Patents-Review.com
ClassID:

152562 ⎘

F16K37/0016 - 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; Mechanical means having a graduated scale

Recent Application in this class:
#1
20260016092
2026-01-15

BUTTERFLY VALVE

 #2
20250341256
2025-11-06

Control Valve

 #3
20250334186
2025-10-30

CHEMICAL DELIVERY DEVICES USING FLOW SENSING AND SYSTEMS AND METHODS OF USE

 #4
20250334184
2025-10-30

CHEMICAL DELIVERY ASSEMBLIES AND SYSTEMS AND METHODS OF USE

 #5
20250334183
2025-10-30

PNEUMATICALLY DRIVEN CHEMICAL DELIVERY DEVICES AND SYSTEMS AND METHODS OF USE

 #6
20250334182
2025-10-30

CHEMICAL DELIVERY DEVICES AND SYSTEMS AND METHODS OF USE

 #7
20250333028
2025-10-30

SYSTEM, METHOD, AND NETWORK FOR CONTROLLING DISTRIBUTION OF CHEMICALS AND FLUIDS

 #8
20250122950
2025-04-17

INTEGRATED ELECTRICAL AND MECHANICAL POSITION INDICATOR IN VALVE ACTUATOR

 #9
20240200687
2024-06-20

Non-contact visual indication for motion sensing

 #10
20240077146
2024-03-07

Valve indicator and related methods

 #11
20230417328
2023-12-28

Butterfly valve

 #12
20230265942
2023-08-24

Flow rate control valve

 #13
20230055194
2023-02-23

Oil valve

 #14
20220397212
2022-12-15

Variable flow adjustable valves

 #15
20220357754
2022-11-10

Flow control smart valve and flow control system using same

 #16
20220325821
2022-10-13

Flow control valve

 #17
20220147067
2022-05-12

Cartridge flow rate adjusting assembly and hydraulic flow rate control valve with a dual adjusting scale

 #18
20210372530
2021-12-02

Butterfly Valve

 #19
20210324967
2021-10-21

Flow rate scale field calibration for balancing valve

 #20
20210310580
2021-10-07

Valve position indicator

 #21
20210278011
2021-09-09

Regulator

 #22
20210123542
2021-04-29

Indicator assembly

 #23
20200362986
2020-11-19

Valve position indicator

 #24
20200292098
2020-09-17

Manufacture of actuators and control valve assemblies

 #25
20200263808
2020-08-20

Valve position indicator

 #26
20190361469
2019-11-28

Hybrid flow and pressure regulation

 #27
20190331254
2019-10-31

Indicator disc for determining the position of ball valve

 #28
20190234523
2019-08-01

Spring loaded HVAC damper

 #29
20190146528
2019-05-16

Gas pressure regulator

 #30
20190093789
2019-03-28

Actuator for slide valves

 #31
20190064856
2019-02-28

Hybrid flow and pressure regulation

 #32
20190032807
2019-01-31

ELECTRIC-ACTUATED CHOKE APPARATUS AND METHODS

 #33
20190024802
2019-01-24

Butterfly valve

 #34
20180372240
2018-12-27

Valve actuator indicator arrangement

 #35
20180156354
2018-06-07

Valve device

 #36
20180135772
2018-05-17

Actuator with brushless DC motor

 #37
20180100604
2018-04-12

Valve position indicator for valve shutter

 #38
20180090235
2018-03-29

Examination and test system for nuclear-grade control valve

 #39
20180080574
2018-03-22

Manufacture of actuators and control valve assemblies

 #40
20180038490
2018-02-08

Butterfly valve utilizing spring for consistent disk placement

 #41
20180031143
2018-02-01

Balancing valve for adjusting the distribution of fluids in multiple pipes

 #42
20170319812
2017-11-09

System and method for controlling leak

 #43
20170234454
2017-08-17

Local position indicator for subsea isolation valve having no external position indication

 #44
20170146138
2017-05-25

Multi-Position Fluid Valve

 #45
20170130867
2017-05-11

CUSTOMIZED LINEAR FLOW VALVE FOR OIL FIRED BURNERS

 #46
20170130866
2017-05-11

BALANCING VALVE

 #47
20170089488
2017-03-30

Butterfly valve

 #48
20170089469
2017-03-30

Butterfly valve

 #49
20170089468
2017-03-30

Butterfly valve

 #50
20160369912
2016-12-22

Electric-actuated choke apparatus and methods

 #51
20160351280
2016-12-01

Nuclear grade air accumulating, isolating, indicating and venting device

 #52
20160349761
2016-12-01

Pressure Independent Control Valve

 #53
20160290528
2016-10-06

Valve position indicator

 #54
20160195199
2016-07-07

VALVE COMPRISING A ROTARY, ADJUSTBALE FLOW-BLOCKING SYSTEM

 #55
20160178084
2016-06-23

Pressure-Setting Regulator

 #56
20160153581
2016-06-02

Handwheel for hydraulic valve provided with opening level indicator

 #57
20160076668
2016-03-17

Pressure gauge device featuring setting for automatic supply and termination of pressure

 #58
20160069472
2016-03-10

Visual ram position indicator apparatuses and methods

 #59
20150369382
2015-12-24

Valve arrangement, apparatus and methods of operation thereof

 #60
20150226580
2015-08-13

Rotary position indicator for actuator

 #61
20150198258
2015-07-16

Control valve

 #62
20150159772
2015-06-11

Method and apparatus for mounting a control valve positioner

 #63
20150107704
2015-04-23

Flow rate control device

 #64
20150107506
2015-04-23

VALVE POSITION INDICATOR

 #65
20150083253
2015-03-26

Tap group

 #66
20150075652
2015-03-19

Rotary valve position indicator

 #67
20150027544
2015-01-29

Gas saver valve and method using the same

 #68
20150007898
2015-01-08

GAS FLOW CONTROL VALVE

 #69
20140331913
2014-11-13

Valve position indicator

 #70
20140076418
2014-03-20

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

 #71
20140041861
2014-02-13

Hydraulic position indicator system

 #72
20130333784
2013-12-19

Spring loaded HVAC damper

 #73
20130333777
2013-12-19

Opening degree detection device for manual valve

 #74
20130333502
2013-12-19

Handle mechanism for an HVAC damper actuator

 #75
20130306172
2013-11-21

Balancing and control valves

 #76
20130299727
2013-11-14

Plug valve indicator

 #77
20130299017
2013-11-14

FLOW RATE SCALE FIELD CALIBRATION FOR BALANCING VALVE

 #78
20130248001
2013-09-26

Low profile hydraulic actuator

 #79
20130146793
2013-06-13

Visual ram position indicator apparatuses and methods

 #80
20120255633
2012-10-11

Modular Media Control Valve

 #81
20120234410
2012-09-20

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

 #82
20120032101
2012-02-09

Pressure control valve

 #83
20110017324
2011-01-27

Valve position indicator

 #84
20100308246
2010-12-09

Plug valve indicator

 #85
20100307611
2010-12-09

Distribution valve with integrated flow metering unit

 #86
20100229964
2010-09-16

SERVICE VALVE ASSEMBLY HAVING A STOP-FILL DEVICE AND REMOTE LIQUID LEVEL INDICATOR

 #87
20100199506
2010-08-12

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

 #88
20090071554
2009-03-19

Rotatable shaft position indicator

 #89
20060243330
2006-11-02

Preset shower setting assembly

 #90
17374471
2022-03-15

Variable flow adjustable valves

 #91
14800213
2017-11-14

Method and device for adapting an actuator to a valve

 #92
14615415
2018-03-20

Low-torque choke valve for well automation