Patents-Review.com
ClassID:

152560 ⎘

F16K37/00 - CPC Classification

Classification description:

Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Sub-classes:
Recent Application in this class:
#1
20250102074
2025-03-27

PROPORTIONAL FLUID FLOW VALVE AND METHODS OF OPERATING THEREOF

 #2
20250067347
2025-02-27

FLOW RATE CONTROL VALVE, MANUFACTURING METHOD OF FLOW RATE CONTROL VALVE, AND FLOW RATE CONTROL APPARATUS

 #3
20250059743
2025-02-20

ELECTRONIC FAUCET INCLUDING A SCHEDULER

 #4
20240309754
2024-09-19

Apparatus, system, and method for indicating a position of valve of wellsite equipment

 #5
20240183451
2024-06-06

HYDRAULIC VALVE

 #6
20240151319
2024-05-09

Fluid control device, fluid supply system, and fluid supply method

 #7
20230398477
2023-12-14

LEAK DETECTION AND RESPONSE SYSTEM FOR A PRESSURE VESSEL

 #8
20230258279
2023-08-17

MULTI VALVE ELECTRICAL ACTUATOR

 #9
20230244251
2023-08-03

Fluid control device, fluid supply system, and fluid supply method

 #10
20230243437
2023-08-03

Actuator assemblies and related methods for valve systems

 #11
20230235822
2023-07-27

Active valve shimming

 #12
20230028838
2023-01-26

FLUID DELIVERY SYSTEM INCLUDING A DISINFECTANT DEVICE

 #13
20220412209
2022-12-29

Apparatus, system, and method for indicating a position of valve of wellsite equipment

 #14
20220412208
2022-12-29

Apparatus, system, and method for indicating a position of valve of wellsite equipment

 #15
20220412207
2022-12-29

Apparatus, system, and method for indicating a position of valve of wellsite equipment

 #16
20220404183
2022-12-22

Calibrated Flow Rate Sensing and Flow Control Device

 #17
20220349493
2022-11-03

Devices and systems for measuring the state of a valve, and related methods

 #18
20220307622
2022-09-29

Assembly for sensor cleaning with solenoid

 #19
20220289076
2022-09-15

Valve, valve assembly, and seat comfort system

 #20
20220196183
2022-06-23

Gas regulator diaphragm-position and pressure-relief detection

 #21
20220196163
2022-06-23

Valve device, flow rate control method, fluid control device, semiconductor manufacturing method, and semiconductor manufacturing apparatus using the valve device

 #22
20220186752
2022-06-16

SPOOL TYPE FLOW CONTROL VALVE AND MANUFACTURING METHOD THEREOF

 #23
20220154841
2022-05-19

Controller for a manifold assembly in a water filter system

 #24
20220090697
2022-03-24

Magnetically controlled material-based magnetorheological pilot operated safety valve for hydraulic support, and applications of the same

 #25
20220042621
2022-02-10

Armature

 #26
20210396330
2021-12-23

OPERATION-SAFE REPLACEMENT OF A CONTROL HEAD

 #27
20210396091
2021-12-23

Electrically operated chemical stick launcher

 #28
20210372532
2021-12-02

VALVE DEVICE

 #29
20210330955
2021-10-28

Screw control medical fluid flow manifolds

 #30
20210307561
2021-10-07

TIME-CONTROLLED VALVE WITH WARNING SYSTEM

 #31
20210285565
2021-09-16

Angle ball valve having integrated sensor

 #32
20210262847
2021-08-26

Valve arrangement for a guided wave radar level gauge

 #33
20210254725
2021-08-19

Wear indication device for a flow control valve

 #34
20210140360
2021-05-13

Valve device

 #35
20210116322
2021-04-22

MONITORING TECHNIQUES FOR PRESSURIZED SYSTEMS

 #36
20210116047
2021-04-22

Fluid control device

 #37
20210062935
2021-03-04

SENSING VALVE

 #38
20200400524
2020-12-24

Autonomous and irreversible pressure variation detector

 #39
20200378517
2020-12-03

Failsafe system for a 270 degree actuator

 #40
20200349910
2020-11-05

Pitch adjustment for a valve brass musical instrument

 #41
20200319012
2020-10-08

Instrument calibration device and calibration method using same

 #42
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

 #43
20200256478
2020-08-13

Manifold assembly for a water filter system

 #44
20200248827
2020-08-06

Pressure relief valve

 #45
20200240441
2020-07-30

Constructing valve positioners for hazardous areas

 #46
20200132216
2020-04-30

Flow rate control apparatus and flow rate control method for the flow rate control apparatus

 #47
20200056707
2020-02-20

Smart pinch valve

 #48
20200041016
2020-02-06

Erosion resistant steam valve

 #49
20190316703
2019-10-17

Flow rate adjustment valve, and fluid control apparatus in which the flow rate adjustment valve is used

 #50
20190257436
2019-08-22

Four-way valve for switching refrigerant channel

 #51
20190242493
2019-08-08

Fluid control valve diagnostic device, fluid control device, and fluid control valve diagnostic program

 #52
20190226355
2019-07-25

Methods and apparatus to diagnose a pneumatic actuator-regulating accessory

 #53
20190195249
2019-06-27

Method and apparatus for diagnosing pneumatic control valve by using positioner model

 #54
20190162317
2019-05-30

Diaphragm assembly for a diaphragm valve, and diaphragm valve

 #55
20190151571
2019-05-23

Measuring valve health by pressure monitoring

 #56
20190145539
2019-05-16

Atmosphere control manifold

 #57
20190107463
2019-04-11

Valve diagnosis method and valve diagnosis device

 #58
20190001006
2019-01-03

Fluid delivery system including a disinfectant device

 #59
20180238466
2018-08-23

Fluidic device with cover for detection target surface

 #60
20180128292
2018-05-10

Control strategy for hydraulic actuator with a pair of independent metering valves

 #61
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

 #62
20180101155
2018-04-12

Equipment management system and equipment management method

 #63
20180089148
2018-03-29

DISTURBANCE SOURCE TRACING METHOD

 #64
20180051823
2018-02-22

Methods and apparatus for conducting in-service testing of pneumatic signal amplifiers

 #65
20180038510
2018-02-08

System and method to detect and communicate faucet valve position

 #66
20170328489
2017-11-16

Method of controlling a valve and valve

 #67
20170314698
2017-11-02

Valve operator assembly and valve equipped with such assembly

 #68
20170227140
2017-08-10

Usage monitoring system and method

 #69
20170198829
2017-07-13

Partial stroke testing system for emergency shut-off valves

 #70
20170074408
2017-03-16

Sensor-enabled gate valve

 #71
20170067656
2017-03-09

Conditioning and/or heating plant and process of controlling the same plant

 #72
20160317762
2016-11-03

Measuring valve health by pressure monitoring

 #73
20160282200
2016-09-29

In-tank valve

 #74
20160282165
2016-09-29

Improved Compressed Gas Cylinder

 #75
20160258550
2016-09-08

Valve position indicator and a method for indicating a valve position

 #76
20160238484
2016-08-18

Method for detecting a failure in a fuel return valve of an aircraft engine fuel circuit

 #77
20160238145
2016-08-18

SHUTOFF VALVE IN BACKFLOW PREVENTION DEVICE WITH VISUAL INDICATOR

 #78
20160222859
2016-08-04

METHOD AND SYSTEM FOR DETECTING MALFUNCTIONING OF FLUID TANK OF MACHINE

 #79
20160208953
2016-07-21

Mud pulser with poppet valve, having linear displacement determination means

 #80
20160186888
2016-06-30

GAS FLOW CONTROL VALVE

 #81
20160138725
2016-05-19

Pressure vacuum relief valve providing monitoring capabilities

 #82
20160076957
2016-03-17

Pressure indicator with pressure-relief function

 #83
20160040899
2016-02-11

ACTUATED VENT

 #84
20150308587
2015-10-29

System and method to detect and communicate faucet valve position

 #85
20150240968
2015-08-27

Apparatus for fluid control device leak detection

 #86
20150219223
2015-08-06

Sensor-enabled gate valve

 #87
20150184772
2015-07-02

Valve remote control apparatus

 #88
20150034177
2015-02-05

FLOAT VALVE

 #89
20150013790
2015-01-15

AXIAL FLUID VALVES

 #90
20150006091
2015-01-01

System and method for filtering noise from acoustic energy from a valve

 #91
20150000750
2015-01-01

Safety valve and method of use

 #92
20140371926
2014-12-18

Pressure compensated flow rate controller with BTU meter

 #93
20140311588
2014-10-23

Nuclear grade air accumulation, indication and venting device

 #94
20140299803
2014-10-09

Butterfly valve

 #95
20140261792
2014-09-18

REGULATING VALVE OPENING CONTROLLING SYSTEM

 #96
20140261740
2014-09-18

System for detecting that a valve should be replaced and a method of use thereof

 #97
20140217320
2014-08-07

Gate valve

 #98
20140190575
2014-07-10

Valve including a device for immobilizing a journal, energy conversion installation/fluid distribution network including such a valve and method of demounting such a valve

 #99
20140183388
2014-07-03

Electromagnetic apparatus and method for controlling fluid flow

 #100
20140182690
2014-07-03

SAFETY DEVICE FOR A FLUID STORAGE TANK, RELATED SYSTEMS AND METHODS

 #101
20140166131
2014-06-19

Swivel top shaft valve actuator

 #102
20140130904
2014-05-15

ACTUATOR WITH VISUAL INDICATOR SLEEVE

 #103
20140124067
2014-05-08

VALVE AND HYDRAULIC CONTROL

 #104
20140090712
2014-04-03

Steam trap monitor with diagnostics

 #105
20140053925
2014-02-27

System and method to detect and communicate faucet valve position

 #106
20140041738
2014-02-13

Apparatus for fluid control device leak detection

 #107
20140001387
2014-01-02

DRIVE DEVICE FOR A VALVE, VALVE FOR CONTROLLING A GAS AND/OR LIQUID FLOW

 #108
20130340836
2013-12-26

Overflow protection system for a fluid transfer system

 #109
20130327425
2013-12-12

Positioner

 #110
20130319551
2013-12-05

Opening degree detection device for automatically operated valve

 #111
20130312856
2013-11-28

Mixing valve assembly including a temperature display

 #112
20130269784
2013-10-17

Pneumatic actuator with container installation detection

 #113
20130206238
2013-08-15

Valve Assembly and Method of Using Same

 #114
20130192350
2013-08-01

Sensor-enabled gate valve

 #115
20130192348
2013-08-01

Sensor-enabled gate valve

 #116
20130183443
2013-07-18

Processing apparatus and valve operation checking method

 #117
20130167952
2013-07-04

Apparatus to visually indicate a leak from a relief valve

 #118
20130153579
2013-06-20

Safety device for a fluid storage tank, related systems and methods

 #119
20130149202
2013-06-13

Reactor vessel valve system

 #120
20130118614
2013-05-16

Temperature monitoring apparatus for a steam trap

 #121
20130068976
2013-03-21

Valve

 #122
20120326885
2012-12-27

Remotely readable valve position indicators

 #123
20120319857
2012-12-20

Pressure relief device integrity sensor

 #124
20120186994
2012-07-26

Fluid distribution assembly for testing systems

 #125
20120185102
2012-07-19

Pressure compensated flow rate controller with BTU meter

 #126
20120145248
2012-06-14

METHOD AND APPARATUS TO INDICATE ACTIVATION OF PRESSURE RELIEF DEVICE

 #127
20120068096
2012-03-22

Apparatus and method for controlling fluid flow

 #128
20110265549
2011-11-03

Methods and apparatus for calibrating flow controllers in substrate processing systems

 #129
20110260083
2011-10-27

Method for controlling an actuator

 #130
20110240126
2011-10-06

Safety valve and method of use

 #131
20110094608
2011-04-28

Refillable propane cylinder and valve assembly therefore

 #132
20100288364
2010-11-18

Metering valve arrangement

 #133
20100276923
2010-11-04

Temperature indication pipe joint

 #134
20100275359
2010-11-04

Optical sensors and algorithms for controlling automatic bathroom flushers and faucets

 #135
20100207045
2010-08-19

Apparatus for mounting process control devices to actuators

 #136
20100116365
2010-05-13

Remotely readable valve position indicators

 #137
20100102258
2010-04-29

Fluid cutoff device and gas meter with the fluid cutoff device

 #138
20100051841
2010-03-04

Electromagnetic apparatus and method for controlling fluid flow

 #139
20100019181
2010-01-28

Apparatus and method for controlling fluid flow

 #140
20090065718
2009-03-12

Water hammerless valve

 #141
20070241298
2007-10-18

Electromagnetic apparatus and method for controlling fluid flow

 #142
20070239400
2007-10-11

Process control monitoring systems, industrial plants, and process control monitoring methods

 #143
20070063161
2007-03-22

Leak prevention system

 #144
20070012367
2007-01-18

Field adjustable control valve assembly and field adjustment module

 #145
20060278281
2006-12-14

Apparatus and method for closing a fluid path

 #146
20060108552
2006-05-25

Apparatus and method for controlling fluid flow

 #147
20060016490
2006-01-26

Flow rate controller

 #148
20060006354
2006-01-12

Optical sensors and algorithms for controlling automatic bathroom flushers and faucets

 #149
20050210648
2005-09-29

Load applying tool

 #150
20050087235
2005-04-28

Sensor assembly, system including RFID sensor assemblies, and method

 #151
20050076956
2005-04-14

Flow control valve for cylinders of liquefied gases, having a means for indicating the status of the fluid

 #152
20050067600
2005-03-31

Valve having an actuator that integrates mechanical hard stops

 #153
20050022583
2005-02-03

Fluid inducer evaluation device and method

 #154
18090139
2024-02-13

Dual union ball drain valve with T-flow adjustability

 #155
14699348
2016-05-31

Monitor valve