Patents-Review.com
ClassID:

152026 ⎘

F16K3/0281 - 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 Guillotine or blade-type valves, e.g. no passage through the valve member

Recent Application in this class:
#1
20250377049
2025-12-11

GATE VALVE FOR CONTROLLING A FLOW OF MOLTEN MATERIAL

 #2
20250377043
2025-12-11

COMPACT SLAB GATE VALVE SYSTEMS AND METHOD OF USE

 #3
20250361940
2025-11-27

VALVE FOR A PYROLYSIS SYSTEM

 #4
20250256441
2025-08-14

GUILLOTINE OBTURATION VALVE FOR INJECTION MOLDING

 #5
20250075801
2025-03-06

Recirculation Device

 #6
20250052327
2025-02-13

AUTOMATIC LOCKING RESILIENT KNIFE GATE VALVE SEAT

 #7
20250035218
2025-01-30

Dovetailed Gate Valve

 #8
20250020221
2025-01-16

SYSTEMS AND METHODS FOR PURGING AN ISOLATION VALVE WITH A LIQUID PURGE MEDIUM

 #9
20240410471
2024-12-12

KNIFE VALVE FOR ATMOSPHERIC SYSTEMS

 #10
20240384801
2024-11-21

Gate valve and valve actuator

 #11
20240360906
2024-10-31

GUIDE TRACK ALIGNMENT METHOD AND SYSTEM FOR A GATE VALVE

 #12
20240353010
2024-10-24

Elastomer Bonded Door For Vacuum Systems

 #13
20240309964
2024-09-19

Gate valve capable of enhancing accuracy in operation

 #14
20240288077
2024-08-29

Method of opening fluid control valve and fluid control valve used for the same

 #15
20240240719
2024-07-18

Slide Unit For A Shut-Off Valve

 #16
20240213053
2024-06-27

VALVE STRUCTURE AND SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME

 #17
20240183450
2024-06-06

Blast gate for dust collection

 #18
20240117913
2024-04-11

INSERTION VALVES AND METHODS OF INSTALLING INSERTION VALVES IN PRESSURIZED PIPES

 #19
20240051771
2024-02-15

Gate valve, module with a valve and system for conveying of bulk goods with valves

 #20
20240026980
2024-01-25

STRETCH WRAPPING MACHINE WITH PACKAGING MATERIAL TAIL TREATMENT

 #21
20240003452
2024-01-04

Sealing blade for slit valve

 #22
20240003432
2024-01-04

Tree Gate Valve

 #23
20230375091
2023-11-23

Clamping a plug tip in a control valve

 #24
20230358319
2023-11-09

Isolation gate valve

 #25
20230323957
2023-10-12

Perimeter seated knife gate valve

 #26
20230304589
2023-09-28

Method of opening fluid control valve and fluid control valve used for the same

 #27
20230265578
2023-08-24

Method of controlling chemical concentration in electrolyte

 #28
20230219119
2023-07-13

VALVE AND METHOD FOR CLEANING A VALVE

 #29
20230213100
2023-07-06

Actuator for Gate Valve and Method of Attachment

 #30
20230134761
2023-05-04

Gasketed spectacle plate assembly for industrial pipe systems

 #31
20230133673
2023-05-04

Impact driver valve systems

 #32
20230130512
2023-04-27

Valve structure and substrate processing apparatus including the same

 #33
20230104980
2023-04-06

Metering Device for Bulk Material

 #34
20230081652
2023-03-16

Fluid shut-off system and shut-off method

 #35
20230000298
2023-01-05

Dust collection system blast gate valve

 #36
20220412468
2022-12-29

Isolation knife gate valve

 #37
20220373132
2022-11-24

Grease pressure relief system

 #38
20220364656
2022-11-17

Magnetic locking or opening device, method and system

 #39
20220333695
2022-10-20

Gate valve

 #40
20220325841
2022-10-13

SANITIZING POUCH FOR ELECTRONICS

 #41
20220316641
2022-10-06

SANITIZING POUCH FOR ELECTRONICS

 #42
20220299120
2022-09-22

Valve body with bypass

 #43
20220299119
2022-09-22

Shake-prevention-mechanism—including gate valve

 #44
20220268363
2022-08-25

Floating yoke connection

 #45
20220204865
2022-06-30

Systems and methods for purging an isolation valve with a liquid purge medium

 #46
20220204864
2022-06-30

Systems and methods for purging an isolation valve with a liquid purge medium

 #47
20220148855
2022-05-12

Valve module and substrate processing device comprising the same

 #48
20220099195
2022-03-31

Gate valve

 #49
20220065354
2022-03-03

Sealing assembly for a knife gate valve

 #50
20220049774
2022-02-17

Shut-off valve, coking drum and method

 #51
20210388907
2021-12-16

Gate valve

 #52
20210332892
2021-10-28

Slide gate with reinforcement ribs

 #53
20210324965
2021-10-21

Magnetic locking or opening device, method and system

 #54
20210310567
2021-10-07

Multi-seat gate valve

 #55
20210239221
2021-08-05

Automated line blind

 #56
20210231223
2021-07-29

Connecting apparatus for the connection of a valve rod to a closure member of a vacuum valve

 #57
20210207719
2021-07-08

Dustproof gate valve

 #58
20210062921
2021-03-04

Gate valve device

 #59
20210054966
2021-02-25

Sanitizing pouch for electronics

 #60
20210041030
2021-02-11

Sealing a gate valve

 #61
20200400237
2020-12-24

Discharge valve system and method

 #62
20200400236
2020-12-24

Gate valve

 #63
20200329718
2020-10-22

Commercial confection mixer apparatus

 #64
20200292085
2020-09-17

Knife gate valve liner

 #65
20200284355
2020-09-10

Sealability-enhanced soft seat plate type gate valve

 #66
20200224774
2020-07-16

Sectional control device

 #67
20200208755
2020-07-02

Low noise gate valve

 #68
20200200281
2020-06-25

Gate valve sealing ring flow guide

 #69
20200182005
2020-06-11

Valve having protected, moveable seal and seal assembly therefor

 #70
20200158245
2020-05-21

Valve with removable seat

 #71
20190383420
2019-12-19

Valve with self-locking function

 #72
20190360437
2019-11-28

Air shutoff valve

 #73
20190323142
2019-10-24

Method of controlling chemical concentration in electrolyte and semiconductor apparatus

 #74
20190316724
2019-10-17

Arrangement for separating a connection between two pressurized flanged tube sections

 #75
20190316690
2019-10-17

Valve body with identification tab

 #76
20190293188
2019-09-26

Solid wedge disk valve with cartridge-carriage

 #77
20190293187
2019-09-26

Closure device

 #78
20190264830
2019-08-29

Manual override system for magnetically actuated valves

 #79
20190249780
2019-08-15

Gate supports for a gate valve

 #80
20190194966
2019-06-27

POOL VALVE ASSEMBLY

 #81
20190107238
2019-04-11

Sanitizing pouch for electronics

 #82
20190107209
2019-04-11

Knife gate valve liner

 #83
20190107208
2019-04-11

Gate valve with valve body liner

 #84
20190101216
2019-04-04

Discharge valve system and method

 #85
20190063618
2019-02-28

Valve Sleeve for Knife Gate Valve Assembly

 #86
20190032794
2019-01-31

Knife gate valve

 #87
20190003600
2019-01-03

Sectional control device

 #88
20180372231
2018-12-27

Pipeline control unit

 #89
20180363786
2018-12-20

Shut-off device

 #90
20180355858
2018-12-13

Cryopump and gate valve

 #91
20180340521
2018-11-29

Vacuum pumping device, vacuum pump, and vacuum valve

 #92
20180334919
2018-11-22

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

 #93
20180292014
2018-10-11

Valve With Removable Seat

 #94
20180283128
2018-10-04

Blowout prevention system including blind shear ram

 #95
20180281029
2018-10-04

Valve body and method of transforming a valve body into a functioning valve

 #96
20180275691
2018-09-27

Early prediction and detection of slide valve sticking in petrochemical plants or refineries

 #97
20180275690
2018-09-27

Operating slide valves in petrochemical plants or refineries

 #98
20180272100
2018-09-27

Portable control device for regulating a continous oxygen flow

 #99
20180252322
2018-09-06

Slide valve, preferably for closing off a media conveying line

 #100
20180238462
2018-08-23

Pipeline Apparatus

 #101
20180224015
2018-08-09

Pipeline apparatus

 #102
20180224004
2018-08-09

Pipeline Apparatus

 #103
20180224003
2018-08-09

Pipeline apparatus

 #104
20180216739
2018-08-02

Vacuum valve

 #105
20180195639
2018-07-12

VACUUM VALVE

 #106
20180195624
2018-07-12

Vacuum valve

 #107
20180180186
2018-06-28

Line blind valve

 #108
20180135773
2018-05-17

Valve operator assembly with clutch mechanism and valve equipped with such assembly

 #109
20180128383
2018-05-10

Valve body with integral bypass

 #110
20180119823
2018-05-03

Biasing members for valve assembly

 #111
20180119822
2018-05-03

Vacuum gate valve

 #112
20180111174
2018-04-26

Drain pipe cleaning device and method of cleaning

 #113
20180099318
2018-04-12

Side-opening sleeve valve

 #114
20180087673
2018-03-29

Gate valve protector sleeve

 #115
20180080567
2018-03-22

Valve gate within a Venturi gap of a Venturi device for producing vacuum

 #116
20180031163
2018-02-01

BULK ADHESIVE TRANSFER DEVICES, KNIFE GATE VALVE DEVICES, AND RELATED SYSTEMS AND METHODS

 #117
20170343108
2017-11-30

Sealing components and methods of manufacture

 #118
20170321404
2017-11-09

Waste disposal system, and method of its use

 #119
20170299069
2017-10-19

Gate supports for a gate valve

 #120
20170299067
2017-10-19

Gasket seal for a gate valve

 #121
20170292617
2017-10-12

Gate valve

 #122
20170241552
2017-08-24

High pressure gate valve

 #123
20170198816
2017-07-13

Gate valve for controlling the passage of liquid

 #124
20170167621
2017-06-15

SLIDE VALVE

 #125
20170165623
2017-06-15

Slide Valve Intended for Flow Control in a Fluid Catalytic Cracking Unit

 #126
20170089472
2017-03-30

Two-way gate valve

 #127
20170074410
2017-03-16

Lubrication system for a gate valve

 #128
20170016551
2017-01-19

Power-driven gate valve

 #129
20160377183
2016-12-29

Slit valve assembly having a spacer for maintaining a gap

 #130
20160356390
2016-12-08

Stuffing box lug

 #131
20160356386
2016-12-08

Knife Gate Valve Liner

 #132
20160348793
2016-12-01

KNIFE GATE VALVE AND SEAL

 #133
20160341321
2016-11-24

Gate valve with secure sealing mechanism

 #134
20160327198
2016-11-10

Shut-off device

 #135
20160312905
2016-10-27

Parallel slide gate valves and related methods

 #136
20160312904
2016-10-27

Shearing gate valve system

 #137
20160265301
2016-09-15

Asymetrically cutting valve seats

 #138
20160245412
2016-08-25

Gate valve with secure sealing mechanism

 #139
20160236861
2016-08-18

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

 #140
20160076657
2016-03-17

Bidirectional knife gate valve with a perimeter seat

 #141
20150369374
2015-12-24

Radical-resistant gate valve

 #142
20150354711
2015-12-10

KNIFE GATE VALVE

 #143
20150345662
2015-12-03

Vacuum valve

 #144
20150337967
2015-11-26

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

 #145
20150316155
2015-11-05

Gate valve

 #146
20150300507
2015-10-22

Relating to gate valves

 #147
20150292660
2015-10-15

PIPE FITTING

 #148
20150267841
2015-09-24

Water hammer prevention valve and method

 #149
20150159767
2015-06-11

Pipeline apparatus

 #150
20150075625
2015-03-19

Bulk adhesive transfer devices, knife gate valve devices, and related systems and methods

 #151
20150069282
2015-03-12

Gate valve

 #152
20140353085
2014-12-04

Lubrication system for a gate valve

 #153
20140332707
2014-11-13

Valve with removable seat

 #154
20140271096
2014-09-18

Method for processing material for a gasifier

 #155
20140271047
2014-09-18

System for processing material for a gasifier

 #156
20140264130
2014-09-18

Isolation gate

 #157
20140261829
2014-09-18

Outlet tube for a material transfer system

 #158
20140183396
2014-07-03

Multi-valve seat seal assembly for a gate valve

 #159
20140130893
2014-05-15

Shear valve

 #160
20140061521
2014-03-06

Segmented valve packing gland

 #161
20140021397
2014-01-23

SEALING ELEMENT FOR A GATE VALVE

 #162
20130334453
2013-12-19

Valve wear ring and gate valve with wear ring

 #163
20130277590
2013-10-24

Gate valve with linearly displaceable closing members

 #164
20130133756
2013-05-30

Shear valve

 #165
20130092862
2013-04-18

Seal system

 #166
20130032465
2013-02-07

Coke drum bottom de-heading system

 #167
20130026407
2013-01-31

Multi-seal knife gate valve

 #168
20120192816
2012-08-02

Mechanical coolant pump

 #169
20120181461
2012-07-19

Drive means for a slide valve and a slide valve

 #170
20120068101
2012-03-22

Sleeve seal for gate valves

 #171
20110233441
2011-09-29

LINEAR ACTUATOR WITH INTERNAL LINEAR TO ROTARY CONVERSION AND EXTERNAL ROTARY COMPONENT

 #172
20110001076
2011-01-06

Slide valve with temperature barrier

 #173
20100314570
2010-12-16

Rotary gate valve with secondary seal

 #174
20100275445
2010-11-04

Valve assembly having a unitary valve sleeve

 #175
20100264350
2010-10-21

Valve assembly having a unitary valve sleeve

 #176
20100224816
2010-09-09

Gate valve with lubricated secondary seal

 #177
20100224815
2010-09-09

Slide valve with slider plate sealing mechanism

 #178
20100224814
2010-09-09

Gate valve with lubricated secondary seal

 #179
20090236554
2009-09-24

KNIFE GATE VALVE WITH SKEWED GATE SEAT INTERFACE

 #180
20090194182
2009-08-06

DUAL CHAMBER ORIFICE FITTING BODY

 #181
20090159827
2009-06-25

ROTARY GATE VALVE

 #182
20090121173
2009-05-14

Valve assembly having a reinforced valve seat

 #183
20090101856
2009-04-23

Gate valve actuator

 #184
20090095932
2009-04-16

Knife Gate Valve

 #185
20090020719
2009-01-22

Linear motion-type gate valve

 #186
20080230125
2008-09-25

Compartmentalized electric/manual gate valve

 #187
20080230124
2008-09-25

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

 #188
20080190404
2008-08-14

Internal combustion engine having exhaust gas recirculation

 #189
20080083267
2008-04-10

Leak testing device with a permanent coupling

 #190
20080017825
2008-01-24

Bi-directional knife gate valve apparatus and method

 #191
20070251579
2007-11-01

Valve assembly having a unitary valve sleeve

 #192
20070241300
2007-10-18

Slide arrangement

 #193
20070181841
2007-08-09

Orifice valve for bulk solids

 #194
20070175532
2007-08-02

Gate valve cable assembly

 #195
20070114483
2007-05-24

High-pressure gate valve

 #196
20070007484
2007-01-11

Sliding valve, in particular quick-acting sliding valve for an explosion protection shut-off device

 #197
20060255305
2006-11-16

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

 #198
20060219969
2006-10-05

High pressure gate valve

 #199
20060131534
2006-06-22

Knife gate valve

 #200
20050285071
2005-12-29

Gate valve

 #201
20050218368
2005-10-06

Knife gate valve having elastomeric gate and chest seals

 #202
20050199849
2005-09-15

Slide valve

 #203
20050145818
2005-07-07

Guillotine valve

 #204
20050001195
2005-01-06

Loop seal for knife gate valve

 #205
18907027
2025-12-30

Blast gate capable of preventing gate-dropping

 #206
18592601
2025-11-25

System for selectively closing a fluid channel

 #207
17841783
2023-10-10

Knife gate valve

 #208
17666925
2022-12-27

Gate valve capable of being opened and closed by using elastic force

 #209
17180463
2022-04-12

Floating yoke connection

 #210
15987599
2019-10-29

Air shutoff valve

 #211
15642815
2018-11-27

Flange assembly with frangible gate for mounting air cannons to bulk material processing equipment

 #212
15400806
2017-10-24

Rotary magnetic coupling actuated valve with external magnets and internal magnetic flux path

 #213
15230452
2017-10-24

E-liquid separation mechanism and electronic cigarette having the same