ClassID:

152587

F16K41/04 - CPC Classification

Classification description:

Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing

Sub-classes:
Recent Application in this class:
#1
20260146681
2026-05-28

PACKING MATERIAL CARTRIDGE

#2
20260085769
2026-03-26

SEALING DEVICE FOR A VALVE

#3
20260009477
2026-01-08

VALVE SYSTEM WITH IMPROVED SEALING

#4
20250354626
2025-11-20

CONTROL VALVES WITH ADJUSTABLE VALVE PACKING AND PACKING HEALTH DETERMINATION SYSTEMS

#5
20250277539
2025-09-04

THREE-WAY VALVE

#6
20250198538
2025-06-19

VALVE FOR A REFRIGERATION APPLICATION

#7
20250189058
2025-06-12

CONTROL VALVES WITH ADJUSTABLE VALVE PACKING

#8
20250116352
2025-04-10

TEMPERATURE COMPENSATING BIMETALLIC SPRING ENERGIZED MECHANICAL SEAL

#9
20250067364
2025-02-27

VALVE FOR A REFRIGERATION APPLICATION

#10
20240328886
2024-10-03

DETECTING EMISSIONS FROM A VALVE PACKING

#11
20240295277
2024-09-05

EGR VALVE

#12
20240280190
2024-08-22

PACKING MATERIAL CARTRIDGE

#13
20240218941
2024-07-04

ASSEMBLY FOR PREVENTING CLAMPING STAGNATION OF VALVE ROD, AND VALVE STRUCTURE AND METHOD FOR PREVENTING CLAMPING STAGNATION OF VALVE ROD

#14
20240175776
2024-05-30

DETECTING FUGITIVE EMISSIONS WITH A VALVE POSITIONER

#15
20240175497
2024-05-30

VALVE DEVICE

#16
20240102572
2024-03-28

Gas shutoff valve

#17
20240084922
2024-03-14

Ringless zero clearance closure

#18
20240011580
2024-01-11

VALVE SYSTEM WITH IMPROVED SEALING

#19
20230358334
2023-11-09

Piston for adjustable pressure reducing valve and an adjustable pressure reducing valve

#20
20230332717
2023-10-19

Stem seal cartridge for valve

#21
20230250893
2023-08-10

Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure

#22
20230213406
2023-07-06

Detecting emissions from valve packing

#23
20230160497
2023-05-25

Electric valve and assembly method therefor

#24
20230101258
2023-03-30

Valve with exchangeable packing seal cartridge

#25
20230027605
2023-01-26

Ringless zero clearance closure

#26
20230018227
2023-01-19

Gas admission valve including seal redundancy, and method of sealing a gas admission valve

#27
20220307601
2022-09-29

VALVE STEM SEAL

#28
20210340890
2021-11-04

Stem seal for valve assembly of machine engine

#29
20210301943
2021-09-30

DISPENSING UNIT HAVING FIXED FLEXIBLE DIAPHRAGM SEAL

#30
20210301931
2021-09-30

Methods and apparatus to load a valve packing

#31
20210222736
2021-07-22

Component assembly for a motor vehicle

#32
20210215270
2021-07-15

Valve seal for faucet assembly

#33
20210140560
2021-05-13

Self sealing jetting valve

#34
20210010615
2021-01-14

Oil-retaining mechanism, valve structure, and water outflow device

#35
20210010614
2021-01-14

Packing module and stuffing box assembly

#36
20200378519
2020-12-03

Electrically actuated flow control valve and method for operation of the flow control valve

#37
20200263809
2020-08-20

Valve assemblies, valve packing assemblies and related systems and methods

#38
20200256481
2020-08-13

SELF-CLEANING VALVE

#39
20200003326
2020-01-02

Valve, aircraft, launch vehicle, and vehicle including the same

#40
20190376617
2019-12-12

Seal structure, and device with said seal structure

#41
20190331232
2019-10-31

Valve stem with head covered by covering material and method of making valve stem

#42
20190331228
2019-10-31

Fluid Manifold

#43
20190309662
2019-10-10

Gasket with an improved heat dissipation capacity for a valve of an internal combustion engine

#44
20190309661
2019-10-10

Gasket for a valve of an internal combustion engine

#45
20190277426
2019-09-12

Media control valve tank testing apparatus and method

#46
20190162327
2019-05-30

Self sealing jetting valve

#47
20190162325
2019-05-30

Bushing having a shaft seal

#48
20190137002
2019-05-09

Methods and apparatus to install valve packing components

#49
20180363802
2018-12-20

Valve stem seal

#50
20180328512
2018-11-15

Boltless guided slide valve

#51
20180238468
2018-08-23

Sealing system of a device for allowing the passage of a medium, in particular in the high pressure range

#52
20180180196
2018-06-28

Multi-pressure rated valve assembly

#53
20180149372
2018-05-31

Flow rate regulation apparatus and hot water apparatus

#54
20180128396
2018-05-10

Dynamic stem packing

#55
20180119819
2018-05-03

Seal structure of regulating valve gland portion

#56
20180112777
2018-04-26

Valve packing assembly having shape-memory member

#57
20180106391
2018-04-19

Rod guide assembly and valve

#58
20180016952
2018-01-18

SEALING UNIT AND FLUID ENGINE

#59
20170292606
2017-10-12

Seal assembly for a valve stem

#60
20170291268
2017-10-12

Method of making a valve stem seal with formable retainer tabs

#61
20170261125
2017-09-14

Regulating valve

#62
20170234273
2017-08-17

Sealing system and exhaust gas recirculation valve

#63
20170066641
2017-03-09

Liquid Dispensing Tap And Liquid Container Provided With Said Tap

#64
20160265686
2016-09-15

Dual seal fire safe stem packing orientation

#65
20160178087
2016-06-23

Dynamic stem packing

#66
20160145966
2016-05-26

Self-lubricating flexible carbon composite seal

#67
20160040787
2016-02-11

Valve with different threads for preventing rotation of and locking bonnet within valve

#68
20150167862
2015-06-18

Low emission valve assembly

#69
20150144823
2015-05-28

Dual seal fire safe stem packing orientation

#70
20150102247
2015-04-16

Valve and choke stem packing assemblies

#71
20150060717
2015-03-05

Valve packing shield for use in hydrocarbon operations

#72
20150033941
2015-02-05

Linear actuator and vacuum control device

#73
20140084199
2014-03-27

Valve stem seal arrangement

#74
20140070125
2014-03-13

Valve drive assembly and valve using the same

#75
20130134345
2013-05-30

Valve with a valve bonnet

#76
20130082203
2013-04-04

Valve stem seal

#77
20130061954
2013-03-14

Valve packing fugitive emission detection system

#78
20120325183
2012-12-27

EGR valve

#79
20120193561
2012-08-02

Valve with self-aligning shaft seal

#80
20110297699
2011-12-08

O-ring retainer for valve stem

#81
20110168937
2011-07-14

Vacuum valve with gas-tight shaft penetration

#82
20110094481
2011-04-28

EXHAUST GAS RECIRCULATION VALVE DEVICE

#83
20100155640
2010-06-24

Fugitive emission reducing valve arrangement

#84
20090278068
2009-11-12

Seal structure and control valve using said seal structure

#85
20080290313
2008-11-27

High-pressure bi-directional valve

#86
20080245988
2008-10-09

Valve with self-aligning shaft seal

#87
20080231000
2008-09-25

Trapezoid-Sectional Annular Thermally-Assisted Sealing Arrangement

#88
20080217568
2008-09-11

Stem seal

#89
20070085279
2007-04-19

Dynamic sealing arrangement for movable shaft

#90
20070007480
2007-01-11

Valve having contamination counter-measures

#91
20060157662
2006-07-20

High temperature resistant seal structure, valve comprising the same and aerospace craft side thruster

#92
20060102860
2006-05-18

Liquid dispenser with stem sealing system

#93
20060091339
2006-05-04

Valve actuator apparatus

#94
20050274920
2005-12-15

Valve having contamination counter-measures

#95
20050082507
2005-04-21

Valve, exhaust gas recirculation control valve and valve assembling method

#96
20050067592
2005-03-31

Valve actuator apparatus

#97
20050017209
2005-01-27

Valve actuator apparatus

#98
18146060
2024-02-13

Packing for a high-pressure valve

#99
17201423
2022-02-08

Gasket for a valve of an internal combustion engine

#100
15350259
2019-05-07

Method of making a valve system for a valve asembly