Patents-Review.com
ClassID:

146508 ⎘

F15B2211/8755 - CPC Classification

Classification description:

Circuits for servomotor systems; Other types of control related to particular problems or conditions; Control measures for coping with failures Emergency shut-down

Recent Application in this class:
#1
20250035133
2025-01-30

FLOATING CONTROL SYSTEM FOR FIXED DISPLACEMENT PUMP SYSTEM

 #2
20240401615
2024-12-05

Safety Valve

 #3
20240328536
2024-10-03

Emergency isolation valve control design

 #4
20220403860
2022-12-22

Electrohydraulic system for a valve

 #5
20220235880
2022-07-28

Partial stroke tests for shutdown valves

 #6
20200340499
2020-10-29

Control device

 #7
20200096015
2020-03-26

Apparatus for controlling a hydraulic machine

 #8
20200018329
2020-01-16

Apparatus for controlling a hydraulic machine

 #9
20200011451
2020-01-09

Partial stroke tests for shutdown valves

 #10
20190257327
2019-08-22

Hydraulic cylinder health monitoring and remaining life system

 #11
20190249798
2019-08-15

Determining the operability of a fluid driven safety valve

 #12
20190226355
2019-07-25

Methods and apparatus to diagnose a pneumatic actuator-regulating accessory

 #13
20190106300
2019-04-11

Crane

 #14
20190032683
2019-01-31

Generating two pneumatic signals to operate an actuator on a valve assembly

 #15
20180320713
2018-11-08

Valve system

 #16
20180306214
2018-10-25

SYSTEM FOR CONTROLLING A FLOW OF FLUID, FEEDING SYSTEM COMPRISING SUCH A CONTROL SYSTEM AND METHOD USING SUCH A FEEDING SYSTEM

 #17
20180216485
2018-08-02

Steam turbine valve drive apparatus

 #18
20180143594
2018-05-24

Safety module for an automation system, automation system and method for operating a safety module in an automation system

 #19
20180112797
2018-04-26

Methods and apparatus of assessing a test of a solenoid valve via a positioner

 #20
20180103018
2018-04-12

Systems and methods for executing cryptographic operations across different types of processing hardware

 #21
20170268695
2017-09-21

Testing of safety devices

 #22
20170191508
2017-07-06

Hydraulic apparatus and hydraulic appliance usable therein

 #23
20170096908
2017-04-06

Pneumatic trip valve partial stroking arrangement

 #24
20170082212
2017-03-23

Control device for controlling a valve arrangement and method for controlling a safety arrangement comprising said control device and said valve arrangement

 #25
20170037882
2017-02-09

Control system for a hydraulic work machine

 #26
20160377074
2016-12-29

Runaway valve system for a pump

 #27
20150376875
2015-12-31

Automatic valve shutoff device and methods

 #28
20150013772
2015-01-15

Automatic valve shutoff device and methods

 #29
20140102549
2014-04-17

Positioner

 #30
20130312402
2013-11-28

Hydraulic system for work machine

 #31
20130014499
2013-01-17

Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motors

 #32
20120204549
2012-08-16

CONDITIONAL LOAD SENSE CONTROL

 #33
20110252895
2011-10-20

Method for determining an operating position of an open/closed-valve and field device

 #34
20110030816
2011-02-10

CONTROL SYSTEM FOR CONTROLLING A DIRECTIONAL CONTROL VALVE

 #35
20100126161
2010-05-27

Accumulator system and method of monitoring same

 #36
20100116347
2010-05-13

Safety override circuit for pneumatic positioner and method of use thereof

 #37
20100078089
2010-04-01

Hydraulic trip unit for a valve unit in a prime mover plant, especially for a fast-acting shut-off valve of a turbine plant

 #38
20080264363
2008-10-30

Electrohydraulic solar panel carrier adjusting device

 #39
20080230127
2008-09-25

Actuator position control device using a fail freeze servo-valve

 #40
20080184874
2008-08-07

Hydraulic actuator for a servomotor with an end lock function

 #41
20080146988
2008-06-19

Pressure monitor for pneumatic vitrectomy machine

 #42
20080078456
2008-04-03

HYDROSTATIC VARIABLE UNIT WITH A SERVO SYSTEM AND A VALVE UNIT CONTROLLING THE SERVO SYSTEM

 #43
20080016861
2008-01-24

Hydraulic controller for working machine

 #44
20070183901
2007-08-09

Safety override circuit for pneumatic positioner and method of use thereof

 #45
20070089408
2007-04-26

HYDRAULIC CONTROLLER FOR WORKING MACHINE

 #46
20060288863
2006-12-28

Hydraulic circuit for working machine

 #47
20060090802
2006-05-04

Valve arrangement

 #48
20060042250
2006-03-02

Safety circuit for media-operated consumers and process for its operation

 #49
20060032222
2006-02-16

Forestry machine with hydraulic system and method for rotor braking

 #50
20050274419
2005-12-15

Valve arrangement

 #51
20050098030
2005-05-12

Hydrostatic drive system with a safety device