12
20250257807
2025-08-14

EXTENDED SEAT FOR A GATE VALVE

 #13
20250224044
2025-07-10

HEIGHT-ADJUSTABLE VALVE FOR CONTINUOUS WATER SUPPLY

 #14
20250224036
2025-07-10

Dynamic Slab Gate Valves

 #15
20250207670
2025-06-26

Slab Gate Valves and Methods of Retrofitting

 #16
20250189058
2025-06-12

CONTROL VALVES WITH ADJUSTABLE VALVE PACKING

 #17
20250164012
2025-05-22

GATE VALVE WITH SINGLE OR DUAL SEATS AND SEAT ASSEMBLIES FOR A GATE VALVE

 #18
20250137534
2025-05-01

Unbalanced Pressure Activated Valve Seal Assembly

 #19
20250129854
2025-04-24

Slab gate valves and methods of retrofitting

 #20
20250129853
2025-04-24

GATE VALVE

 #21
20250092974
2025-03-20

FLUID COUPLINGS WITH AN IN-LINE FLOW VALVE

 #22
20250075804
2025-03-06

Dynamic Slab Gate Valves

 #23
20250075803
2025-03-06

Dynamic Slab Gate Valves

 #24
20250075800
2025-03-06

Reduced Stroke Gate Valve

 #25
20250060041
2025-02-20

MULTI-PIECE SLIT VALVE GATE

 #26
20250052327
2025-02-13

AUTOMATIC LOCKING RESILIENT KNIFE GATE VALVE SEAT

 #27
20250035219
2025-01-30

PRESSURE ENERGIZED GATE VALVE SEAT AND SEAL ASSEMBLY

 #28
20250003504
2025-01-02

Pendulum Valve

 #29
20240426381
2024-12-26

THERMAL BREAK BETWEEN A SUBSTRATE PROCESSING CHAMBER AND SUBSTRATE HANDLING CHAMBER

 #30
20240418283
2024-12-19

GATE VALVE AND SEAT FOR A GATE VALVE

 #31
20240418271
2024-12-19

Gate valve with single or dual seats and seat assemblies for a gate valve

 #32
20240418270
2024-12-19

OPTIMIZED GATE VALVE ASSEMBLY

 #33
20240353010
2024-10-24

Elastomer Bonded Door For Vacuum Systems

 #34
20240328518
2024-10-03

Gate Valve with Novel Seal and Sealing Arrangement

 #35
20240328517
2024-10-03

Gate Valve

 #36
20240280179
2024-08-22

GATE VALVE

 #37
20240240719
2024-07-18

Slide Unit For A Shut-Off Valve

 #38
20240200667
2024-06-20

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

 #39
20240191799
2024-06-13

SEAL ASSEMBLY FOR A REPLACEABLE LIQUID DISPENSER CARTRIDGE

 #40
20240159319
2024-05-16

Valve

 #41
20240102581
2024-03-28

Vacuum valve or vacuum door

 #42
20240068580
2024-02-29

FLOW PASSAGE SWITCHING DEVICE

 #43
20240035575
2024-02-01

Multi-piece slit valve gate

 #44
20240026980
2024-01-25

STRETCH WRAPPING MACHINE WITH PACKAGING MATERIAL TAIL TREATMENT

 #45
20240003434
2024-01-04

Valve insert system

 #46
20230407974
2023-12-21

A PNEUMATIC VALVE WITH FLEXI-SEALS

 #47
20230392696
2023-12-07

Gate Valve

 #48
20230383848
2023-11-30

SAND LOCK VALVE

 #49
20230323957
2023-10-12

Perimeter seated knife gate valve

 #50
20230265928
2023-08-24

Integrated equalization valve

 #51
20230228332
2023-07-20

Gate valve

 #52
20230213101
2023-07-06

SYSTEMS AND METHODS FOR GATE VALVES

 #53
20230134761
2023-05-04

Gasketed spectacle plate assembly for industrial pipe systems

 #54
20230108546
2023-04-06

Gate valve

 #55
20230107340
2023-04-06

Gate Valve

 #56
20230003305
2023-01-05

Valve insert system

 #57
20220412468
2022-12-29

Isolation knife gate valve

 #58
20220412467
2022-12-29

Sand lock valve

 #59
20220390019
2022-12-08

Translating cavity valve

 #60
20220316602
2022-10-06

Seal support ring for a valve

 #61
20220275869
2022-09-01

Integrated equalization valve

 #62
20220205546
2022-06-30

Gate valve

 #63
20220170556
2022-06-02

Gate valve

 #64
20220145998
2022-05-12

Integrated equalization valve

 #65
20220099197
2022-03-31

Gate valve

 #66
20220099195
2022-03-31

Gate valve

 #67
20220099194
2022-03-31

Gate valve

 #68
20220065354
2022-03-03

Sealing assembly for a knife gate valve

 #69
20220042615
2022-02-10

GATE VALVE AND METHOD OF REPAIRING SAME

 #70
20210327727
2021-10-21

Valve apparatuses and related methods for reactive process gas isolation and facilitating purge during isolation

 #71
20210310566
2021-10-07

Gate valve

 #72
20210278000
2021-09-09

Vacuum valve for providing a symmetrical fluid flow

 #73
20210239220
2021-08-05

Replaceable Seat Pocket Assembly

 #74
20210231222
2021-07-29

Gate valve with improved bonnet seal assembly

 #75
20210207719
2021-07-08

Dustproof gate valve

 #76
20210123535
2021-04-29

Systems and methods for gate valves

 #77
20210123532
2021-04-29

Reduced stroke gate valve

 #78
20210062930
2021-03-04

SHAPE MEMORY ALLOY VALVE AND METHOD FOR FABRICATION THEREOF

 #79
20210062921
2021-03-04

Gate valve device

 #80
20210025505
2021-01-28

Valve assemblies and associated components

 #81
20200355041
2020-11-12

Translating cavity valve

 #82
20200347943
2020-11-05

Systems and methods for single piece integrated seat

 #83
20200300372
2020-09-24

Gate valve

 #84
20200292085
2020-09-17

Knife gate valve liner

 #85
20200284355
2020-09-10

Sealability-enhanced soft seat plate type gate valve

 #86
20200278035
2020-09-03

Balanced stem and surface safety valve

 #87
20200240537
2020-07-30

Gate valve and method of repairing same

 #88
20200232564
2020-07-23

Valve seal device

 #89
20200200281
2020-06-25

Gate valve sealing ring flow guide

 #90
20200200272
2020-06-25

VALVE ASSEMBLY DESIGN USING HYPER-ELASTOMERIC COMPRESSION SYSTEM AND METHOD

 #91
20200182005
2020-06-11

Valve having protected, moveable seal and seal assembly therefor

 #92
20200158245
2020-05-21

Valve with removable seat

 #93
20200124186
2020-04-23

Front loaded seat seal

 #94
20200003310
2020-01-02

Valve device

 #95
20190376603
2019-12-12

Knife gate valve with dead-end service

 #96
20190293186
2019-09-26

Replaceable seat pocket assembly

 #97
20190264830
2019-08-29

Manual override system for magnetically actuated valves

 #98
20190257441
2019-08-22

Sprung gate valves movable by an actuator

 #99
20190249780
2019-08-15

Gate supports for a gate valve

 #100
20190195370
2019-06-27

Water valve and pool

 #101
20190128429
2019-05-02

Packing apparatus and related methods to identify proper loading for valve packing

 #102
20190107209
2019-04-11

Knife gate valve liner

 #103
20190107208
2019-04-11

Gate valve with valve body liner

 #104
20190040965
2019-02-07

Flow dividing valve

 #105
20190032795
2019-01-31

Gate-valve attaching structure

 #106
20190032794
2019-01-31

Knife gate valve

 #107
20190032793
2019-01-31

Black-powder-resistant through conduit valve

 #108
20190017610
2019-01-17

GATE VALVE AND SEAT INSERT FOR A GATE VALVE

 #109
20180347708
2018-12-06

Valve device

 #110
20180334919
2018-11-22

Valve module, and steam turbine and power generation system including the same

 #111
20180328512
2018-11-15

Boltless guided slide valve

 #112
20180292014
2018-10-11

Valve With Removable Seat

 #113
20180283560
2018-10-04

BLOWOUT PREVENTION SYSTEM INCLUDING BLIND SHEAR RAM

 #114
20180274322
2018-09-27

Blowout prevention system including blind shear ram

 #115
20180266570
2018-09-20

Replaceable seat pocket assembly

 #116
20180252322
2018-09-06

Slide valve, preferably for closing off a media conveying line

 #117
20180224015
2018-08-09

Pipeline apparatus

 #118
20180224005
2018-08-09

Valve, preferably vacuum valve

 #119
20180224004
2018-08-09

Pipeline Apparatus

 #120
20180224003
2018-08-09

Pipeline apparatus

 #121
20180216743
2018-08-02

Flexible sealing ring for valves

 #122
20180202558
2018-07-19

Seal of a vacuum valve and production method therefor

 #123
20180196449
2018-07-12

Valve control device

 #124
20180195622
2018-07-12

SLIDE VALVE

 #125
20180163879
2018-06-14

Subsea valve with non-circular sliding metal seals

 #126
20180156338
2018-06-07

Gate valve

 #127
20180128547
2018-05-10

Smart slide

 #128
20180094744
2018-04-05

Sprung gate valves movable by an actuator

 #129
20180094731
2018-04-05

Gate valve for a chemical plant

 #130
20180045172
2018-02-15

Axial piston machine

 #131
20180010697
2018-01-11

GATE VALVE AND SEATS FOR A GATE VALVE

 #132
20170370479
2017-12-28

Gate valve and seat insert for a gate valve

 #133
20170350515
2017-12-07

Ceramic valve unit for a beverage machine

 #134
20170343117
2017-11-30

HIGH-PRESSURE STATIC SEALING

 #135
20170299069
2017-10-19

Gate supports for a gate valve

 #136
20170299068
2017-10-19

Port gate supports for a gate valve

 #137
20170299067
2017-10-19

Gasket seal for a gate valve

 #138
20170292617
2017-10-12

Gate valve

 #139
20170261125
2017-09-14

Regulating valve

 #140
20170211706
2017-07-27

CERAMIC SLIT VALVE DOORS AND ASSEMBLIES

 #141
20170175903
2017-06-22

Shutter valve

 #142
20170167622
2017-06-15

Flow control assembly

 #143
20170130846
2017-05-11

CONTROL VALVE

 #144
20170114904
2017-04-27

CLOSING ELEMENT OF A GATE VALVE

 #145
20170102088
2017-04-13

Secondary thrust wireline shearing valve

 #146
20170102079
2017-04-13

Conduit slider for chemical and petrochemical systems

 #147
20170102078
2017-04-13

HYDRAULIC AND PROGRAMMABLE HYDRA SEAL GATE VALVE AND REMOTELY OPERATED FRACTURING STACK

 #148
20170097098
2017-04-06

Valve having open-center spool with separated inserts

 #149
20170030470
2017-02-02

Line blind valve assembly having an injection sealing system

 #150
20170028352
2017-02-02

Variable drain flow restrictor

 #151
20170023166
2017-01-26

Double block and bleed system for an orifice fitting

 #152
20170009901
2017-01-12

Valve assembly having improved rotational feel

 #153
20160377183
2016-12-29

Slit valve assembly having a spacer for maintaining a gap

 #154
20160369900
2016-12-22

Line blind valve

 #155
20160369899
2016-12-22

SHUTTER VALVE

 #156
20160363240
2016-12-15

VACUUM VALVE

 #157
20160356386
2016-12-08

Knife Gate Valve Liner

 #158
20160348793
2016-12-01

KNIFE GATE VALVE AND SEAL

 #159
20160341321
2016-11-24

Gate valve with secure sealing mechanism

 #160
20160327165
2016-11-10

Gate valve

 #161
20160252183
2016-09-01

Shutter valve

 #162
20160245412
2016-08-25

Gate valve with secure sealing mechanism

 #163
20160236861
2016-08-18

Slide valve for a hopper containing powdered material or material with a small grain size

 #164
20160215892
2016-07-28

Gate valve with linkage structure

 #165
20160215588
2016-07-28

Valve and seat assembly for a high pressure pump

 #166
20160215583
2016-07-28

Compound blowout preventer seal and method of using same

 #167
20160153567
2016-06-02

Vacuum valve

 #168
20160131265
2016-05-12

Cycle valve for use in hydromethanation process

 #169
20160123488
2016-05-05

Clamped bonnet assembly for an axial flow valve and axial flow valve comprising same

 #170
20160115845
2016-04-28

Fluid control valve device

 #171
20160109029
2016-04-21

Temperature controlled purge valve with washer/O-ring seal stack

 #172
20160102767
2016-04-14

Expanding disk gate valve

 #173
20160091112
2016-03-31

Noise and drag reducing cabin pressure outflow valve

 #174
20160084403
2016-03-24

Flow control valve

 #175
20160079104
2016-03-17

Transport module for a semiconductor fabrication device or coupling device

 #176
20160076657
2016-03-17

Bidirectional knife gate valve with a perimeter seat

 #177
20160069493
2016-03-10

PIPE-JUNCTION GATE SYSTEM AND METHOD

 #178
20160061335
2016-03-03

Shut-off device and gate valve with a shut-off device

 #179
20160053927
2016-02-25

Fluid connector and method for making sealed fluid connections

 #180
20160040789
2016-02-11

Closure element for a vacuum valve with pressed-off, vulcanized-on seal

 #181
20160040788
2016-02-11

Slide valve

 #182
20160016019
2016-01-21

Breathing apparatus equipment

 #183
20160016018
2016-01-21

Fluid adapter and fluid coupling

 #184
20160001033
2016-01-07

Valve

 #185
20150377107
2015-12-31

FLUID CONTROL VALVE DEVICE

 #186
20150369374
2015-12-24

Radical-resistant gate valve

 #187
20150354725
2015-12-10

Valve strip retainer assembly

 #188
20150353856
2015-12-10

FLUID TIGHT LOW FRICTION COATING SYSTEMS FOR DYNAMICALLY ENGAGING LOAD BEARING SURFACES

 #189
20150337967
2015-11-26

Explosion-proof sliding gate valve for blocking a fluid flow in a pipeline

 #190
20150292629
2015-10-15

Control valve

 #191
20150267819
2015-09-24

Seal Element Having Contoured V-Spring

 #192
20150226338
2015-08-13

Valve vented redundant stem seal system

 #193
20150204448
2015-07-23

Non-welded hardface gate and seats

 #194
20150176713
2015-06-25

Gate valve

 #195
20150167851
2015-06-18

Valve body filtration system

 #196
20150159767
2015-06-11

Pipeline apparatus

 #197
20150137016
2015-05-21

Gate valve

 #198
20150075659
2015-03-19

Slit valve with a pressurized gas bearing

 #199
20150060715
2015-03-05

Gate Valve Seal Ring

 #200
20150060709
2015-03-05

Sprung gate valves movable by a solenoid actuator

 #201
20150028241
2015-01-29

Valve assembly for a two handle faucet

 #202
20140366953
2014-12-18

Particle reduction via throttle gate valve purge

 #203
20140353534
2014-12-04

Sprung gate valves movable by an actuator

 #204
20140332707
2014-11-13

Valve with removable seat

 #205
20140291567
2014-10-02

INDUSTRIAL COMPONENT COMPRISING A SILICON EUTECTIC ALLOY AND METHOD OF MAKING THE COMPONENT

 #206
20140203202
2014-07-24

Sealing Microsawtooth Ring Joint of Two Opposing Surfaces

 #207
20140183396
2014-07-03

Multi-valve seat seal assembly for a gate valve

 #208
20140183392
2014-07-03

Gate valve arrangement including multi-valve stem and seat assemblies

 #209
20140110619
2014-04-24

Gate valve with improved seal arrangement

 #210
20140061521
2014-03-06

Segmented valve packing gland

 #211
20140034861
2014-02-06

Sealing system for industrial gate valves and gate valve comprising such a system

 #212
20140003892
2014-01-02

Gate valve unit, substrate processing device and substrate processing method thereof

 #213
20130168591
2013-07-04

VALVE SEAT, VALVE WITH SEAT AND METHOD OF FITTING SEAT TO VALVE

 #214
20130161553
2013-06-27

Valve vented redundant stem seal system

 #215
20130134346
2013-05-30

Control structure of wall-mounted faucet

 #216
20130092862
2013-04-18

Seal system

 #217
20130043419
2013-02-21

Valve assembly having improved connections

 #218
20130042925
2013-02-21

Valve assembly having improved rotational feel

 #219
20130026407
2013-01-31

Multi-seal knife gate valve

 #220
20120317887
2012-12-20

Device for closing an opening in a chamber wall

 #221
20120256113
2012-10-11

Replaceable floating gate valve seat seal

 #222
20120228537
2012-09-13

Gate valve assembly with an axially flexible seat

 #223
20120146293
2012-06-14

Spring-elastic axial seal

 #224
20120132842
2012-05-31

Metal seat seal with flexible sealing edge

 #225
20120068101
2012-03-22

Sleeve seal for gate valves

 #226
20110266483
2011-11-03

Sealing microsawtooth ring joint of two opposing surfaces

 #227
20110240156
2011-10-06

Double Block and Bleed Sandwich-Type Valve

 #228
20110169229
2011-07-14

Seal plate, seal member that is used in seal plate, and method for manufacturing the same

 #229
20110140019
2011-06-16

Vacuum valve

 #230
20110094604
2011-04-28

Valve assembly for a two handle faucet

 #231
20110042592
2011-02-24

Control valve

 #232
20100308252
2010-12-09

Gate valve with seals

 #233
20100275445
2010-11-04

Valve assembly having a unitary valve sleeve

 #234
20100264350
2010-10-21

Valve assembly having a unitary valve sleeve

 #235
20100243936
2010-09-30

Valve for use in connection with oil production and gas production

 #236
20100224816
2010-09-09

Gate valve with lubricated secondary seal

 #237
20100224815
2010-09-09

Slide valve with slider plate sealing mechanism

 #238
20100224814
2010-09-09

Gate valve with lubricated secondary seal

 #239
20100200793
2010-08-12

Gate valve with integrated support members

 #240
20100116239
2010-05-13

Sliding valve assembly

 #241
20100065769
2010-03-18

SLIDE VALVE

 #242
20090250649
2009-10-08

Gate valve for vacuum and seal member used therefor

 #243
20090189108
2009-07-30

Valve assembly having an improved flow path

 #244
20090121173
2009-05-14

Valve assembly having a reinforced valve seat

 #245
20090108544
2009-04-30

Methods and apparatus for sealing a slit valve door

 #246
20090095934
2009-04-16

Pressure rated oil field gate valve

 #247
20090090883
2009-04-09

Chamber isolation valve RF grounding

 #248
20090045371
2009-02-19

Bonded slit valve door seal with thin non-metallic film gap control bumper

 #249
20080230124
2008-09-25

Method for replacing seals in recreational vehicles gate valves without removing valve housing from plumbing

 #250
20080164437
2008-07-10

Gate valve with tongue and groove or bridging seal to annular seat elements

 #251
20080017825
2008-01-24

Bi-directional knife gate valve apparatus and method

 #252
20070251579
2007-11-01

Valve assembly having a unitary valve sleeve

 #253
20070228316
2007-10-04

Isolation valve seal

 #254
20070114483
2007-05-24

High-pressure gate valve

 #255
20070000608
2007-01-04

Chamber isolation valve RF grounding

 #256
20060255305
2006-11-16

Knife gate valve with multi-piece elastomer liner and/or o-rings at flange interface

 #257
20060243941
2006-11-02

Valve seat edge relief profile

 #258
20060219969
2006-10-05

High pressure gate valve

 #259
20060049374
2006-03-09

Vacuum valve

 #260
20060038155
2006-02-23

Gate valve with tongue and groove or bridging seal to annular seat elements

 #261
20050242318
2005-11-03

SEAL CARTRIDGE FOR AN INDUSTRIAL SLIDING BLADE DAMPER

 #262
20050218368
2005-10-06

Knife gate valve having elastomeric gate and chest seals

 #263
20050145818
2005-07-07

Guillotine valve

 #264
20050098756
2005-05-12

Gate valve

 #265
20050067599
2005-03-31

Valve seal assemblies and methods

 #266
20050045847
2005-03-03

Key operational valve

 #267
20050001195
2005-01-06

Loop seal for knife gate valve

 #268
19247186
2026-03-03

Concentric valve skirts

 #269
18215450
2024-10-08

Pressure energized gate valve seat and seal assembly

 #270
17510199
2023-02-21

Valve assembly with a replaceable valve insert

 #271
17038689
2022-07-12

Gate valve

 #272
17038585
2022-01-25

Gate valve

 #273
14960481
2017-03-21

Sprung gate valve

 #274
14930073
2019-03-12

Valve stem and assembly

 #275
14795442
2015-12-08

Shutter valve with seals

 #276
14462047
2014-12-16

Shutter valve with pivot arms