Patents-Review.com
ClassID:

152282 ⎘

F16K17/044 - CPC Classification

Classification description:

Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring

Recent Application in this class:
#1
20260132860
2026-05-14

PRESSURE REGULATOR

 #2
20260085764
2026-03-26

SPRING ASSEMBLIES FOR PRESSURE RELIEF VALVES

 #3
20260039098
2026-02-05

OVERPRESSURE RELIEF DEVICE FOR SWITCHGEAR

 #4
20250341260
2025-11-06

MULTI-FUNCTION VALVE ASSEMBLIES

 #5
20250237314
2025-07-24

PRESSURE RELIEF VALVE (PRV) ASSEMBLY INCLUDING END-TO-END COUPLED PRV STAGES AND RELATED METHODS

 #6
20240384806
2024-11-21

PRESSURE RELIEF VALVE ASSEMBLY INCLUDING SERIES COUPLED VALVES AND RELATED METHODS

 #7
20240309958
2024-09-19

MULTI-FUNCTION VALVE ASSEMBLIES

 #8
20240142011
2024-05-02

Valve apparatus

 #9
20240026986
2024-01-25

Flow Regulating Valve

 #10
20240003448
2024-01-04

Overpressure protective device and method for passively blocking gas flow at a pressure setpoint

 #11
20230375098
2023-11-23

Fluid control valve

 #12
20230296185
2023-09-21

Dual poppet pressure relief valve with vacuum adaptor capability

 #13
20230096186
2023-03-30

Flow control valve

 #14
20230039845
2023-02-09

Automatic deflator valves with vortex-like air flow with improved tire valve stem connection

 #15
20220412476
2022-12-29

Dual poppet pressure relief valve with vacuum adaptor capability

 #16
20220381359
2022-12-01

Pressure valve for fermenter

 #17
20210388911
2021-12-16

Pressure valve for fermenter

 #18
20210332899
2021-10-28

Vented counterbalance valve with two setting springs in parallel

 #19
20210239229
2021-08-05

Spherical pump valve

 #20
20210127511
2021-04-29

Valve for pressure compensation and/or for emergency venting of a container, in particular of a container of a battery of an electric vehicle, as well as container with such a valve

 #21
20210116947
2021-04-22

Pressure-regulating valve

 #22
20200340210
2020-10-29

ANTI-REVERSE VALVE

 #23
20200332909
2020-10-22

Safety valve

 #24
20200271235
2020-08-27

Pressure reducing valve

 #25
20200224781
2020-07-16

Dual poppet pressure relief valve with vacuum adaptor capability

 #26
20200191289
2020-06-18

Fluid stop valve unit

 #27
20200189811
2020-06-18

BI-DIRECTIONAL VENT

 #28
20200182365
2020-06-11

Integrated Outlet Check Valve and Pressure Relief Valve

 #29
20200182363
2020-06-11

Hydraulic control apparatus

 #30
20200103044
2020-04-02

Relief valve

 #31
20200088312
2020-03-19

Regulable pressure relief valve for a draft beer fresh-keeping keg

 #32
20200063879
2020-02-27

Bypass valve and pig having a bypass valve

 #33
20200063818
2020-02-27

Damping valve for a vibration damper

 #34
20190368553
2019-12-05

Pressure control valve

 #35
20190360604
2019-11-28

Aspirator system pressure relief mechanism

 #36
20190331249
2019-10-31

Proportional Normally-Open Valve with a Biasing Spring

 #37
20190301627
2019-10-03

Passive valve

 #38
20190293196
2019-09-26

Microfluidic valve

 #39
20190285004
2019-09-19

Fault-accommodating flow scheduling valve

 #40
20190271384
2019-09-05

Transmission pressure controlled vent system

 #41
20190162326
2019-05-30

Modulatable safety valve

 #42
20190126693
2019-05-02

Valve assembly for a tire pressure management system

 #43
20190092618
2019-03-28

Testable overfill prevention valve for a liquid storage container

 #44
20190072195
2019-03-07

Dual stage pressure relief valve

 #45
20190003610
2019-01-03

Circuit shut-off solenoid valve for a solenoid valve system and solenoid valve system comprising said shut-off solenoid valve

 #46
20180371967
2018-12-27

Aircraft engine lubrication circuit and method, using a non-return pressurisation valve with two plugs

 #47
20180363794
2018-12-20

VARIABLE GEOMETRY LIFT VALVE FOR RECIPROCATING COMPRESSORS

 #48
20180281253
2018-10-04

GAS EXHAUSTING DEVICE FOR INJECTION MOLD

 #49
20180223879
2018-08-09

Pressure limiting device, in particular for an assist system for vehicles

 #50
20180180190
2018-06-28

Fluid stop valve unit

 #51
20180163897
2018-06-14

Throttling device

 #52
20180156347
2018-06-07

Pressure regulator with shutoff mechanism

 #53
20180031136
2018-02-01

Decompression air valve

 #54
20170328487
2017-11-16

Decompression air valve

 #55
20170314701
2017-11-02

Pressure relief valve

 #56
20170284553
2017-10-05

Relief valve device

 #57
20170101937
2017-04-13

Flow limiting duct vent valves and gas turbine engine bleed air systems including the same

 #58
20170097103
2017-04-06

Pneumatic valve

 #59
20170023142
2017-01-26

Pressure limiting valve for a cryostat containing a cryogen and a superconducting magnet

 #60
20160377195
2016-12-29

Throttling device

 #61
20160369906
2016-12-22

FLUID FILTER AND VALVE ASSEMBLY INCORPORATING CENTERING PIN

 #62
20160239028
2016-08-18

Apparatus to interface with a corrugated diaphragm

 #63
20160138726
2016-05-19

Pressure reduction valve and gas supply device

 #64
20160091102
2016-03-31

Pilot-operated pressure relief valve with lateral pressure connection

 #65
20160060996
2016-03-03

High performance subsea pressure regulator

 #66
20160053906
2016-02-25

Remotely-actuated dual-pressure relief valve

 #67
20150292637
2015-10-15

Super high flow pressure relief vent

 #68
20150247582
2015-09-03

Apparatus to interface with a corrugated diaphragm

 #69
20140360599
2014-12-11

Fluid regulator

 #70
20140290758
2014-10-02

Pressure reducing valve

 #71
20140251464
2014-09-11

Oil-hydraulic valve

 #72
20140182855
2014-07-03

Injection device

 #73
20140083532
2014-03-27

Gas charging check valve and precision container apparatus with gas charging check valve

 #74
20140069529
2014-03-13

Relief valve

 #75
20140014190
2014-01-16

Differential pressure valve with parallel biasing springs and method for reducing spring surge

 #76
20130291968
2013-11-07

Valve with proof of closure

 #77
20130220456
2013-08-29

Safety fitting

 #78
20130205486
2013-08-15

Flushing mechanism

 #79
20130153239
2013-06-20

Fluid safety valve

 #80
20130032115
2013-02-07

Valve for controlling a gas flow, liquid separator, ventilation system and internal combustion engine comprising such a valve

 #81
20120325339
2012-12-27

Valve structure for fluid pressure device

 #82
20120217428
2012-08-30

Valve assembly

 #83
20120103442
2012-05-03

Relief valve for oil pump

 #84
20110290337
2011-12-01

Intelligent Pressure Relief Device For A Double Isolation Valve

 #85
20110240897
2011-10-06

Pressure Limiting And Suction Valve Unit

 #86
20110175009
2011-07-21

FLUID REGULATOR

 #87
20110079295
2011-04-07

Pressure control and relief system

 #88
20110041805
2011-02-24

System and method for locking retention of valve components

 #89
20110033313
2011-02-10

Air flow control apparatus

 #90
20100283338
2010-11-11

Oil filter bypass valve assembly for a generator

 #91
20100231661
2010-09-16

Pressure-regulating valve and liquid droplet ejection apparatus

 #92
20090320938
2009-12-31

Safety valve

 #93
20080210313
2008-09-04

Pressure limiting valve with reduced differential area

 #94
20070034262
2007-02-15

Pressure relief valve

 #95
20070017579
2007-01-25

Reset relief valve

 #96
20050211308
2005-09-29

Pressure limiting valve in a hydraulic machine having a pressure limiting valve

 #97
20050155586
2005-07-21

Apparatus for controlling a pressure in a fuel inflow line

 #98
20050133094
2005-06-23

Enclosure system for pressure relief device

 #99
20050133093
2005-06-23

Pressure relief device with increased flow rate

 #100
18789031
2025-03-25

Technologies for preventing the explosion of electrical transformers

 #101
15726679
2019-10-08

Electrohydraulic counterbalance and pressure relief valve

 #102
15496945
2019-02-05

Loop flushing valve

 #103
14846924
2017-03-28

Pressure relief valve

 #104
14846909
2017-04-18

Pressure relief valve

 #105
14713445
2017-05-02

Loop flushing valve

 #106
14510022
2016-09-13

Vacuum relief valve

 #107
13998078
2015-10-20

Pressure relief valve