ClassID:

152564

F16K37/0033 - 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; Electrical or magnetic means using a permanent magnet, e.g. in combination with a reed relays

Recent Application in this class:
#1
20260098582
2026-04-09

SPINDLE ASSEMBLY FOR INSTRUMENTED VALVES

#2
20260085768
2026-03-26

VALVE AND VALVE SYSTEM

#3
20250383111
2025-12-18

FLOWRATE DETERMINATION SYSTEM AND METHOD FOR A FLOW CONTROL VALVE

#4
20250354624
2025-11-20

METHOD OF DETERMINING AN ANGULAR POSITION OF A SIGNAL GENERATOR, ANGLE DETECTION SYSTEM AND VALVE

#5
20250334426
2025-10-30

METHOD FOR DETECTING A POSITION OF A SIGNAL GENERATOR IN A POSITION MEASURING SYSTEM, AND POSITION MEASURING SYSTEM

#6
20250198533
2025-06-19

ROTARY SERVO VALVE

#7
20250084932
2025-03-13

VACUUM PRESSURE CONTROL SYSTEM

#8
20250003521
2025-01-02

MAGNETICALLY ACTUATED PIPE VALVE WITH TORQUE-LIMITING CLUTCH AND POSITION INDICATION

#9
20240410493
2024-12-12

APPARATUS AND METHOD FOR ENGINE CONTROL

#10
20240392889
2024-11-28

System For Monitoring The Position Of A Valve Body In A Value Unit And A Value Unit For A Coolant Circuit Of An At Least Partially Electrically Driven

#11
20240392888
2024-11-28

VALVE POSITION MONITORING APPARATUS AND METHOD

#12
20240377000
2024-11-14

Warning device for valve maintenance

#13
20240369153
2024-11-07

MAGNETICALLY ACTUATED PIPE VALVE WITH TORQUE-LIMITING CLUTCH AND POSITION INDICATION

#14
20240344631
2024-10-17

Measurement method for steam valve and measurement device for steam valve

#15
20240301964
2024-09-12

Stator Assembly and Electronic Expansion Valve with Stator Assembly

#16
20240295158
2024-09-05

Downhole Valve With Rotational Position Sensor

#17
20240288073
2024-08-29

CONTROL VALVE UNIT

#18
20240209957
2024-06-27

VALVE ARRANGEMENT, ACTUATOR ARRANGMENT AND METHODS OF DETECTING A FIRST POSITION THEREIN

#19
20240209860
2024-06-27

HYDRAULIC SYSTEM FOR A HOUSEHOLD APPLIANCE

#20
20240191810
2024-06-13

VALVE CONTROL WITH INDETERMINANT STARTING STATE

#21
20240117895
2024-04-11

Method and System for Executing Online Tests of Valve Seating Integrity for Control Valves

#22
20240093803
2024-03-21

Method for determining a position of a blocking element in a valve, a sensor system and use of a sensor system

#23
20240084914
2024-03-14

Electric valve

#24
20240052936
2024-02-15

MULTI-WAY VALVE FOR A MOTOR VEHICLE AND METHOD FOR OPERATING A MULTI-WAY VALVE FOR A MOTOR VEHICLE

#25
20240035589
2024-02-01

CONTROLLING AN ACTUATOR ON A VALVE

#26
20230375106
2023-11-23

Module for detecting the angular position of the drive shaft of a valve, valve and actuator provided with such module, and method of detecting the opening of a valve

#27
20230358333
2023-11-09

SINGLE-LEVER CARTRIDGE FOR SIGNAL GENERATION

#28
20230349486
2023-11-02

Monitoring energy use on flow controls

#29
20230313899
2023-10-05

INTEGRATION BOX AND PNEUMATIC HIGH VACUUM FLAPPER VALVE

#30
20230302318
2023-09-28

SYSTEMS AND METHODS FOR SUPERVISORY FOR VALVE

#31
20230279955
2023-09-07

ELECTRIC BALL VALVE AND METHOD FOR MANUFACTURING ELECTRIC VALVE

#32
20230265943
2023-08-24

GAS SUPPLY TAP WITH POSITION SENSOR

#33
20230258281
2023-08-17

Valve, abnormality diagnosis method of valve

#34
20230258280
2023-08-17

Valve assembly for pressurized containers

#35
20230204123
2023-06-29

Device for controlling fluid flow

#36
20230135319
2023-05-04

Hydraulic device with position sensor

#37
20230133256
2023-05-04

Adapter cap for a fire hydrant, a fire hydrant and a method for remote monitoring an open-close status of a fire hydrant

#38
20230104100
2023-04-06

METHOD FOR DETECTING A POSITION OF A SIGNAL GENERATOR IN A POSITION MEASURING SYSTEM, AND POSITION MEASURING SYSTEM

#39
20230100007
2023-03-30

SYSTEM FOR MONITORING PLUNGER MOVEMENT IN NON-ENERGIZED CONDITION IN REAL TIME

#40
20230021120
2023-01-19

INLINE, MULTI-PORT BALL VALVE

#41
20230013016
2023-01-19

VALVE HAVING A POSITION SENSING MEANS

#42
20220404183
2022-12-22

Calibrated Flow Rate Sensing and Flow Control Device

#43
20220349494
2022-11-03

Actuator and fluid control device

#44
20220316618
2022-10-06

COMPACT CONTROL VALVE

#45
20220290777
2022-09-15

Valve assembly

#46
20220282683
2022-09-08

Apparatus and method for engine control

#47
20220275963
2022-09-01

FLOWRATE DETERMINATION SYSTEM AND METHOD FOR A FLOW CONTROL VALVE

#48
20220260176
2022-08-18

Electric water diverter

#49
20220235879
2022-07-28

Position sensor for a fluid flow control device

#50
20220235866
2022-07-28

Valve body for an expansion valve

#51
20220196172
2022-06-23

Electric valve

#52
20220196163
2022-06-23

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

#53
20220136608
2022-05-05

VALVE DEVICE FOR SHUTTING OFF OR CONTROLLING A FLOW OF A FLUID

#54
20220107034
2022-04-07

Valve diagnostic and performance system

#55
20220107033
2022-04-07

System for monitoring the position of a valve needle of an expansion valve

#56
20220107032
2022-04-07

VALVE DIAGNOSTIC AND PERFORMANCE SYSTEM

#57
20220099216
2022-03-31

Electric water diverter

#58
20220082176
2022-03-17

VALVE DEVICE, FLOW CONTROL METHOD, FLUID CONTROL DEVICE, SEMICONDUCTOR MANUFACTURING METHOD, AND SEMICONDUCTOR MANUFACTURING APPARATUS

#59
20220049792
2022-02-17

Fluid distributor with improved operation

#60
20220034422
2022-02-03

AN INTEGRATED SYSTEM FOR DETERMINING PLUNGER POSITION IN A SOLENOID VALVE AND METHOD THEREFORE

#61
20220034416
2022-02-03

System And Method For Detecting Safe Operating Conditions And Maintained Integrity In A Pressure Safety Valve

#62
20220010890
2022-01-13

Continuous tilt angle indicator for a swing or tilting disk check valve

#63
20210373525
2021-12-02

DIAGNOSIS METHOD FOR A PROCESS VALVE, DIAGNOSIS MODULE AND PROCESS VALVE

#64
20210332898
2021-10-28

Backflow Prevention Device with Wireless Sensor

#65
20210332669
2021-10-28

Valve position sensing using electric and magnetic coupling

#66
20210324846
2021-10-21

Systems and methods for maintaining pool systems

#67
20210303008
2021-09-30

Fluid control apparatus, fluid control device, and operation analysis system

#68
20210270386
2021-09-02

Device for controlling fluid flow

#69
20210222794
2021-07-22

Method and system for executing online tests of valve seating integrity for control valves

#70
20210175777
2021-06-10

Compact control valve

#71
20210164205
2021-06-03

Faucet

#72
20210131586
2021-05-06

Electric Valve Actuator with Energy Harvesting Position Detector Assemblies

#73
20210131459
2021-05-06

Valve device and method for anticipating failure in a solenoid valve assembly in a manifold assembly

#74
20210086007
2021-03-25

Fire extinguishing system valve

#75
20210080011
2021-03-18

Inline, multi-port ball valve

#76
20210054949
2021-02-25

Methods and apparatus for monitoring solenoid valve health

#77
20210048047
2021-02-18

Compensating for orientation of a valve positioner on a valve assembly

#78
20210041038
2021-02-11

Arrangement with on/off valve, pneumatic actuator, magnetic valve and function monitoring device

#79
20200408327
2020-12-31

SUBSURFACE VALVE

#80
20200393060
2020-12-17

Valve, Abnormality Diagnosis Method of Valve, and Computer Program

#81
20200386344
2020-12-10

VALVE MODULE STROKE DETECTION

#82
20200309162
2020-10-01

Pilot device for a directional valve without internal cable connections

#83
20200271137
2020-08-27

Servo valve

#84
20200232580
2020-07-23

Visual positioning indicator assembly for limit switch boxes

#85
20200132217
2020-04-30

Valve position sensor including a magnetometer and gyroscope

#86
20200124205
2020-04-23

Method of adaptively sampling data to determine the start of injection in a solenoid actuated valve

#87
20200070068
2020-03-05

Pressure control device

#88
20200049278
2020-02-13

Direct-drive flexure-mechanism vacuum control valve

#89
20200041035
2020-02-06

Pinch valve with failure prediction module

#90
20200041020
2020-02-06

Electrically operated valve

#91
20190353271
2019-11-21

Electric valve

#92
20190323621
2019-10-24

Solenoid valve for irrigation systems

#93
20190283534
2019-09-19

Flow control device, and control system and control method therefor

#94
20190242495
2019-08-08

Device for detecting fluid flow

#95
20190203851
2019-07-04

Switch for diaphragm valve actuator

#96
20190193005
2019-06-27

Sensor system and implementation of the same

#97
20190186646
2019-06-20

Slam-shut safety device with an operational feedback system

#98
20190178265
2019-06-13

Servo valve

#99
20190145531
2019-05-16

Safety valve

#100
20190085875
2019-03-21

Magnetic sensor arrangement for determining a position of an actuator

#101
20190063461
2019-02-28

Refrigerant gas cooling of motor and magnetic bearings

#102
20190063049
2019-02-28

Faucet

#103
20190032814
2019-01-31

Detecting and signaling system

#104
20190024592
2019-01-24

SPRING RETURN THROTTLE ACTUATOR, METHOD OF CONTROL THEREOF AND THROTTLE ASSEMBLY

#105
20190017619
2019-01-17

Explosion proof actuator assembly and servo system

#106
20190017608
2019-01-17

PINCH VALVE SYSTEMS AND METHODS

#107
20180347713
2018-12-06

Proportional valve

#108
20180306335
2018-10-25

Variable orifice rotary valves for controlling gas flow

#109
20180299029
2018-10-18

Electrically operated valve

#110
20180298923
2018-10-18

Fluid control device and method for operating a fluid control device

#111
20180259950
2018-09-13

Valve controller and method for monitoring flow control valve

#112
20180259091
2018-09-13

CONTROL VALVE POSITIONING SYSTEM

#113
20180252333
2018-09-06

Valve assembly and limit switch assembly therefor

#114
20180245704
2018-08-30

Rotation control apparatus

#115
20180231142
2018-08-16

Housing cover sealing detection means on a valve control head

#116
20180220602
2018-08-09

Autonomous programmable plant watering device

#117
20180216751
2018-08-02

Pressure safety valve indicator

#118
20180202350
2018-07-19

Assembly for a controller with a magnetic field sensor

#119
20180172032
2018-06-21

Rotary actuator with position feedback device and process valve module

#120
20180135960
2018-05-17

Position sensor and actuator with position sensor

#121
20180135772
2018-05-17

Actuator with brushless DC motor

#122
20180119879
2018-05-03

Detection device and lubricant distributor

#123
20180106393
2018-04-19

Self-operated regulator

#124
20180087549
2018-03-29

Rotary drive having a position detection device and calibration method

#125
20180038509
2018-02-08

Valve actuating system

#126
20180031135
2018-02-01

Variable orifice rotary valves for controlling gas flow

#127
20180017169
2018-01-18

Pinch valve systems and methods

#128
20170343126
2017-11-30

Venting and/or bleeding valve

#129
20170307098
2017-10-26

Aspirated relief valve for a turbocharging system

#130
20170307093
2017-10-26

Pilot check valve

#131
20170292856
2017-10-12

Position detecting device

#132
20170276251
2017-09-28

Orifice module for flow switch system

#133
20170232285
2017-08-17

Valve monitoring

#134
20170220825
2017-08-03

Electronic counter for fluid flow tools

#135
20170184082
2017-06-29

Electrical control valve for an air conditioning compressor

#136
20170102094
2017-04-13

Automatic cylinder changeover device for monitoring gas installation

#137
20170097106
2017-04-06

Position indicator for valves

#138
20170057805
2017-03-02

Bi-stable changeover valve

#139
20170016225
2017-01-19

AIRFLOW MONITOR FOR USE WTH A VACUUM POWERED SEWER SYSTEM

#140
20160334030
2016-11-17

Off-axis position monitoring and control system and related methods

#141
20160208676
2016-07-21

Temperature control apparatus and method for an automotive cooling system

#142
20160161004
2016-06-09

Pinch valve systems and methods

#143
20160084404
2016-03-24

Method for monitoring gas installation

#144
20160040802
2016-02-11

Position indicator for valves

#145
20160017792
2016-01-21

Aspirated relief valve for a turbocharging system

#146
20150378365
2015-12-31

Methods and systems for adjusting travel sensor alignment on process control valves

#147
20150247589
2015-09-03

Flow apparatus

#148
20150204457
2015-07-23

Visual valve position indicator with wireless transmitter

#149
20150159770
2015-06-11

COMPACT METERING DEVICE

#150
20150110553
2015-04-23

Magnet carrier assembly

#151
20150107710
2015-04-23

Gas regulator

#152
20150107675
2015-04-23

Valve with actuator diagnostics

#153
20150075652
2015-03-19

Rotary valve position indicator

#154
20150053283
2015-02-26

Off-axis position monitoring and control system and related methods

#155
20150039142
2015-02-05

Configurable switch emulator module

#156
20150034848
2015-02-05

Switching module for a valve controller

#157
20140183315
2014-07-03

Magnet holder for use in a throttle position sensor, a magnet holder for use in an angular position sensor, and methods for manufacturing them

#158
20140182686
2014-07-03

Continuous magnetic motion position indicator

#159
20140090393
2014-04-03

Minimum pressure and shutoff valve

#160
20140000732
2014-01-02

Valve assembly with valve position indicator

#161
20130340428
2013-12-26

Variable flow valve for turbochargers

#162
20130334446
2013-12-19

Variable orifice rotary valves for controlling gas flow

#163
20130314239
2013-11-28

Position indicator for valves

#164
20130277592
2013-10-24

Fluidic control element with rounded shaft

#165
20130233416
2013-09-12

Control head for a fluid-actuated valve

#166
20130206258
2013-08-15

Valve with position sensor

#167
20130153036
2013-06-20

Gas valve with electronic proof of closure system

#168
20130147466
2013-06-13

Apparatus and method for controlling actuator that controls opening and closing of intake valve

#169
20130092863
2013-04-18

Valve control device

#170
20130074938
2013-03-28

Faucet with a monitoring device and a monitoring method thereof

#171
20130068974
2013-03-21

Rotary position sensor with buffer

#172
20130042933
2013-02-21

METHODS AND APPARATUS TO DETERMINE A POSITION OF A VALVE

#173
20130021123
2013-01-24

Enclosed proximity switch assembly

#174
20120247129
2012-10-04

Method and apparatus for measuring expansion valve diaphragm stroke

#175
20120199770
2012-08-09

Hydraulic valve device with associated spool displacement transducer

#176
20120153633
2012-06-21

Electropneumatic field device

#177
20120056115
2012-03-08

Fluid actuated valve with hall position sensor

#178
20120001111
2012-01-05

Valve control apparatus

#179
20110290332
2011-12-01

Rotary valve position indicator device and method for indicating the position of a rotary valve

#180
20110260085
2011-10-27

Solenoid Valve With Sensor For Determining Stroke, Velocities And/Or Accelerations Of A Moveable Core Of The Valve As Indication Of Failure Modus And Health Status

#181
20110247484
2011-10-13

Actuating drive for positioning a final control element and method for capturing a position of the final control element

#182
20110148399
2011-06-23

Encoder using magnet drop out feature for theft detection

#183
20110120577
2011-05-26

Nuclear grade air accumulation, indication and venting device

#184
20110095215
2011-04-28

Fuel supply unit

#185
20110088801
2011-04-21

Automatic fluid spill prevention and shut off safety valve

#186
20110057131
2011-03-10

Manually operable drive module

#187
20110050373
2011-03-03

Adjustable magnetic target

#188
20100224810
2010-09-09

Sprinkler valve test and control device and method thereof

#189
20100199506
2010-08-12

Device for mechanically locating and reading the setting of an adjustable valve

#190
20100155632
2010-06-24

Valve controller

#191
20100096023
2010-04-22

PRESSURE SURGE SENSOR AND ASSEMBLY INCLUDING SUCH A SENSOR AND A RUPTURE DISC

#192
20100095744
2010-04-22

Leak detector

#193
20090236551
2009-09-24

Valve device

#194
20090189102
2009-07-30

Valve Assemblies and Parts Therefor

#195
20090126801
2009-05-21

Wireless irrigation control

#196
20090114036
2009-05-07

Use of Reed Switch and Magnet to Detect Movement of Faucet Handle

#197
20090108219
2009-04-30

Zone valve actuator

#198
20090008583
2009-01-08

Method for mounting a valve, and a valve

#199
20080296804
2008-12-04

SHAFT PROVIDED WITH A MAGNET FOR AN AIR FLOW RATE ADJUSTMENT VALVE IN AN INTERNAL COMBUSTION ENGINE

#200
20080290974
2008-11-27

Proportional solenoid with armature motion sensing

#201
20080121831
2008-05-29

Rotational angle sensors and throttle devices

#202
20080092960
2008-04-24

VALVE SYSTEM WITH POSITION SENSOR

#203
20080078462
2008-04-03

Valve controller

#204
20080061769
2008-03-13

Apparatus to determine the position of an actuator

#205
20070290677
2007-12-20

Displacement measurement device

#206
20070209716
2007-09-13

Connection state sensing for coupling device

#207
20070194259
2007-08-23

Control system for flow adjusting valve

#208
20070012288
2007-01-18

Throttle valve control apparatus of internal combustion engine and automobile using the same

#209
20060272710
2006-12-07

Device and method for pneumatic valve control

#210
20060272615
2006-12-07

Throttle valve control apparatus of internal combustion engine and automobile using the same

#211
20060220565
2006-10-05

Device for locking out a pressurized storage container and method for the same

#212
20060208842
2006-09-21

Mobile member speed sensor

#213
20060145112
2006-07-06

Proportional directional control valve with a magnetic positioning sensor

#214
20060130908
2006-06-22

Valve body assembly with electronic switching

#215
20050236493
2005-10-27

Anti-scald water valve assembly

#216
20050156554
2005-07-21

System and device for regulating the position of a drivable component and drive therefor

#217
20050127314
2005-06-16

Proportional directional control valve with a magnetic positioning sensor

#218
20050126307
2005-06-16

Fuel dispenser fuel meter error detection device, system and method

#219
20050028871
2005-02-10

Intake air control apparatus for an engine

#220
20050028610
2005-02-10

Fuel dispenser fuel flow meter device, system and method

#221
17160333
2022-05-31

Inductive switching valve

#222
15810865
2018-10-23

Anti-backlash valve positioner