ClassID:

152570

F16K37/0083 - 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; For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters

Recent Application in this class:
#1
20260146680
2026-05-28

VALVE CONDITION DIAGNOSIS DEVICE AND CONDITION DIAGNOSIS METHOD

#2
20260139764
2026-05-21

THERMAL MANAGEMENT ASSEMBLY FOR A MULTIPORT ROTARY VALVE ASSEMBLY

#3
20260139761
2026-05-21

VALVE TIGHTENING ASSEMBLY FOR MULTIPORT ROTARY VALVES

#4
20260139760
2026-05-21

INDICATOR DEVICE AND METHOD OF USING THE SAME

#5
20260139748
2026-05-21

IMPROVED MULTIPORT ROTARY VALVE ASSEMBLY

#6
20260132867
2026-05-14

VIBRATION-BASED HEALTH MONITORING SYSTEM FOR VALVES OF A GAS DELIVERY SYSTEM

#7
20260126130
2026-05-07

VALVE FAULT DETECTION METHOD AND APPARATUS

#8
20260126127
2026-05-07

HYDRAULIC OR PNEUMATIC ACTUATOR FOR TRIP VALVES OF STEAM TURBINES OR TURBO-EXPANDERS

#9
20260110370
2026-04-23

SYSTEMS AND METHODS FOR AUTONOMOUS PRESSURE RELIEF VALVE TESTING

#10
20260104107
2026-04-16

METHOD AND DEVICE

#11
20260104106
2026-04-16

SMART VALVE MONITORING SYSTEM AND METHOD

#12
20260078842
2026-03-19

METHOD FOR CALCULATING WEAR AMOUNT BETWEEN ENGINE VALVE AND VALVE SEAT AND RELATED DEVICE

#13
20260073736
2026-03-12

PREDICTION DEVICE, PREDICTION METHOD, AND PREDICTION PROGRAM

#14
20260071585
2026-03-12

DIAGNOSTIC METHOD AND DIAGNOSTIC DEVICE FOR GAS FLOW CONTROL VALVE OF INTERNAL COMBUSTION ENGINE

#15
20260049903
2026-02-19

ACTUATOR APPARATUS, METHOD AND ELECTRONIC MONITORING DEVICE FOR MONITORING AN OPERATIONAL RELATIONSHIP BETWEEN A TRIGGER SIGNAL AND A CHECK SIGNAL

#16
20260049673
2026-02-19

ACTUATOR DEVICE, METHOD AND ELECTRONIC MONITORING DEVICE FOR MONITORING AN OPERATIONAL RELATIONSHIP BETWEEN A TRIGGERING OF A SWITCHING FUNCTION AND A CHECK SIGNAL

#17
20260029068
2026-01-29

MEASURING DEVICE

#18
20260007916
2026-01-08

Solenoid Supervisory System

#19
20260002644
2026-01-01

DEVICES, SYSTEMS AND METHODS FOR DETECTING LEAKS AND MEASURING USAGE

#20
20260002592
2026-01-01

ROTARY BEARING MAINTENANCE INDICATION

#21
20250389345
2025-12-25

DETECTING PASSING VALVES

#22
20250389339
2025-12-25

CHECK VALVE

#23
20250369833
2025-12-04

METHODS, INTERNET OF THINGS (IOT) SYSTEMS, AND STORAGE MEDIA FOR MAINTENANCE MANAGEMENT OF AUXILIARY COMPONENTS BASED ON SMART GAS

#24
20250361951
2025-11-27

Detecting Passing Valves

#25
20250354626
2025-11-20

CONTROL VALVES WITH ADJUSTABLE VALVE PACKING AND PACKING HEALTH DETERMINATION SYSTEMS

#26
20250354625
2025-11-20

TOUCHLESS UTILITY CONTROLLER

#27
20250354622
2025-11-20

Valve Actuator Device for Fluid Flow Control

#28
20250305910
2025-10-02

VALVE TESTER

#29
20250277530
2025-09-04

PRESS TO SPECIFICATION SOLENOID VALVE ASSEMBLY

#30
20250271074
2025-08-28

BUTTERFLY VALVE CONTROL METHOD AND DEVICE

#31
20250271006
2025-08-28

METHODS AND SYSTEMS OF FAILURE PROTECTION FOR AUTOMATED VALVES

#32
20250224048
2025-07-10

DETECTING PASSING VALVES

#33
20250189058
2025-06-12

CONTROL VALVES WITH ADJUSTABLE VALVE PACKING

#34
20250180440
2025-06-05

METHODS, INTERNET OF THINGS (IOT) SYSTEMS, AND STORAGE MEDIA FOR SAFETY MONITORING OF SMART GAS AUXILIARY COMPONENTS

#35
20250180431
2025-06-05

A METHOD OF EVALUATING SEAL PROPERTIES OF AN ELASTOMERIC SEAL OR PLASTIC SEAL ON A VALVE ELEMENT OR A VALVE SEAT AND A HYDRAULIC ARRANGEMENT

#36
20250180140
2025-06-05

MONITORING SPRING RETURN ACTUATORS

#37
20250164033
2025-05-22

A CONTROL VALVE DIAGNOSTICS SYSTEM UTILIZING G-FORCE AND VALVE POSITION MEASUREMENT SENSORS INSIDE VALVE POSITIONER

#38
20250147103
2025-05-08

SOLENOID FAULT DETECTION

#39
20250130115
2025-04-24

SENSOR CLAMP FOR A WATER SUPPLY MONITORING SYSTEM

#40
20250122951
2025-04-17

SYSTEMS AND METHODS FOR DETERMINING VALVE FLUTTER

#41
20250116346
2025-04-10

ELECTRIC VALVE CONTROL DEVICE, ELECTRIC VALVE DEVICE, AND METHOD FOR CONTROLLING ELECTRIC VALVE

#42
20250092962
2025-03-20

DETERMINATION OF THE FUNCTIONALITY OF A CLOSED LOOP CONTROL VALVE OF AN APPARATUS FOR FILLING CONTAINERS

#43
20250084931
2025-03-13

MONITORING SYSTEM AND METHOD FOR ENERGIZED SOLENOID VALVES MOUNTED IN CLOSE PROXIMITY TO ONE ANOTHER

#44
20250067343
2025-02-27

BACK FLOW VALVE

#45
20250067036
2025-02-27

PROGRAMMABLE FLUSH VALVE CONTROLLER

#46
20250052339
2025-02-13

Device and Method for Anticipating Failure in a Solenoid Pilot Operated Control Valve for a Fieldbus Manifold Assembly

#47
20250052338
2025-02-13

VALVE TESTING

#48
20250052337
2025-02-13

METHOD AND SYSTEM FOR OPERATING ACTUATORS

#49
20250018636
2025-01-16

APPARATUS AND METHOD FOR FORMING PLASTIC PREFORMS INTO PLASTIC CONTAINERS WITH WEAR CHECK OF VALVES

#50
20250003524
2025-01-02

SOLENOID VALVE MONITOR USING HALL EFFECT SENSORS

#51
20240426396
2024-12-26

PNEUMATIC VALVE ARRANGEMENT

#52
20240426395
2024-12-26

REMOTE EVALUATION OF HYDRAULIC VALVES

#53
20240418294
2024-12-19

JAM DETECTION SYSTEM

#54
20240401435
2024-12-05

SYSTEMS AND METHODS FOR CONDITION MONITORING OF TOP DRIVE INTERNAL BLOWOUT PREVENTER VALVES

#55
20240384813
2024-11-21

Method and Device for Measuring Valve Characteristic Parameters

#56
20240377000
2024-11-14

Warning device for valve maintenance

#57
20240376999
2024-11-14

PREDICTIVE MAINTENACE METHOD AND SYSTEM

#58
20240376998
2024-11-14

METHOD FOR DETECTING AND QUANTIFYING VALVE STICTION IN PROCESS CONTROL LOOPS

#59
20240376800
2024-11-14

SYSTEM AND METHOD FOR DETERMINING VALVE OPENING AND CLOSING POSITIONS IN A DOWNHOLE CARD

#60
20240369156
2024-11-07

A DEVICE FOR MONITORING OPERATION OF A SOLENOID VALVE AND A METHOD FOR MONITORING OPERATION OF A SOLENOID VALVE

#61
20240360921
2024-10-31

AUTO BIT CHECK FOR PNEUMATIC VALVE VERIFICATION

#62
20240360920
2024-10-31

SOUND QUALITY EVALUATION METHOD AND SOUND QUALITY EVALUATION DEVICE FOR WASTEGATE VALVE

#63
20240328537
2024-10-03

METHODS AND APPARATUS FOR POWER SELECTION

#64
20240328536
2024-10-03

Emergency isolation valve control design

#65
20240328535
2024-10-03

TOUCHLESS UTILITY CONTROLLER

#66
20240318744
2024-09-26

Valve Assembly Configured for Position and Control Within a Fluid Line

#67
20240301967
2024-09-12

ABNORMALITY DETECTION SYSTEM, DETERMINATION DEVICE, ABNORMALITY DETECTION METHOD, DETERMINATION METHOD, AND PROGRAM

#68
20240288092
2024-08-29

SYSTEMS AND METHODS FOR LOCKING-IN AN OPERATIVE POSITION OF A VALVE

#69
20240274307
2024-08-15

Quick connect valve testing and tune-up setup for valves at a nuclear power plant

#70
20240247735
2024-07-25

DETECTION OF SAFE ACTIVATION OF SHUTDOWN VALVES AND BLOWDOWN VALVES

#71
20240240731
2024-07-18

Ball valve with monitoring chamber

#72
20240229968
2024-07-11

METHOD FOR COMPENSATING FOR TOLERANCES, PLAY AND ELASTICITY IN A MOTOR-DRIVEN HYDRAULIC VALVE

#73
20240219901
2024-07-04

INFORMATION PROCESSING SYSTEM, TRANSMISSION SYSTEM, INFORMATION PROCESSING METHOD, AND VALVE SYSTEM

#74
20240218940
2024-07-04

Utilizing elastic sensing elements as a monitoring technique for early fault detection of control valve diaphragm failure

#75
20240200688
2024-06-20

METHOD FOR CALIBRATING AN ELECTRONIC EXPANSION VALVE WITHIN A THERMAL MANAGEMENT DEVICE FOR A MOTOR VEHICLE

#76
20240191813
2024-06-13

MULTIFUNCTIONAL ELECTRO-HYDRAULIC FLOW CONTROL VALVE AND FLOW CONTROL METHOD

#77
20240191812
2024-06-13

Valve Actuator Device for Fluid Flow Control

#78
20240175519
2024-05-30

Systems And Methods To Detect And Monitor Valve Positioning In A Water Pipe Distribution System

#79
20240167583
2024-05-23

METHODS AND APPARATUS TO ANALYZE VALVE CHARACTERISTICS

#80
20240167582
2024-05-23

METHODS AND APPARATUS TO ANALYZE VALVE CHARACTERISTICS

#81
20240159327
2024-05-16

METHODS AND SYSTEMS PROVIDING OPERATIONAL SURVEILLANCE OF VALVES USED IN INDUSTRIAL APPLICATIONS

#82
20240151184
2024-05-09

METHOD OF DETERMINING AN OPERATING CONDITION OF A VALVE OF AN AIRCRAFT SYSTEM

#83
20240133485
2024-04-25

METHOD FOR COMPENSATING FOR TOLERANCES, PLAY AND ELASTICITY IN A MOTOR-DRIVEN HYDRAULIC VALVE

#84
20240117895
2024-04-11

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

#85
20240102578
2024-03-28

METHOD OF OPERATING A DIAPHRAGM VALVE AND DIAPHRAGM VALVE

#86
20240102388
2024-03-28

Valve position control

#87
20240077850
2024-03-07

Valve Degradation Detection via Stroke Time Analysis

#88
20240060574
2024-02-22

DIAGNOSTIC METHOD, DIAGNOSTIC DEVICE AND PROCESS VALVE ASSEMBLY

#89
20240052978
2024-02-15

A system for checking the functionality of a pressure relief valve

#90
20240052949
2024-02-15

Operating Method for a Valve System, Computer Program Product, Control Unit, Valve Actuating Apparatus, Valve System and Simulation Program Product

#91
20240052948
2024-02-15

VALVE CONTROL DEVICE, PROCESS ENGINEERING PLANT HAVING A VALVE CONTROL DEVICE, DIAGNOSTIC METHOD AND USE OF A VALVE CONTROL DEVICE

#92
20240044420
2024-02-08

Systems and Methods for Autonomous Pressure Relief Valve Testing

#93
20240044416
2024-02-08

Systems and Methods for Determining Set Pressure and Lift of a Spring-Operated Relief Valve

#94
20240037291
2024-02-01

STICTION CONTROL SYSTEM AND METHOD FOR CONVENTIONAL VALVES

#95
20240035585
2024-02-01

Modular Valve Assemblies with Optional Swing Out

#96
20240019044
2024-01-18

METHOD OF MONITORING A STATE OF A COMPONENT AND/OR A PROCESS VALUE, AND PROCESS VALVE

#97
20230400121
2023-12-14

Remote fault monitoring system for electric valve

#98
20230392713
2023-12-07

Method for operating a valve and an operating key system

#99
20230392712
2023-12-07

Pneumatically-operated emergency isolation valve switchover kit

#100
20230349486
2023-11-02

Monitoring energy use on flow controls

#101
20230341068
2023-10-26

Diagnostic Valve Island

#102
20230341067
2023-10-26

VALVE SYSTEM AND METHOD

#103
20230332716
2023-10-19

Sensing arrangement for valves

#104
20230304603
2023-09-28

Testing the operability of a safety valve for a safety case

#105
20230304593
2023-09-28

Burst disc systems

#106
20230287988
2023-09-14

Pneumatically controlled valve unit, valve system, and method of operating a valve unit

#107
20230279966
2023-09-07

SPRING FRACTURE DETECTION IN A PRELOADED ACTUATOR OF A CONTROL VALVE

#108
20230279822
2023-09-07

Throttle control system and throttle control method

#109
20230258530
2023-08-17

Device and Method for Testing Vessel Pressure Relief Valves

#110
20230250893
2023-08-10

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

#111
20230249018
2023-08-10

SOLENOID SUPERVISORY SYSTEM

#112
20230220929
2023-07-13

VALVE FAULT DETECTION METHOD AND APPARATUS

#113
20230213116
2023-07-06

Valve actuator device for fluid flow control

#114
20230213115
2023-07-06

DETECTING NOISE ON FLOW CONTROLS

#115
20230213100
2023-07-06

Actuator for Gate Valve and Method of Attachment

#116
20230204128
2023-06-29

DIAGNOSIS APPARATUS, DIAGNOSIS METHOD, AND DIAGNOSIS PROGRAM FOR VALVE SYSTEM

#117
20230160491
2023-05-25

Electric field device

#118
20230152263
2023-05-18

Driving device provided with piezoelectric element deterioration detection circuit and deterioration detection method

#119
20230151906
2023-05-18

Sub-surface safety valve (SSSV) advisory system-autonomous SSSV troubleshooting device

#120
20230140627
2023-05-04

Method for remote estimation of the hydrant water pressure at a hydrant and a hydrant water pressure estimation system

#121
20230136636
2023-05-04

Solenoid valve control device

#122
20230133758
2023-05-04

Aircraft drainage valve, tool for checking the correct operation of said drainage valve and method for checking the operation of said drainage valve using said checking tool

#123
20230122668
2023-04-20

Testing control valves in the field

#124
20230121412
2023-04-20

PNEUMATICALLY-OPERATED EMERGENCY ISOLATION VALVE SWITCHOVER KIT

#125
20230112289
2023-04-13

ASSEMBLY COMPRISING A VALVE AND AT LEAST ONE CONNECTOR

#126
20230094715
2023-03-30

Position sensor feedback for hydraulic pressure driven interval control valve movement

#127
20230092572
2023-03-23

Valve arrangement and method

#128
20230085709
2023-03-23

INDUSTRIAL RECHARGEABLE WIRELESS SOLENOID VALVE SYSTEM

#129
20230048892
2023-02-16

Device and method for anticipating failure in a solenoid pilot operated control valve for a fieldbus manifold assembly

#130
20230046464
2023-02-16

EVALUATION SYSTEM AND METHOD

#131
20230003318
2023-01-05

Valve for adjusting a fluid flow and methods for use in connection with such a valve

#132
20230003317
2023-01-05

Electric control valve detection device and electric control valve signal detection method

#133
20220413454
2022-12-29

Valve state grasping system, display device and rotary valve, valve state grasping program, recording medium, and valve state grasping method

#134
20220412483
2022-12-29

Differential pressure loss valve

#135
20220412482
2022-12-29

Process valve apparatus and method

#136
20220404230
2022-12-22

DEVICES, SYSTEMS AND METHODS FOR DETECTING LEAKS AND MEASURING USAGE

#137
20220404227
2022-12-22

Devices, systems and methods for detecting leaks and measuring usage

#138
20220403951
2022-12-22

Devices, systems and methods for detecting leaks and measuring usage

#139
20220390324
2022-12-08

Establishing termination criteria for a partial-stroke test of a fluid driven safety valve, and determining the proper functioning of a fluid driven safety valve

#140
20220381360
2022-12-01

Pilot-operated relief valve assembly

#141
20220373100
2022-11-24

Data retrieval, event recording and transmission module connectable to safety and relief valves

#142
20220357754
2022-11-10

Flow control smart valve and flow control system using same

#143
20220356962
2022-11-10

STICK SLIP DETECTION SYSTEM AND METHOD

#144
20220356961
2022-11-10

MONITORING SPRING RETURN ACTUATORS

#145
20220333714
2022-10-20

Valve positioner and diagnostic method

#146
20220331633
2022-10-20

Fire fighting systems and methods

#147
20220299132
2022-09-22

Actuator assembly for conducting partial stroke testing

#148
20220268370
2022-08-25

Methods and apparatus for power selection

#149
20220235880
2022-07-28

Partial stroke tests for shutdown valves

#150
20220235877
2022-07-28

Mechanical overfill prevention valve insertable within a fill pipe

#151
20220235787
2022-07-28

Estimation device, vacuum valve, and vacuum pump

#152
20220228945
2022-07-21

VALVE SEAL ASSEMBLIES, VALVE TESTING MACHINES INCLUDING THE SAME, AND ASSOCIATED METHODS

#153
20220178469
2022-06-09

TECHNIQUES FOR DETERMINING VALVE STATE AND MATERIAL PRESENCE/ABSENCE UTILIZING NON-CONTACT ACOUSTICS

#154
20220178468
2022-06-09

VALVE WITH CAPABILITY TO SELF-ANTICIPATE FAILURE

#155
20220178467
2022-06-09

Valve testing

#156
20220165594
2022-05-26

Vacuum valve, method of controlling vacuum valve, and estimation device

#157
20220163983
2022-05-26

Fluid control apparatus, fluid control method, and program recording medium in which program for fluid control apparatus is recorded

#158
20220158507
2022-05-19

Coil component and electronic expansion valve with coil component

#159
20220154845
2022-05-19

Valve position indicators

#160
20220154833
2022-05-19

MULTI-PORT ROTARY SLIDE VALVE

#161
20220154602
2022-05-19

VALVE POSITION CONTROL

#162
20220146016
2022-05-12

System and method for monitoring and diagnostics of an actuator device for actuation of a valve for fluid pipelines, and actuator device forming part of this system

#163
20220129019
2022-04-28

Water output device and control method

#164
20220128171
2022-04-28

Activating trip functions of a safety valve positioner by way of a control panel to achieve a safe state

#165
20220128163
2022-04-28

Vibration release system for pipeline items

#166
20220112961
2022-04-14

In-line testing of pressure safety valves

#167
20220107034
2022-04-07

Valve diagnostic and performance system

#168
20220082179
2022-03-17

Measuring system, slide valve comprising such a measuring system, and method for measuring the position of a slide valve

#169
20220065364
2022-03-03

AIR RELEASE VALVE MONITORING SYSTEMS AND METHODS

#170
20220065362
2022-03-03

Electropneumatic solenoid valve, field device having solenoid valve and diagnostic method for electropneumatic solenoid valve

#171
20220041194
2022-02-10

SENSING METHOD, SYSTEM AND ASSEMBLY FOR RAILWAY ASSETS

#172
20220034424
2022-02-03

Method of diagnosing a valve, diagnosis module, and valve

#173
20220034420
2022-02-03

Method for controlling a magnetic valve and method for dispensing or aspirating a volume of liquid as well as corresponding dispenser/pipetting apparatus

#174
20220034416
2022-02-03

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

#175
20220025878
2022-01-27

Diaphragm pump leak detection

#176
20220018460
2022-01-20

Method and apparatus for diagnosing abnormal state of valve

#177
20220003335
2022-01-06

Method for operating a valve, associated electronic control unit, and valve drive

#178
20210404577
2021-12-30

Diagnostic device and method for solenoid valves

#179
20210394002
2021-12-23

Fire truck valve checker system and method

#180
20210388921
2021-12-16

Method for determining a switching state of a valve, and solenoid valve assembly

#181
20210381620
2021-12-09

Method for determining a switching state of a valve, and solenoid valve assembly

#182
20210381613
2021-12-09

Valve control assembly

#183
20210356054
2021-11-18

Valve position sensing using acoustics

#184
20210332894
2021-10-28

Flexible laminate structure with integrated one-way valve

#185
20210310582
2021-10-07

Method for determining the degree of wear of a valve, and apparatus for carrying out said method

#186
20210302053
2021-09-30

Systems and methods for characterizing variable-air-volume (VAV) valves for use in HVAC systems

#187
20210293354
2021-09-23

Method for monitoring fire-fighting system valve with sensor arranged outside the valve

#188
20210285566
2021-09-16

Sensors for valve systems, valve systems including sensors and related methods

#189
20210278013
2021-09-09

Method for verifying the operability of a safety valve

#190
20210277746
2021-09-09

INSTRUMENTATION SYSTEM FOR DETERMINING RISK FACTORS

#191
20210262579
2021-08-26

Systems and methods for determining set pressure and lift of a spring-operated relief valve

#192
20210254750
2021-08-19

Diagnosis of possible causes of changes in a control valve

#193
20210254746
2021-08-19

Portable valve operating device for use in exercising valves

#194
20210247268
2021-08-12

Valve diagnosis apparatus, valve apparatus, and valve diagnosis method

#195
20210231231
2021-07-29

PINCH VALVE MONITORING

#196
20210223804
2021-07-22

Thermostatic cartridge

#197
20210222794
2021-07-22

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

#198
20210215341
2021-07-15

Control circuit for an electromagnetic valve, gas burning system, method for monitoring a switching state of an electromagnetic valve and method for operating a gas burning system

#199
20210205646
2021-07-08

Solenoid supervisory system

#200
20210199214
2021-07-01

System for testing a valve

#201
20210199103
2021-07-01

Diaphragm pump leak detection

#202
20210190101
2021-06-24

Actuator calibration based on a fluid level of a fluid tank

#203
20210131459
2021-05-06

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

#204
20210095777
2021-04-01

Safety valve

#205
20210054790
2021-02-25

Turbine speed detection and use

#206
20210054789
2021-02-25

Turbine control system

#207
20210054765
2021-02-25

Valve position control

#208
20210054741
2021-02-25

Turbine diagnostics

#209
20210041038
2021-02-11

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

#210
20210033214
2021-02-04

Valve abnormality detecting device and method

#211
20210003231
2021-01-07

Monitoring an operating state of a valve

#212
20200400245
2020-12-24

Flexible laminate structure with integrated one-way valve

#213
20200386654
2020-12-10

Test device and test method for dynamic characteristics of spring-loaded safety valve

#214
20200378526
2020-12-03

Position sensors for valve systems and related assemblies, systems and methods

#215
20200326016
2020-10-15

Device for activity test of extraction check valve

#216
20200292089
2020-09-17

Valve control assembly

#217
20200284685
2020-09-10

Valve test connection

#218
20200271236
2020-08-27

Bonnet vent attachment

#219
20200232487
2020-07-23

Method for ascertaining the movement of an armature of an electric intake valve

#220
20200224790
2020-07-16

Vacuum valve having temperature sensor

#221
20200224684
2020-07-16

Actuating system for a valve

#222
20200224594
2020-07-16

Apparatus and method for controlling and monitoring an electro-hydraulic servovalve

#223
20200217894
2020-07-09

Diagnostic device and method for solenoid valves

#224
20200182376
2020-06-11

Automated disconnecting of safety valves in a gas distribution system

#225
20200173678
2020-06-04

PARTIAL STROKE TEST FOR A VALVE

#226
20200158260
2020-05-21

Differential pressure loss valve

#227
20200149948
2020-05-14

Injector pressure calibration system and method

#228
20200149655
2020-05-14

Methods and systems for monitoring health of a valve

#229
20200147632
2020-05-14

Sticking elimination method for and structure of the water control valve of a water spraying timer

#230
20200132222
2020-04-30

Vacuum valve with acoustic sensor

#231
20200131927
2020-04-30

System and method for detecting deterioration of a control valve

#232
20200124457
2020-04-23

Predictive diagnostics systems and methods using vacuum pressure control valves

#233
20200124206
2020-04-23

Locally-actuated partial stroke testing system

#234
20200124198
2020-04-23

Electronic valve actuator with predictive self-calibrating torque controller

#235
20200124064
2020-04-23

Flow rate regulating valve and fluid control apparatus using the same

#236
20200124063
2020-04-23

Shut-off valve control device, shut-off valve control system, method for calculating shut-off valve control coefficient, and method for controlling shut-off valve

#237
20200116024
2020-04-16

Method and system for a component lifetime counter

#238
20200103042
2020-04-02

Pilot-operated relief valve assembly

#239
20200072373
2020-03-05

Valve assembly with pressure disturbance rejection and fault detection and diagnosis

#240
20200063892
2020-02-27

METHOD FOR PREDICTING VALVE LEAKAGE

#241
20200063891
2020-02-27

Vacuum valve system for a regulated operation of a vacuum process

#242
20200063890
2020-02-27

Valve position control

#243
20200063548
2020-02-27

Rig management system for analyzing a pump valve of a hydraulic fracturing system

#244
20200056792
2020-02-20

Determination of hydronic valve opening point

#245
20200056717
2020-02-20

Valve actuation conversion kit

#246
20200049276
2020-02-13

Methods of determining a force associate with a valve system

#247
20200041035
2020-02-06

Pinch valve with failure prediction module

#248
20200033894
2020-01-30

Valve control device, valve control system, valve control coefficient calculation method, and valve control method

#249
20200011451
2020-01-09

Partial stroke tests for shutdown valves

#250
20200004276
2020-01-02

Electric valve including manual override

#251
20190368632
2019-12-05

EVENT MONITORING SOLENOID ACTUATOR, SYSTEM, AND METHOD

#252
20190368631
2019-12-05

Method for monitoring a mechanical system

#253
20190366663
2019-12-05

Method of detecting tire mold bladder leakage by smell

#254
20190353277
2019-11-21

Fault prediction in valve systems through Bayesian framework

#255
20190346490
2019-11-14

Fingerprinting of fluid injection devices

#256
20190293205
2019-09-26

Detecting maintenance statuses of valves

#257
20190293201
2019-09-26

Target opening degree estimator and pressure adjustment vacuum valve

#258
20190286171
2019-09-19

Flow Measurement In Valves With Thermal Correction

#259
20190265310
2019-08-29

Power detection system for valve actuators

#260
20190264832
2019-08-29

Erosion monitoring system

#261
20190249798
2019-08-15

Determining the operability of a fluid driven safety valve

#262
20190242496
2019-08-08

Methods and apparatus to validate valve position parameters

#263
20190242493
2019-08-08

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

#264
20190234232
2019-08-01

Method for managing a breakdown of a turbine engine starter valve

#265
20190232097
2019-08-01

Valve assembly

#266
20190226926
2019-07-25

Measuring deformation of a compression spring to monitor performance of a safety valve

#267
20190226601
2019-07-25

VALVE CONTROLLER

#268
20190211851
2019-07-11

Method and system for monitoring health of a hydraulic fluid subsystem

#269
20190203966
2019-07-04

Flow device and control system and methods for HVAC system monitoring

#270
20190195390
2019-06-27

Method for determining the degree of wear of a valve, and apparatus for carrying out said method

#271
20190195389
2019-06-27

Valve module with wireless energy-transfer unit

#272
20190195249
2019-06-27

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

#273
20190178416
2019-06-13

Method for actuating a valve device on the basis of a characteristic curve

#274
20190178415
2019-06-13

Valve electronics and valve arrangement

#275
20190154064
2019-05-23

Actuating Mechanism, Control Valve And Valve Control System

#276
20190145544
2019-05-16

Control valve monitoring system

#277
20190138037
2019-05-09

Valve system with a pressure sensing displacement member

#278
20190113910
2019-04-18

Diagnostic method for a positioning device and positioning device with a diagnostic device

#279
20190085875
2019-03-21

Magnetic sensor arrangement for determining a position of an actuator

#280
20190078965
2019-03-14

Valve operator including a fugitive emissions detector, and a method of detecting fugitive emissions from an industrial valve

#281
20190072200
2019-03-07

Electric valve and control method therefor

#282
20190049930
2019-02-14

SMART SOLENOID VALVE AND METHOD, SYSTEM, SOFTWARE, USER INTERFACE THEREOF

#283
20190032814
2019-01-31

Detecting and signaling system

#284
20190017627
2019-01-17

Determining and accounting for wear on a valve

#285
20190017626
2019-01-17

USING SHORT-RANGE WIRELESS CONNECTIVITY TO TRANSMIT DATA FROM A VALVE ASSEMBLY

#286
20180364116
2018-12-20

Systems and methods for using calibration profiles in valve actuators

#287
20180356198
2018-12-13

Stem nut thread wear analysis apparatus and method

#288
20180335790
2018-11-22

Apparatus and methods to characterize fluid control valves

#289
20180335158
2018-11-22

Multidirectional vent limiting devices for use with fluid regulators

#290
20180299029
2018-10-18

Electrically operated valve

#291
20180283221
2018-10-04

Actuator spring lifetime supervision module for a valve and actuator monitoring system

#292
20180268978
2018-09-20

Control unit and method for monitoring the function of an electromagnetic actuator

#293
20180266584
2018-09-20

Data-driven unsupervised algorithm for analyzing sensor data to detect abnormal valve operation

#294
20180266198
2018-09-20

System and method for monitoring the state of a choke valve in a managed pressure drilling system

#295
20180259589
2018-09-13

Power detection system for valve actuators

#296
20180252752
2018-09-06

Fingerprinting of fluid injection devices

#297
20180252612
2018-09-06

DRAINPIPE TEST PLUG WITH EXTERNAL VALUE AND GAUGE

#298
20180252333
2018-09-06

Valve assembly and limit switch assembly therefor

#299
20180245712
2018-08-30

Setup of valve controller

#300
20180238467
2018-08-23

SYSTEM AND METHODS FOR OPERATION OF A BLOWOUT PREVENTOR SYSTEM