ClassID:

152611

F16K47/02 - CPC Classification

Classification description:

Means in valves for absorbing fluid energy for preventing water-hammer or noise

Sub-classes:
Recent Application in this class:
#1
20260103832
2026-04-16

BOX VALVES WITH ARRESTORS AND BACKFLOW PREVENTION

#2
20260055823
2026-02-26

ELECTROMAGNETIC VALVE

#3
20260000238
2026-01-01

ON-OFF VALVE AND LIQUID SUPPLY PATH SYSTEM

#4
20250389346
2025-12-25

VALVE CAGES HAVING LATTICE STRUCTURE

#5
20250257816
2025-08-14

VALVE ARRANGEMENT FOR A FLUID CONTROL SYSTEM

#6
20250180142
2025-06-05

NOISE DAMPER INTEGRATED SOLENOID VALVE

#7
20250172212
2025-05-29

SLIT VALVE APPARATUS

#8
20250146592
2025-05-08

POWER CYLINDER WITH EMBEDDED SOLENOID VALVE

#9
20240426397
2024-12-26

APPARATUS FOR NOISE REDUCTION IN VALVES

#10
20240369158
2024-11-07

METHODS AND APPARATUS TO REDUCE NOISE IN VALVES

#11
20240361784
2024-10-31

Water hammer effect mitigation controlling device of solenoid valve for fluid

#12
20240229939
2024-07-11

Valve assembly with adjustable spacer and noise reduction

#13
20240019047
2024-01-18

Shower system

#14
20240019046
2024-01-18

Methods and apparatus to reduce noise in valves

#15
20230362529
2023-11-09

HEARING DEVICE AND METHOD TO PROVIDE SUCH A HEARING DEVICE

#16
20230323868
2023-10-12

FUEL PUMP

#17
20230243137
2023-08-03

Flush Valve Apparatus

#18
20230220925
2023-07-13

Power-assisted pipeline valve

#19
20230204118
2023-06-29

REDUCING NOISE IN BALL VALVES

#20
20230098518
2023-03-30

Valve trim apparatus for use with control valves

#21
20230085374
2023-03-16

Fuel tank isolation valve or vehicle

#22
20230041505
2023-02-09

Regulator valve assembly and components thereof

#23
20220390036
2022-12-08

FLUID FLOW REGULATION ASSEMBLY WITH VIBRATION ATTENUATION

#24
20220381369
2022-12-01

Valve cooling and noise suppression

#25
20220235881
2022-07-28

Shower system

#26
20220196165
2022-06-23

Single lever cartridge for a sanitary faucet

#27
20220186857
2022-06-16

Reducing noise in ball valves

#28
20220154851
2022-05-19

Electronic expansion valve and refrigeration system

#29
20220128165
2022-04-28

Gas solenoid valve

#30
20220099210
2022-03-31

Gas solenoid valve

#31
20220080449
2022-03-17

PERFORMANCE SOLENOID ASSEMBLY

#32
20210381622
2021-12-09

Expansion sleeve apparatus and method for flow control valve

#33
20210260529
2021-08-26

Drainage device and system for controlling discharging of concentrated water in water purification process

#34
20210207740
2021-07-08

THREE-DIMENSIONAL TORTUOUS PATH FLOW ELEMENT FOR BALL CONTROL VALVES

#35
20210199057
2021-07-01

Valve assembly for exhaust system

#36
20210095768
2021-04-01

Check valve

#37
20210025340
2021-01-28

Externally mounted in-line exhaust gas valve

#38
20210010489
2021-01-14

Fluid exchange devices and related systems, and methods

#39
20200378528
2020-12-03

Method for switching over a solenoid valve

#40
20200340600
2020-10-29

Valve cooling and noise suppression

#41
20200332914
2020-10-22

FLUID CONTROL VALVE

#42
20200318657
2020-10-08

Spool valve and piston geometry to reduce cavitation effects in a linear actuator

#43
20200300383
2020-09-24

Fluid control valve

#44
20200284485
2020-09-10

EXPANSION VALVE

#45
20200208755
2020-07-02

Low noise gate valve

#46
20200158259
2020-05-21

FLOW CONTROL ASSEMBLY FOR SUBSEA APPLICATIONS

#47
20200158246
2020-05-21

Pressure Regulating Valve for Cupping Negative Pressure Apparatus

#48
20200150698
2020-05-14

Fluid exchange devices and related systems, and methods

#49
20200080613
2020-03-12

Hydraulic damping device

#50
20200072383
2020-03-05

Valve trim apparatus for use with control valves

#51
20200061330
2020-02-27

Exhalation valve for a ventilator apparatus with a valve configuration for reducing noise emission

#52
20200049271
2020-02-13

Manifold base for electromagnetic valve and manifold-type electromagnetic valve

#53
20200048877
2020-02-13

Shower system

#54
20190338863
2019-11-07

Valve for a flush-mounted body of a sanitary fitting, having a control knob rotatably fastened to a valve knob

#55
20190338500
2019-11-07

Flush mounted built-in body for a sanitary fitting with at least one push button which can be variably positioned

#56
20190316707
2019-10-17

Device and method for conditioning flow through a valve assembly

#57
20190291706
2019-09-26

Pressure control valve for vehicle

#58
20190219185
2019-07-18

VACUUM BOOSTER CHECK VALVE

#59
20190195211
2019-06-27

Apparatus for reducing suction pulsation and swash plate type compressor comprising same

#60
20190145545
2019-05-16

Flow control assembly for subsea applications

#61
20190040962
2019-02-07

Regulator valve assembly and components thereof

#62
20190017618
2019-01-17

Electromechanical-linkage hydraulic control gate valve actuator

#63
20180363803
2018-12-20

Structure for Vane-Type Valve Assembly

#64
20180328014
2018-11-15

LOW-NOISE PRESSURE FLUSHING SYSTEM AND TOILET DEVICE INCLUDING AND UTILIZING THE SAME

#65
20180319240
2018-11-08

Leveling valve for discharging and supplying fluid

#66
20180313465
2018-11-01

Fluid flow control valves

#67
20180259081
2018-09-13

VALVE STRUCTURE, AND HYDRAULIC DEVICE, FLUID MACHINE, AND MACHINE, EACH HAVING SAME

#68
20180252320
2018-09-06

Steam valve and steam turbine system

#69
20180245713
2018-08-30

Ball valve with modal silencer

#70
20180224010
2018-08-09

Pressure control valve

#71
20180149287
2018-05-31

Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline

#72
20180135775
2018-05-17

Pressure reduction valve

#73
20180073657
2018-03-15

STRUCTURE FOR PREVENTING VIBRATION OF SOLENOID VALVE

#74
20180038511
2018-02-08

Throttle device and refrigeration cycle system with same

#75
20180023727
2018-01-25

VALVE ASSEMBLY FOR A VOLUMETRIC COMPRESSOR OF THE RECIPROCATING TYPE

#76
20170335655
2017-11-23

Flow and fluid conditioning pressure reducing valve or device

#77
20170292481
2017-10-12

Relief valve and fuel supplying system

#78
20170276252
2017-09-28

Multistage stacked disc choke

#79
20170147014
2017-05-25

Pressure reducing valve

#80
20170074421
2017-03-16

Parallel cylinder type check valve

#81
20160369905
2016-12-22

Control valve

#82
20160341336
2016-11-24

Motor-driven valve

#83
20160326991
2016-11-10

PURGE CONTROL SOLENOID VALVE

#84
20160123479
2016-05-05

Control valve

#85
20160084038
2016-03-24

Flow and fluid conditioning pressure reducing valve or device

#86
20160024760
2016-01-28

EMERGENCY WATER STORAGE SYSTEM

#87
20150362081
2015-12-17

Pressure control valve and control valve

#88
20150276082
2015-10-01

Electrically operated valve

#89
20150267841
2015-09-24

Water hammer prevention valve and method

#90
20150122353
2015-05-07

Check valve and pumping system

#91
20150108378
2015-04-23

Fluid flow device that provides a seal by exploiting differential thermal expansion

#92
20150059879
2015-03-05

Poppet valve

#93
20150013808
2015-01-15

Spool valve

#94
20140332039
2014-11-13

Quiet pulse valve

#95
20140332038
2014-11-13

Cleaning valve with dampening mechanism

#96
20140251449
2014-09-11

Four-function anti-water hammer air valve set

#97
20140021383
2014-01-23

Device for reducing flow noise and valve

#98
20140014216
2014-01-16

Flow stabilizer

#99
20130340856
2013-12-26

CHAMBER DEVICE FOR ABSORBING NOISE IN FLOAT VALVE

#100
20130000737
2013-01-03

Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used

#101
20120060943
2012-03-15

Water hammer proof and silent check valve

#102
20120048401
2012-03-01

BALL CHECK VALVE

#103
20120018661
2012-01-26

Water-saving valve

#104
20110303294
2011-12-15

BALL-SEAT APPARATUS AND METHOD

#105
20110168265
2011-07-14

Water hammer prevention valve and method

#106
20110126541
2011-06-02

Muffler system for noise abatement and ice control

#107
20110057135
2011-03-10

Flow control valve assembly with low noise

#108
20110012037
2011-01-20

Noise reducing valve for toilet systems

#109
20100207043
2010-08-19

Noise reducing valve for toilet systems

#110
20100187462
2010-07-29

Axial flow control valves having an internal actuator

#111
20090255587
2009-10-15

Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used

#112
20090211651
2009-08-27

Hydraulic pressure damping device

#113
20090065718
2009-03-12

Water hammerless valve

#114
20090056818
2009-03-05

CHECK VALVES WITH NOISE REDUCER

#115
20090045370
2009-02-19

Water controlling valve

#116
20090008585
2009-01-08

Noise reducing valve for toilet systems

#117
20080257415
2008-10-23

Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used

#118
20080197311
2008-08-21

ADJUSTABLE MECHANICAL DEVICE FOR CONTROLLING VALVE CLOSURE SPEED

#119
20080184792
2008-08-07

Check valve module for flow meters with fluid hammer relief

#120
20080175726
2008-07-24

Surge Anticipator Safety Check Unit For A Liquid System

#121
20080173359
2008-07-24

Valve assembly

#122
20080173269
2008-07-24

Friction spring for leak detection poppet

#123
20080149192
2008-06-26

Valve

#124
20080128028
2008-06-05

Pressure activated trap primer and water hammer combination

#125
20080042093
2008-02-21

Pressure control valve

#126
20080035877
2008-02-14

Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method

#127
20080035206
2008-02-14

Shank assembly for a fill valve

#128
20070209707
2007-09-13

Pressure activated trap primer and water hammer combination

#129
20070068577
2007-03-29

Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method

#130
20070056639
2007-03-15

Aspirator for a shower fitting

#131
20060060248
2006-03-23

Sanitary fitting

#132
20050241697
2005-11-03

Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method

#133
20050150717
2005-07-14

Silencer for pneumatic machines

#134
20050082504
2005-04-21

Device for regulating the flow of a fluid, in particular for solenoid valves

#135
20050034771
2005-02-17

Valve assembly

#136
20050023075
2005-02-03

Reduced noise valve stack connection