ClassID:

151971

F16K1/2263 - CPC Classification

Classification description:

Lift valves or globe valves , i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves; Shaping or arrangements of the sealing the sealing being arranged on the valve seat

Sub-classes:
Recent Application in this class:
#1
20250276298
2025-09-04

A VALVE, A MIXING UNIT AND A METHOD FOR MIXING A LIQUID FOOD PRODUCT WITH A POWDER FOOD PRODUCT

#2
20250271064
2025-08-28

VALVE SEAT WITH SEAL FOR USE WITH VALVE ELEMENT IN VALVE ASSEMBLY

#3
20250251043
2025-08-07

BUTTERFLY VALVE

#4
20250192197
2025-06-12

VALVE AND A FUEL CELL SYSTEM INCORPORATING THE VALVE

#5
20240175507
2024-05-30

Exhaust valve

#6
20240175498
2024-05-30

RIDGE SEAL SEGMENTED VALVE

#7
20240068607
2024-02-29

Valve and Coupling

#8
20240060566
2024-02-22

SEALING MEMBER, SEALING MECHANISM, VALVE, AND SEALING METHOD

#9
20230383847
2023-11-30

Valve seat with seal for use with valve element in valve assembly

#10
20230332691
2023-10-19

Butterfly valve with quintuple offset structure

#11
20230304584
2023-09-28

Butterfly valve

#12
20230243429
2023-08-03

METAL SEAL FOR A FLAP VALVE

#13
20230151888
2023-05-18

Double eccentric butterfly valve and manufacturing method therefor

#14
20230066687
2023-03-02

Seal

#15
20220364648
2022-11-17

Ridge seal segmented valve

#16
20220333694
2022-10-20

Metal-coated seat retention groove and methods therefor

#17
20220235965
2022-07-28

Retrofit damper assembly

#18
20220090685
2022-03-24

Metal sealing system for triple eccentricity butterfly valve

#19
20220003322
2022-01-06

Butterfly valve

#20
20210364092
2021-11-25

Valve seat with seal for use with valve element in valve assembly

#21
20210254722
2021-08-19

Valve with unobstructed flow path having increased flow coefficient

#22
20210207718
2021-07-08

Metal-coated seat retention groove

#23
20210164574
2021-06-03

Centred butterfly valve

#24
20210086125
2021-03-25

Filter unit for a barrier system and barrier system, in particular isolator

#25
20210071774
2021-03-11

Pre-insulated valves for fluid system

#26
20210054939
2021-02-25

Valve with a sealing surface that minimizes wear

#27
20210010603
2021-01-14

Metal-coated seat retention groove

#28
20210010557
2021-01-14

Valve and shock absorber

#29
20200355290
2020-11-12

Butterfly valve

#30
20200347939
2020-11-05

Seal glands for butterfly valves

#31
20200290158
2020-09-17

Welding structure

#32
20200158244
2020-05-21

Seal Assembly and Sealing Structure for Triple-Eccentric Hard Sealing Butterfly Valve and Triple-Eccentric Hard Sealing Butterfly Valve

#33
20200080658
2020-03-12

Globe butterfly valve

#34
20200041016
2020-02-06

Erosion resistant steam valve

#35
20190390802
2019-12-26

Valve and coupling

#36
20190376722
2019-12-12

Retrofit damper assembly

#37
20190376721
2019-12-12

Retrofit damper optimized for universal installation

#38
20190376719
2019-12-12

RETROFIT DAMPER ASSEMBLY WITH DUAL SEAL

#39
20190372139
2019-12-05

Fuel cell system

#40
20190345792
2019-11-14

Eccentric seat for flapper valve

#41
20190331230
2019-10-31

Butterfly valve seat ring and butterfly valve provided with same

#42
20190309857
2019-10-10

Bonded seat with annular ribs

#43
20190219175
2019-07-18

Crossover rotary valves and stem seal packing

#44
20190101214
2019-04-04

Positive hub seal

#45
20180266567
2018-09-20

ENERGIZED PTFE SEAL FOR BUTTERFLY VALVE

#46
20180252322
2018-09-06

Slide valve, preferably for closing off a media conveying line

#47
20180171943
2018-06-21

Valve device and method for manufacturing the same

#48
20180149272
2018-05-31

CONCAVE-PLATE TRIPLE ECCENTRIC BUTTERFLY VALVE

#49
20180128189
2018-05-10

Exhaust gas flap

#50
20180119621
2018-05-03

Exhaust gas flap

#51
20180080566
2018-03-22

Butterfly valve with improved seat ring providing instant valve closing and uniformly increasing sealing

#52
20180069249
2018-03-08

Fuel cell system

#53
20180051812
2018-02-22

Valve

#54
20180030935
2018-02-01

Method and apparatus to prevent rotation

#55
20180017170
2018-01-18

In situ gasket assembly

#56
20170299065
2017-10-19

Butterfly-valve seat ring and fixing structure of the same, and eccentric-type butterfly valve

#57
20170292613
2017-10-12

Gasket seal seat ring

#58
20170268468
2017-09-21

Engine control valve in a motor vehicle

#59
20170268467
2017-09-21

ENGINE CONTROL VALVE IN A MOTOR VEHICLE

#60
20170268466
2017-09-21

Exhaust gas recirculation valve device for vehicle

#61
20170234436
2017-08-17

Butterfly valve seat with seat cover

#62
20170146171
2017-05-25

Coupling seal having ramp surfaces

#63
20170146170
2017-05-25

Sprung Seal Retainer

#64
20170146145
2017-05-25

Valve and valve coupling with reverse tapered shafts

#65
20170146143
2017-05-25

Valve coupling having centering support projections

#66
20170102086
2017-04-13

BUTTERFLY VALVE

#67
20170082227
2017-03-23

Valve and coupling

#68
20170059052
2017-03-02

Valve seat stiffener

#69
20170045146
2017-02-16

DISK VALVES TO PROVIDE AN EQUAL PERCENTAGE FLUID FLOW CHARACTERISTIC

#70
20170001271
2017-01-05

Method of manufacturing an eccentric valve

#71
20160348800
2016-12-01

Lining for mechanical joints

#72
20160333795
2016-11-17

Combined butterfly/ball valve

#73
20160298772
2016-10-13

Valve seat

#74
20160281654
2016-09-29

Valve for an exhaust gas line of an internal combustion engine

#75
20160208929
2016-07-21

Radial sealing butterfly valve

#76
20160169395
2016-06-16

Eccentric valve and manufacturing method thereof

#77
20160138719
2016-05-19

Butterfly valve seal retaining arrangement

#78
20160123473
2016-05-05

Butterfly valve having integral gaskets for its inlet and outlet seats

#79
20160069459
2016-03-10

Orbital seat in a butterfly valve

#80
20160061333
2016-03-03

Valve for an exhaust gas line of an internal combustion engine

#81
20160040786
2016-02-11

Aeration butterfly valve

#82
20150362078
2015-12-17

Double-Offset Butterfly Valve

#83
20150323080
2015-11-12

Engine control valve with improved sealing

#84
20150252904
2015-09-10

Triple eccentric valve with symmetric drain-proof ring applied no normal force to valve seat

#85
20150240754
2015-08-27

Engine control valve with flap and flat seal

#86
20150083955
2015-03-26

Bi-directional rotary valve

#87
20150053880
2015-02-26

High temperature seals for use in rotary valves

#88
20150014566
2015-01-15

Fluid circulation valve

#89
20140374639
2014-12-25

Butterfly valve with a rigid seal

#90
20140239214
2014-08-28

Butterfly Valve

#91
20140203201
2014-07-24

BUTTERFLY VALVES HAVING MULTIPLE SEALS

#92
20130299729
2013-11-14

Seal ring assemblies for use with rotary valves

#93
20130299728
2013-11-14

BUTTERFLY VALVE

#94
20130168590
2013-07-04

Butterfly valve

#95
20130168589
2013-07-04

High temperature butterfly valve

#96
20130168588
2013-07-04

PRESSURE RELIEF VENTING FOR A VALVE DISK SEAL

#97
20130161552
2013-06-27

Butterfly valve

#98
20130161551
2013-06-27

Flow control valve for an internal combustion engine

#99
20130153804
2013-06-20

Fluid circulation valve with improved seal

#100
20130153803
2013-06-20

Fluid valve

#101
20130146038
2013-06-13

Fluid valve

#102
20120273708
2012-11-01

Butterfly valve having function of maintaining sealing performance under low and high temperatures

#103
20110155110
2011-06-30

Valve body assembly

#104
20110121219
2011-05-26

Composite valve

#105
20110114863
2011-05-19

Butterfly valve, valve seat and valve seat retainer

#106
20110089360
2011-04-21

Flow control valve and method for manufacturing the same

#107
20110042599
2011-02-24

FLUID CONTROL VALVE

#108
20110024661
2011-02-03

BUTTERFLY VALVE, PREFERABLY FOR A BLOW OFF CIRCUIT OF A GAS TURBINE PLANT

#109
20100051847
2010-03-04

Method and Apparatus for Severing Conduits

#110
20100006788
2010-01-14

VALVE ASSEMBLY HAVING MAGNETICALLY-ENERGIZED SEAL MECHANISM

#111
20090194175
2009-08-06

SHUT-OFF DEVICE AND PROCESS FOR PRODUCING A SHUT-OFF DEVICE

#112
20090184476
2009-07-23

Butterfly valve with a rigid seal

#113
20090114869
2009-05-07

Butterfly valve with removable valve disc element

#114
20090024202
2009-01-22

CEA SYSTEM AND METHOD FOR DELIVERING A SELF-EXPANDING STENT

#115
20080315143
2008-12-25

BUTTERFLY VALVES

#116
20080272324
2008-11-06

ELLIPTICAL SEALING SURFACE FOR BUTTERFLY VALVE

#117
20080224079
2008-09-18

Valve having diameter-reducible joint part, joint for diameter reduction, and plumbing system using these

#118
20080197312
2008-08-21

Tube-end butterfly metering and shutoff valve

#119
20080142751
2008-06-19

Minimal-compression butterfly valve

#120
20080035874
2008-02-14

Elliptical sealing surface for butterfly valve

#121
20070145320
2007-06-28

Valve seal and method of installing a valve seal

#122
20070138427
2007-06-21

Valve seal and method of installing a valve seal

#123
20070084437
2007-04-19

Valve regulating device and intake manifold comprising at least one such device

#124
20070023727
2007-02-01

Butterfly valve having flanges forming a positive lock

#125
20060214129
2006-09-28

Elliptical sealing surface for butterfly valve

#126
20060038151
2006-02-23

Flow rate control valve

#127
20050242317
2005-11-03

Isolation damper and method of forming airtight seal

#128
20050029483
2005-02-10

Valve seal with pressure relief channels and expansion voids

#129
15040435
2018-05-22

Butterfly valve assembly