ClassID:

146509

F15B2211/8757 - CPC Classification

Classification description:

Circuits for servomotor systems; Other types of control related to particular problems or conditions; Control measures for coping with failures using redundant components or assemblies

Recent Application in this class:
#1
20260009408
2026-01-08

HYDRAULIC FORCE FIGHT MITIGATION

#2
20250129807
2025-04-24

PARALLEL ELECTROHYDRAULIC SERVO VALVE CONTROLLED ACTUATOR WITH FAILURE ACCOMMODATION

#3
20250012302
2025-01-09

EMERGENCY DESCENT SYSTEM FOR AERIAL WORK PLATFORM AND CONTROL METHOD THEREOF

#4
20240401615
2024-12-05

Safety Valve

#5
20240376912
2024-11-14

SHUTTLE VALVE, DIRECTIONAL CONTROL VALVE MODULE, AND PNEUMATIC OR HYDRAULIC ASSEMBLY

#6
20230349401
2023-11-02

REDUNDANT VALVE MANIFOLD SYSTEM

#7
20230160403
2023-05-25

DEPLOYABLE ENERGY SUPPLY AND MANAGEMENT SYSTEM

#8
20230151829
2023-05-18

HYDRAULIC FORCE FIGHT MITIGATION

#9
20230055316
2023-02-23

Device for holding a stem of a hydraulic cylinder in position, and method for unblocking and blocking a secondary check valve of the device

#10
20230009724
2023-01-12

Hydraulic system with a switch valve block for a hydraulically actuatable working machine

#11
20220177084
2022-06-09

Hydraulic system for stabilizer drive

#12
20220136498
2022-05-05

System and method for determining operational readiness of a backup hydraulic pump system

#13
20220081103
2022-03-17

Failsafe valve for geared rotary actuator

#14
20220034336
2022-02-03

Method for control of a cylinder

#15
20210381531
2021-12-09

Hydraulic system for use under water with a hydraulic actuating drive

#16
20210364017
2021-11-25

Redundant valve manifold system

#17
20210309348
2021-10-07

Inerters with friction disk assemblies, and aircraft hydraulic systems and aircraft including the same

#18
20210270008
2021-09-02

Method and system to securely manage quick coupling of tools in an earth moving equipment

#19
20210207735
2021-07-08

Redundant vehicle control systems

#20
20210095699
2021-04-01

Manifold system for fluid delivery

#21
20200240444
2020-07-30

Valve arrangement and control method

#22
20200149683
2020-05-14

Safety system for a pressure accumulator

#23
20200063763
2020-02-27

Blow down actuator assembly

#24
20190344885
2019-11-14

Actuator system for a fly-by-wire aircraft

#25
20190257328
2019-08-22

Electro-hydraulic control system with fail-safe pilot valves

#26
20190161172
2019-05-30

MODE VALVE ASSEMBLY

#27
20190119934
2019-04-25

Electrohydraulic control circuit for a large manipulator

#28
20190063472
2019-02-28

Low profile electro-hydrostatic actuator

#29
20190061916
2019-02-28

Dual valve systems for actuator control

#30
20190055965
2019-02-21

Hydraulic actuator and multi-cylinder hydraulic actuator system

#31
20180340552
2018-11-29

Pneumatic unit for a hydropneumatic pressure booster

#32
20180320713
2018-11-08

Valve system

#33
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

#34
20180283419
2018-10-04

Hydraulic pressure control device

#35
20180281940
2018-10-04

Servo actuators

#36
20180155044
2018-06-07

Method and apparatus for operating a power system architecture

#37
20180100588
2018-04-12

Dual parallel hydraulic actuator

#38
20180100523
2018-04-12

Blow down actuator assembly having a drag brake

#39
20180079491
2018-03-22

Symmetrically loaded dual hydraulic fly-by-wire actuator

#40
20180038392
2018-02-08

Blow down actuator assembly

#41
20180002007
2018-01-04

Duplicated hydraulic circuit with pressure regulation

#42
20170370384
2017-12-28

Hydraulic Devices and Methods of Actuating Same

#43
20170253318
2017-09-07

Redundant vehicle control systems

#44
20170191508
2017-07-06

Hydraulic apparatus and hydraulic appliance usable therein

#45
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

#46
20160288771
2016-10-06

Electropneumatic windshield wiper drive for a rail vehicle, drive for a windshield wiper and pneumatic system for operating a drive for a windshield wiper

#47
20160195115
2016-07-07

Blow down actuator assembly

#48
20160084270
2016-03-24

Electrohydraulic control circuit

#49
20160062368
2016-03-03

Position controller for a pneumatic field device

#50
20160010669
2016-01-14

Hydraulic device and prime mover device

#51
20150360910
2015-12-17

Auxiliary pumping unit

#52
20150292527
2015-10-15

Pressure-balance valve for balancing fluid feed to actuator cylinders of a servo-control for controlling rotor blades of a rotorcraft

#53
20150286205
2015-10-08

System and method for controlling a valve

#54
20150274281
2015-10-01

Pneumatic positioning system

#55
20150204456
2015-07-23

Combination diaphragm piston actuator

#56
20150198183
2015-07-16

Failsafe pilot supply selector valve

#57
20150176612
2015-06-25

Double hydraulic valve of a servo-control for feathering the blades of a rotorcraft rotor

#58
20150151421
2015-06-04

Control line operating system and method of operating a tool

#59
20150114215
2015-04-30

Coaxial dual redundant hydraulic actuator system

#60
20150096435
2015-04-09

Hydraulic devices and methods of actuating same

#61
20150075149
2015-03-19

Flexible response secured mechanical balancing for multiple control actuators with a common output

#62
20150040549
2015-02-12

Method and control unit for the operation of a parking brake of a vehicle transmission assembly

#63
20140312170
2014-10-23

Actuator device for aircraft, and aircraft

#64
20140264106
2014-09-18

Flow rate control device

#65
20140230926
2014-08-21

Hydraulic safety and movement control system

#66
20140069088
2014-03-13

Lift system with follower system

#67
20140026747
2014-01-30

Hydraulic or pneumatic drive for actuating a fitting comprising a control valve or selector valve

#68
20130239797
2013-09-19

Hydraulic cylinder system

#69
20120181382
2012-07-19

Aircraft actuator

#70
20120131912
2012-05-31

Aircraft actuator hydraulic system

#71
20120112759
2012-05-10

System and method for testing a secondary servo control circuit in a redundant control configuration

#72
20110290353
2011-12-01

Hydraulic system for aircraft actuators

#73
20110284311
2011-11-24

Control valve assembly for electro-hydraulic steering system

#74
20100243084
2010-09-30

Multifunction relief valve and airplane emergency hydraulic power source unit having the same

#75
20100229975
2010-09-16

Methods and apparatus to arbitrate valve position sensor redundancy

#76
20090242694
2009-10-01

Hydraulic system for aircraft

#77
20090229694
2009-09-17

Hydraulic actuator with floating pistons

#78
20090218161
2009-09-03

Control valve assembly for electro-hydraulic steering system

#79
20090165457
2009-07-02

Double redundancy electro hydrostatic actuator system

#80
20080236932
2008-10-02

Actuator control system

#81
20080203234
2008-08-28

Trim actuator actuating system for a hydraulically actuatable trimmable horizontal stabilizer actuator

#82
20080185476
2008-08-07

Dual motor dual concentric valve

#83
20080184877
2008-08-07

Control system for a hydraulic servomotor

#84
20080041467
2008-02-21

Digital control valve assembly for a hydraulic actuator

#85
20070151235
2007-07-05

Actuator system having a valve manifold

#86
20070044651
2007-03-01

Valve arrangement for the activation of a structural element

#87
20060191583
2006-08-31

Hydraulic control valve

#88
20060090802
2006-05-04

Valve arrangement

#89
20050132877
2005-06-23

Redundant flow control for hydraulic actuator systems