ClassID:

152567

F16K37/0058 - 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 Optical means, e.g. light transmission, observation ports

Recent Application in this class:
#1
20260117877
2026-04-30

THERMAL INSULATING VALVE HANDLE WITH MEMORY STOP AND LOCKING MECHANISM

#2
20260092649
2026-04-02

VALVE APPARATUS

#3
20260078841
2026-03-19

CHECK VALVE HAVING A STATE INDICATION SYSTEM

#4
20260071692
2026-03-12

Gate Valve Position Indicators

#5
20260000059
2026-01-01

FLOW CONTROL VALVE

#6
20250347358
2025-11-13

VISUAL IDENTIFICATION OF STATUS OF STORAGE CONTAINER VALVE

#7
20250346174
2025-11-13

SYSTEMS AND METHODS FOR VENTING TANKS TO ENHANCE TRANSPORTING ASPHALT

#8
20250271079
2025-08-28

VALVE STATUS INDICATION DEVICE

#9
20250180139
2025-06-05

VALVE ASSEMBLY

#10
20250084932
2025-03-13

VACUUM PRESSURE CONTROL SYSTEM

#11
20250027579
2025-01-23

VALVE HAVING INTEGRATED SENSOR AND STABILIZED ELECTRICAL CONNECTION

#12
20250018636
2025-01-16

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

#13
20250003523
2025-01-02

FLUSH VALVE POSITION DETECTION

#14
20240426396
2024-12-26

PNEUMATIC VALVE ARRANGEMENT

#15
20240392545
2024-11-28

SYSTEMS AND METHODS FOR AUTOMATICALLY CONTROLLING A FAUCET

#16
20240369155
2024-11-07

A Valve Handwheel And A Valve Arrangement Comprising Such A Valve Handwheel

#17
20240337327
2024-10-10

Rotary Valves for Dialysis Systems

#18
20240301957
2024-09-12

Fluid flow management control and leak detection and conservation system and valve assembly

#19
20240183462
2024-06-06

ANGLE VALVE WITH LOCKING CHECK FUNCTION

#20
20240133483
2024-04-25

Pressure relief valve and method of relief valve opening detection

#21
20240052936
2024-02-15

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

#22
20240035588
2024-02-01

WATER AND GAS UTILITY CONTROL SYSTEMS AND RETROFITTING KIT

#23
20230358317
2023-11-09

VALVE FOR COMPRESSED GAS WITH ACTUATING DEVICE OPERABLE BY A ROBOTIC INTERFACE

#24
20230332699
2023-10-19

INTEGRATED MULTI-WAY SOLENOID VALVE AND VEHICLE THERMAL MANAGEMENT SYSTEM

#25
20230304886
2023-09-28

VALVE DIAGNOSTIC AND PERFORMANCE SYSTEM

#26
20230287989
2023-09-14

Valve assembly

#27
20230265942
2023-08-24

Flow rate control valve

#28
20230258280
2023-08-17

Valve assembly for pressurized containers

#29
20230228609
2023-07-20

MACHINE FLUID CONDITION MONITORING SYSTEM

#30
20230184351
2023-06-15

Adapter for wireless data transmission

#31
20230151905
2023-05-18

AUTOMATIZATION OF DRAINAGE AND DEAERATORS

#32
20230147379
2023-05-11

Variable pressure control valve

#33
20230125197
2023-04-27

Valve having integrated sensor and stabilized electrical connection

#34
20230099255
2023-03-30

Color changing and pressure sensing check valves

#35
20230003316
2023-01-05

Vision system for rotary valve

#36
20230003315
2023-01-05

Pressure relief valve and method of relief valve opening detection

#37
20220349493
2022-11-03

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

#38
20220260179
2022-08-18

VALVE POSITION DETECTION

#39
20220260178
2022-08-18

Airflow balancing valve with actuator

#40
20220259740
2022-08-18

SUBSTRATE PROCESSING DEVICE

#41
20220196183
2022-06-23

Gas regulator diaphragm-position and pressure-relief detection

#42
20220154845
2022-05-19

Valve position indicators

#43
20220107240
2022-04-07

Valve diagnostic and performance system

#44
20220099203
2022-03-31

Color changing and pressure sensing check valves

#45
20220034416
2022-02-03

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

#46
20220018459
2022-01-20

Valve assembly

#47
20210373525
2021-12-02

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

#48
20210362637
2021-11-25

Systems and methods for venting tanks to enhance transporting asphalt

#49
20210341073
2021-11-04

Rotary valves for dialysis systems

#50
20210324968
2021-10-21

STEAM INJECTION VALVE ACTUATOR, SYSTEM, AND METHOD

#51
20210310581
2021-10-07

Motorised valve with vertical shaft and super capacitor backup power

#52
20210307561
2021-10-07

TIME-CONTROLLED VALVE WITH WARNING SYSTEM

#53
20210293354
2021-09-23

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

#54
20210285567
2021-09-16

Indicators for valves

#55
20210116047
2021-04-22

Fluid control device

#56
20210108508
2021-04-15

Downhole valve position monitor

#57
20210080025
2021-03-18

Food article defect removal apparatus

#58
20210071517
2021-03-11

Acoustic detection of position of a component of a fluid control device

#59
20210055136
2021-02-25

Position determination for valves

#60
20210031025
2021-02-04

Color-coded roller clamp apparatus

#61
20200409321
2020-12-31

CONTROL OF POWER GENERATION SYSTEM BY VISUALLY MONITORING VALVE DURING OPERATION

#62
20200408330
2020-12-31

Opening and closing handle, and valve device

#63
20200406171
2020-12-31

DIFFERENTIAL PRESSURE VALVE & FILTER SYSTEM INCORPORATING SAME

#64
20200292098
2020-09-17

Manufacture of actuators and control valve assemblies

#65
20200271240
2020-08-27

Pressure relief valve and method of relief valve opening detection

#66
20200232580
2020-07-23

Visual positioning indicator assembly for limit switch boxes

#67
20200209897
2020-07-02

Systems and methods for automatically controlling a faucet

#68
20200132219
2020-04-30

Smart Valve Position Sensor

#69
20200056921
2020-02-20

Machine fluid condition monitoring system

#70
20200056920
2020-02-20

Machine fluid condition monitoring system

#71
20200041021
2020-02-06

Rotary valves for dialysis systems

#72
20190368380
2019-12-05

SYSTEM AND METHOD FOR GEAR ASSEMBLY LUBRICANT SYSTEM FAILURE DETECTION

#73
20190346063
2019-11-14

Valve diaphragm, diaphragm valve, and method for securing a data carrier contained in a housing

#74
20190344041
2019-11-14

Gas flow arrestor

#75
20190249797
2019-08-15

Valve position indicator with LEDS

#76
20190242495
2019-08-08

Device for detecting fluid flow

#77
20190219189
2019-07-18

Control valve pneumatic actuator using transparent casing and double-ring diaphragm

#78
20190107224
2019-04-11

Sensing mechanism for valve operation

#79
20190072210
2019-03-07

Position Indicator as Well as a Rotary Actuator Equipped Therewith and a Process Valve

#80
20190017524
2019-01-17

VALVE SYSTEM FOR A FLUID CONDUIT SYSTEM IN AN AIRCRAFT ENGINE AND METHOD FOR THE OPERATION OF A VALVE SYSTEM FOR A FLUID CONDUIT SYSTEM IN AN AIRCRAFT ENGINE

#81
20190001350
2019-01-03

Flow control component and shower

#82
20180372210
2018-12-27

Safety Bypass Valve

#83
20180259075
2018-09-13

Vacuum valve with optical sensor

#84
20180202577
2018-07-19

Optical microphone to diagnose actuators

#85
20180128395
2018-05-10

BALL VALVE WITH COLOR-CODED INDICATOR OF NORMAL OPERATING POSITION

#86
20180119398
2018-05-03

SONIC VALVE

#87
20180087340
2018-03-29

Assembly and method for monitoring position of blowout preventer rams

#88
20180080574
2018-03-22

Manufacture of actuators and control valve assemblies

#89
20180080569
2018-03-22

CONFIGURABLE MODULAR SLEEVE VALVE

#90
20180073662
2018-03-15

GAS REGULATOR ASSEMBLY

#91
20180017181
2018-01-18

Valve lockout device with viewing port and method

#92
20170356553
2017-12-14

ADJUSTABLE ORIFICE VALVE

#93
20170356552
2017-12-14

MULTI-ORIFICE PLATE FLOW VALVE

#94
20170299085
2017-10-19

Food article defect removal apparatus

#95
20170268694
2017-09-21

Clear Injection Valve

#96
20170268692
2017-09-21

Apparatus for actuating a valve

#97
20170259984
2017-09-14

Flexible containers having flexible valves

#98
20170219119
2017-08-03

Operator feedback of valves

#99
20170167220
2017-06-15

Assembly and Method for Monitoring Position of Blowout Preventer Rams

#100
20170114926
2017-04-27

VALVE POSITION INDICATION DEVICES AND USES

#101
20170095650
2017-04-06

Method and tools for implanted device

#102
20170016545
2017-01-19

Control handle assembly for a fluid valve structure

#103
20170009897
2017-01-12

Configurable modular sleeve valve

#104
20170002954
2017-01-05

Illuminated dome/conical mirror valve position indication

#105
20160341333
2016-11-24

Valve positioner communication method utilizing two-dimensional graphical display

#106
20160265684
2016-09-15

Drive unit with optical waveguide

#107
20160265676
2016-09-15

Diaphragm valve drive

#108
20160258549
2016-09-08

Valve positioner communication method and apparatus

#109
20160097188
2016-04-07

Configurable modular sleeve valve

#110
20160069475
2016-03-10

Valve having a leakage indicator

#111
20160069472
2016-03-10

Visual ram position indicator apparatuses and methods

#112
20160040796
2016-02-11

Integrated safety device for self-propulsion gas systems

#113
20160038662
2016-02-11

Device having a flow channel, a nonreturn valve, and a flow detector that detects a position of the nonreturn valve

#114
20150377398
2015-12-31

Female coupling member suitable for handling high-pressure fluid and pipe coupling having female coupling member

#115
20150330516
2015-11-19

Adjustable clamp

#116
20150308083
2015-10-29

VERTICAL INDICATOR POST WITH TORQUE-REDUCING GEARING

#117
20150252912
2015-09-10

Magnet valve coil unit for a magnet valve and method of manufacturing a magnet valve coil unit

#118
20150204458
2015-07-23

NON-INTRUSIVE POSITION DETECTOR FOR VALVE ACTUATOR

#119
20150198287
2015-07-16

Flow regulator for nitrogen purging, system and method

#120
20150152974
2015-06-04

Remote actuator device for valve control knob on a tank

#121
20150129062
2015-05-14

Valve position translator

#122
20150129061
2015-05-14

Valve with positive and negative status indicator

#123
20150122840
2015-05-07

Flexible containers having flexible valves

#124
20150114478
2015-04-30

Bursting Relief valve

#125
20150107705
2015-04-23

Poppet Valve Assembly With In-Line Sight Glass

#126
20150075652
2015-03-19

Rotary valve position indicator

#127
20150040997
2015-02-12

Sensor assembly for faucet

#128
20140360422
2014-12-11

Universal indicator post

#129
20140345726
2014-11-27

Touchless, remotely activatable assembly for fluid flow regulation, related systems and methods

#130
20140326338
2014-11-06

Rotary stem position indicator

#131
20140103238
2014-04-17

Electronic expansion valve

#132
20140076418
2014-03-20

Detachable handle for adjusting a valve and an assembly comprising a detachable handle and a valve

#133
20140052047
2014-02-20

Method and tools for implanted device

#134
20130340832
2013-12-26

Redundant actuation system

#135
20130312856
2013-11-28

Mixing valve assembly including a temperature display

#136
20130312730
2013-11-28

Valves, pressure sensing devices, and controllers for heating appliances

#137
20130233417
2013-09-12

Hydraulic torrent control valve

#138
20130199633
2013-08-08

Pressure release valve assembly for pressure cooker

#139
20130180608
2013-07-18

Visual position indicator for a valve

#140
20130167952
2013-07-04

Apparatus to visually indicate a leak from a relief valve

#141
20130146800
2013-06-13

Hydraulic torrent control valve

#142
20130146793
2013-06-13

Visual ram position indicator apparatuses and methods

#143
20130119150
2013-05-16

Spraying system with flow sensing and monitoring device

#144
20130112585
2013-05-09

Valve designed to indicate whether or not fluid is passing

#145
20130043420
2013-02-21

Valve position translator

#146
20120234410
2012-09-20

Subsea valve actuator having visual manual position indicator connected to a manual override shaft

#147
20120161053
2012-06-28

Observation valve structure

#148
20120128533
2012-05-24

Liquid supply device using check valve and reactive liquid chromatography system

#149
20120046595
2012-02-23

Implantable adjustable valve

#150
20110297255
2011-12-08

Hydraulic torrent control valve

#151
20110260086
2011-10-27

Valve shaft apparatus for use with rotary valves

#152
20110253922
2011-10-20

Bidirectional sleeved/plug ball check valve

#153
20110240134
2011-10-06

Flow cell spray ring

#154
20110024657
2011-02-03

Multi-position micro-fluidic valve system with removable encoder assembly

#155
20100033340
2010-02-11

Fluid-Technical Assembly Having an Optical Waveguide

#156
20090229686
2009-09-17

Poppet valve assembly with in-line sight glass

#157
20090205440
2009-08-20

Device for indicating and regulating the flow volume in a fluid circuit of a heating or cooling system

#158
20090126511
2009-05-21

Torque measuring method and apparatus for motor-operated valve

#159
20080264498
2008-10-30

Valve with sensor

#160
20080257428
2008-10-23

ACTUATING DRIVE

#161
20080237516
2008-10-02

Sensing Device

#162
20070284009
2007-12-13

Bursting Diaphragm Arrangement

#163
20070144594
2007-06-28

Multiport rotary valve

#164
20060289819
2006-12-28

Passive sensors for automatic faucets and bathroom flushers

#165
20060191571
2006-08-31

Fluid concentration sensing arrangement

#166
20060138282
2006-06-29

Valve system

#167
20060081293
2006-04-20

Control valve for backwash prevention

#168
20050263192
2005-12-01

Tap for a gas or liquefied gas cylinder

#169
20050184265
2005-08-25

Actuator for valve

#170
20050165369
2005-07-28

Medical overflow protective device

#171
20050067014
2005-03-31

Fire hydrant protective cover and visibility marker

#172
20050045231
2005-03-03

Aircraft oxygen valve having knob with distinctive position indicator

#173
20050022877
2005-02-03

Fluid power valve and integrated visual indicator

#174
20050016284
2005-01-27

Pressure indicator

#175
19180832
2026-03-10

Gate valve position indicators

#176
18979325
2025-05-20

Method and apparatus for controlling redundancy of valve control system of converter valve

#177
18235132
2025-07-08

Whole-home pressure relief system

#178
17694673
2022-11-08

Valve torque control system and control method thereof

#179
17508530
2023-04-18

Fluid valve

#180
17374471
2022-03-15

Variable flow adjustable valves

#181
17037450
2021-11-30

Color changing and pressure sensing check valves

#182
16990211
2023-11-14

Water and gas utility control systems and retrofitting kit

#183
16418477
2022-12-06

Valve having integrated sensor and stabilized electrical connection

#184
15922129
2020-02-04

Electronically controlled pressure relief valve system

#185
15191695
2020-09-01

Automated thermal exchange system for autoclave sterilizer