ClassID:

152415

F16K31/048 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices electric ; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means with torque limiters

Recent Application in this class:
#1
20230053986
2023-02-23

Valve actuator

#2
20220275878
2022-09-01

Linear electric actuator

#3
20210254746
2021-08-19

Portable valve operating device for use in exercising valves

#4
20200240315
2020-07-30

Cooling system of internal combustion engine

#5
20200124198
2020-04-23

Electronic valve actuator with predictive self-calibrating torque controller

#6
20190323376
2019-10-24

Dual trip manifold assembly for turbine systems

#7
20190316703
2019-10-17

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

#8
20190301635
2019-10-03

Subsea shut-off device

#9
20190063614
2019-02-28

SCREW VALVE HAVING ENHANCED AIRTIGHT EFFECT

#10
20180187794
2018-07-05

Asymmetric torque magnetic valve actuator

#11
20180171821
2018-06-21

Dual trip manifold assembly for turbine systems

#12
20180073655
2018-03-15

Valve opening and closing timing control apparatus

#13
20170356394
2017-12-14

Evaporated fuel treatment device

#14
20170342856
2017-11-30

Dual trip manifold assembly for turbine systems

#15
20170328491
2017-11-16

Biasing device for linkage system and method of making and using the same

#16
20170268433
2017-09-21

Exhaust gas flap drive

#17
20170114919
2017-04-27

Planetary gear torque limiting structure for a regulating valve

#18
20160146366
2016-05-26

Motor operated valve

#19
20160053912
2016-02-25

Actuating device

#20
20150060711
2015-03-05

Gas shut-off valve

#21
20150027573
2015-01-29

Electromagnetic valve

#22
20150016867
2015-01-15

Coupling for a positioner

#23
20140338478
2014-11-20

Valve actuator torque limiter

#24
20130284583
2013-10-31

Electric actuator for coke drum unheading valve

#25
20130256570
2013-10-03

VALVE AND HYDRAULIC CONTROLLER

#26
20130056658
2013-03-07

Electrically operated valve actuator with electro-mechanical end stop detection device

#27
20120298894
2012-11-29

Actuating drive for safety valves having a high actuating torque

#28
20120153198
2012-06-21

Actuator

#29
20120119125
2012-05-17

Drive device

#30
20110204274
2011-08-25

Valve actuator with customizable overload clutch

#31
20110193003
2011-08-11

TORQUE LIMITER AND VALVE ACTUATOR

#32
20110114860
2011-05-19

Coupling apparatus for use with electric actuators

#33
20080287260
2008-11-20

Speed controlled spring return actuator

#34
20060163507
2006-07-27

Drive device

#35
15863323
2019-04-09

Stem assembly for a valve