ClassID:

146143

F15B20/00 - CPC Classification

Classification description:

Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

Sub-classes:
Recent Application in this class:
#1
20260078782
2026-03-19

POSITIONER AND METHOD FOR MANUFACTURING A POSITIONER

#2
20250389288
2025-12-25

METHOD FOR THE OPERATION OF A PNEUMATIC SYSTEM AND PNEUMATIC SYSTEM

#3
20250389287
2025-12-25

SAFETY VALVE DEVICE

#4
20250171135
2025-05-29

METHOD FOR DIAGNOSING A STATE OF DETERIORATION OF AN UPLOCK

#5
20250146256
2025-05-08

METHOD FOR CONTROLLING WORKING MACHINE AND WORKING MACHINE

#6
20250144475
2025-05-08

PNEUMATIC SYNCHRONOUS LIFTING STILT DEVICE

#7
20240426386
2024-12-26

ELEVATABLE CHAMBER AND METHOD OF OPERATING THE SAME

#8
20240426325
2024-12-26

SIDE LOAD CONTROL OF LONG STROKE SYSTEMS

#9
20240401615
2024-12-05

Safety Valve

#10
20240392814
2024-11-28

Hydraulic arrangement

#11
20240369083
2024-11-07

Hydraulic system with a functional safety feature for demolition robots

#12
20240240656
2024-07-18

MANIFOLD SYSTEM FOR 2OO3 CONFIGURATION

#13
20240218889
2024-07-04

Fluid pressure cylinder

#14
20240200508
2024-06-20

ELECTRO-HYDROSTATIC ACTUATION SYSTEM FOR A THRUST REVERSER FOR AN AIRCRAFT TURBOJET ENGINE NACELLE

#15
20240150161
2024-05-09

Working equipment with capabilities of preventing buckling of hydraulic cylinder

#16
20240103472
2024-03-28

SYSTEM AND METHOD FOR CONTROLLING A VALVE MANIFOLD

#17
20230407987
2023-12-21

Safety Device

#18
20230405741
2023-12-21

Mining shield base lift wear pad

#19
20230405740
2023-12-21

Mining shield base lift methods

#20
20230339051
2023-10-26

Mining shield base lift apparatuses and methods

#21
20230167914
2023-06-01

Safety valve device

#22
20230090796
2023-03-23

Piston accumulator

#23
20230069780
2023-03-02

System and method for controlling a valve manifold

#24
20230053989
2023-02-23

FLUID CONTAINER COMPRISING A SHUT-OFF DEVICE

#25
20230026318
2023-01-26

ELECTROHYDROSTATIC SYSTEM WITH PRESSURE SENSOR

#26
20220397135
2022-12-15

Determining remaining life of a hose assembly based on sensor data

#27
20220268386
2022-08-25

Method for selectively coupling or uncoupling a coupling, and a coupling therefor

#28
20220260094
2022-08-18

Hydraulic power system for downhole device and downhole device

#29
20220252090
2022-08-11

System with motion sensors for damping mass-induced vibration in machines

#30
20220235880
2022-07-28

Partial stroke tests for shutdown valves

#31
20220205464
2022-06-30

Hydraulic system

#32
20220056671
2022-02-24

Work machine

#33
20220025912
2022-01-27

Lift arm lifting and lowering mechanism

#34
20220010528
2022-01-13

Anti-stall system for open circuit systems

#35
20210381343
2021-12-09

Well case brushing and surge blocking apparatus

#36
20210364097
2021-11-25

Safety valve for hydraulic or pneumatic tool

#37
20210270008
2021-09-02

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

#38
20210239144
2021-08-05

Drive system for operating a crusher and method for operating a crusher

#39
20210195771
2021-06-24

Apparatus and process valve assembly

#40
20210095702
2021-04-01

Pneumatic control device and process control device equipped therewith

#41
20210095701
2021-04-01

Dithering hydraulic valves to mitigate static friction

#42
20200408227
2020-12-31

Hydromechanical linear converter

#43
20200393805
2020-12-17

System and method for controlling a valve manifold

#44
20200392747
2020-12-17

Large manipulator having an articulated mast that can be quickly folded and unfolded

#45
20200362883
2020-11-19

Piston accumulator

#46
20200318744
2020-10-08

Valve and reservoir(s) for pressurized fluid

#47
20200300371
2020-09-24

Valve and reservoir(s) for pressurized fluid

#48
20200292134
2020-09-17

Valve and device for storing and dispensing pressurized fluid

#49
20200292067
2020-09-17

HYDRAULIC SYSTEM AND METHOD FOR CONTROLLING PRESSURE IN A HYDRAULIC SYSTEM

#50
20200291752
2020-09-17

Safety Apparatus for an Actuator

#51
20200248717
2020-08-06

Accumulator

#52
20200240545
2020-07-30

Valve and reservoir(s) for pressurized fluid

#53
20200240544
2020-07-30

Valve and reservoir(s) for pressurized fluid

#54
20200240543
2020-07-30

Valve and reservoir(s) for pressurized fluid

#55
20200240524
2020-07-30

Valve and device for storing and dispensing pressurized fluid

#56
20200240231
2020-07-30

Systems and methods for actuating hydraulically-actuated devices

#57
20200224778
2020-07-16

Safety valve for hydraulic or pneumatic tool

#58
20200224387
2020-07-16

System and methods for controlled lowering and lifting of a load

#59
20200149683
2020-05-14

Safety system for a pressure accumulator

#60
20200124062
2020-04-23

System with motion sensors for damping mass-induced vibration in machines

#61
20200095820
2020-03-26

Pneumatic pressure control device and pneumatic pressure control method for automatic door

#62
20200060064
2020-02-27

Hydraulic system for an agricultural implement incorporating an implement-based override valve

#63
20200018329
2020-01-16

Apparatus for controlling a hydraulic machine

#64
20200011451
2020-01-09

Partial stroke tests for shutdown valves

#65
20200010060
2020-01-09

Brake system

#66
20200002918
2020-01-02

Hydraulic system for working machine

#67
20190383310
2019-12-19

METHOD OF CONTROLLING A HYDRAULIC ACTUATOR DRIVE, CONTROLLER AND ACTUATOR DRIVE CONTROLLER

#68
20190345692
2019-11-14

Construction machine

#69
20190338792
2019-11-07

Method and system for diagnosing abnormality of hydraulic device

#70
20190329649
2019-10-31

System for assisting the driving of a trailer from an open tipping hydraulic circuit

#71
20190309867
2019-10-10

Hydraulic switch

#72
20190249798
2019-08-15

Determining the operability of a fluid driven safety valve

#73
20190249692
2019-08-15

Hydraulic valve assembly with forced circuit

#74
20190226180
2019-07-25

Safety system for construction machine

#75
20190218750
2019-07-18

Construction machine

#76
20190161983
2019-05-30

Large manipulator with decentralized hydraulic system

#77
20190145437
2019-05-16

Cylinder operation state monitoring device

#78
20190120263
2019-04-25

Constructing valve positioners for hazardous areas

#79
20190119934
2019-04-25

Electrohydraulic control circuit for a large manipulator

#80
20190113427
2019-04-18

PROPORTIONAL AIR PRESSURE CONTROL FOR A MATERIALS TESTING SYSTEM

#81
20190113031
2019-04-18

Unload circuit

#82
20190107217
2019-04-11

Zoned manifold assembly for solenoid valve control system

#83
20190106300
2019-04-11

Crane

#84
20190078594
2019-03-14

Construction machine

#85
20190078593
2019-03-14

Hydraulic safety adapter

#86
20190072948
2019-03-07

Parking position

#87
20190063627
2019-02-28

Shutoff valve

#88
20180340554
2018-11-29

Pneumatic actuation systems having improved feedback control

#89
20180321079
2018-11-08

Oil vibration diagnosis apparatus and oil vibration diagnosis method

#90
20180320714
2018-11-08

Pneumatic control device and process control device equipped therewith

#91
20180266607
2018-09-20

Joint device

#92
20180266127
2018-09-20

Automated safety rail system

#93
20180265209
2018-09-20

Apparatus and methods for distributing electric power on an aircraft during a limited power availability condition

#94
20180251960
2018-09-06

Drive system for construction machine

#95
20180230768
2018-08-16

Subsea safety node

#96
20180216485
2018-08-02

Steam turbine valve drive apparatus

#97
20180172177
2018-06-21

Hydraulic drive for executing a linear movement

#98
20180163878
2018-06-14

Safety valve for a hydraulic or pneumatic tool

#99
20180143594
2018-05-24

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

#100
20180141586
2018-05-24

CYLINDER UNIT

#101
20180112682
2018-04-26

Electropneumatic positioner and a field device having an electro-pneumatic positioner

#102
20180103018
2018-04-12

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

#103
20180100588
2018-04-12

Dual parallel hydraulic actuator

#104
20180079491
2018-03-22

Symmetrically loaded dual hydraulic fly-by-wire actuator

#105
20180066493
2018-03-08

Systems and methods for actuating hydraulically-actuated devices

#106
20180066416
2018-03-08

Hydraulic Drive System for work machine

#107
20180058482
2018-03-01

System for hydraulic pump health monitoring

#108
20180051444
2018-02-22

Hydraulic control system of construction machine

#109
20180045228
2018-02-15

CYLINDER/PISTON UNIT

#110
20180031007
2018-02-01

PNEUMATIC LIFT RETRACTION ASSISTANCE APPARATUS AND METHOD

#111
20170370384
2017-12-28

Hydraulic Devices and Methods of Actuating Same

#112
20170363112
2017-12-21

Device for recovering hydraulic energy by connecting two differential cylinders

#113
20170268695
2017-09-21

Testing of safety devices

#114
20170241450
2017-08-24

Proportional pressure controller with isolation valve assembly

#115
20170185080
2017-06-29

Parking procedure

#116
20170184137
2017-06-29

Hydraulic ram with a side load sensor

#117
20170127956
2017-05-11

Fluid control device

#118
20170121000
2017-05-04

Parking position

#119
20170097102
2017-04-06

Zoned manifold assembly for solenoid valve control system

#120
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

#121
20170072918
2017-03-16

Land vehicle

#122
20170060144
2017-03-02

Safety valve control system and method of use

#123
20170037882
2017-02-09

Control system for a hydraulic work machine

#124
20160377192
2016-12-29

Non-inert gas certified electronic controller

#125
20160356396
2016-12-08

Electro-pneumatic actuator

#126
20160305564
2016-10-20

Hydraulic switch

#127
20160273561
2016-09-22

Control fluid power apparatus and related methods

#128
20160161956
2016-06-09

Automated relief valve control system and method

#129
20160146231
2016-05-26

Hydraulic port safety locking device

#130
20160138624
2016-05-19

Hydraulic Power System with Aeration Sensing for a Mobile Machine

#131
20160102778
2016-04-14

Hydraulic actuator lockout

#132
20160003265
2016-01-07

Hydraulic system for construction machine, provided with protection device

#133
20150330421
2015-11-19

Pressure compensation device and housing component

#134
20150286205
2015-10-08

System and method for controlling a valve

#135
20150267371
2015-09-24

Digging equipment with relative improved hydraulic system

#136
20150261225
2015-09-17

Positioner

#137
20150233492
2015-08-20

Pneumatic valve with emergency stop button

#138
20150226240
2015-08-13

FLUID ISOLATOR

#139
20150204456
2015-07-23

Combination diaphragm piston actuator

#140
20150198183
2015-07-16

Failsafe pilot supply selector valve

#141
20150184772
2015-07-02

Valve remote control apparatus

#142
20150096435
2015-04-09

Hydraulic devices and methods of actuating same

#143
20150069280
2015-03-12

Electromagnetic actuator for a solenoid valve, a valve terminal with at least one solenoid valve, and a module arrangement that includes at least one solenoid valve

#144
20150059893
2015-03-05

Five-port switching valve with residual pressure exhaust valve

#145
20150047928
2015-02-19

Lubrication system for tool

#146
20150027569
2015-01-29

Hydraulic attachment

#147
20140373710
2014-12-25

Four-chamber cylinder for a hydraulic actuating device with emergency function and hydraulic actuating device having this

#148
20140298798
2014-10-09

Electro-hydraulic steering control system

#149
20140294604
2014-10-02

Hydraulic pump start system and method

#150
20140260235
2014-09-18

Emergency cylinder lowering circuit with regenerative hydraulics and burst protection

#151
20140174543
2014-06-26

Fail operational modes for an electro-hydraulic system

#152
20140165547
2014-06-19

System and methods for controlled lowering and lifting of a load

#153
20140105714
2014-04-17

Hybrid excavator including a fast-stopping apparatus for a hybrid actuator

#154
20140060026
2014-03-06

Work vehicle and work vehicle control method

#155
20140048255
2014-02-20

Automated relief valve control system and method

#156
20140000737
2014-01-02

Zonal hydraulic systems and methods

#157
20130327032
2013-12-12

Hydraulic system and arrangement for an access arrangement

#158
20130255244
2013-10-03

Hydraulic system for construction machine including emergency control unit for electric hydraulic pump

#159
20120310582
2012-12-06

Partial stroke testing system coupled with fuel control valve

#160
20120310489
2012-12-06

Pump overspeed protection method and machine using same

#161
20120283966
2012-11-08

Hydraulic signature tester

#162
20120227983
2012-09-13

Safety valve control system and method of use

#163
20120073670
2012-03-29

Valve actuator control system and method of use

#164
20120042721
2012-02-23

PARTIAL STROKE TESTING SYSTEM COUPLED WITH FUEL CONTROL VALVE

#165
20120031494
2012-02-09

SAFETY VALVE CONTROL SYSTEM AND METHOD OF USE

#166
20110302913
2011-12-15

Hydrostatic System Having A Hydropneumatic Accumulator

#167
20110259095
2011-10-27

Hydraulic signature tester

#168
20110226370
2011-09-22

Accumulator

#169
20110072821
2011-03-31

Control Device and Method for a Quick-Acting Gate Valve of a Steam Turbine

#170
20100327207
2010-12-30

Biasing apparatus for use with actuators

#171
20100116347
2010-05-13

Safety override circuit for pneumatic positioner and method of use thereof

#172
20100024902
2010-02-04

Hydraulic connection assembly with a pressure discharge control, positionable between an onboard hydraulic circuit of an engineering vehicle and a removable hydraulic equipment

#173
20090222233
2009-09-03

Partial stroke testing system coupled with fuel control valve

#174
20090165457
2009-07-02

Double redundancy electro hydrostatic actuator system

#175
20090057044
2009-03-05

Hydraulic Pump Unit For A Hydraulic Cab-Tilting Mechanism

#176
20090045363
2009-02-19

Modular arrangement with modules, which are added in a series direction and are formed at least partially as valve modules

#177
20080083324
2008-04-10

Adjustment element with a cylinder

#178
20080080985
2008-04-03

Safe over-center pump/motor

#179
20080078456
2008-04-03

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

#180
20080078455
2008-04-03

Compact Manifolded Fail Safe Hydraulic Control System

#181
20080023430
2008-01-31

Lifter Provided with a Safety Stop

#182
20080016861
2008-01-24

Hydraulic controller for working machine

#183
20070194738
2007-08-23

Actuator

#184
20070183901
2007-08-09

Safety override circuit for pneumatic positioner and method of use thereof

#185
20070130932
2007-06-14

Pressure switch control for attachment coupling system

#186
20070113899
2007-05-24

Compact manifolded fail safe hydraulic control system

#187
20070089408
2007-04-26

HYDRAULIC CONTROLLER FOR WORKING MACHINE

#188
20060288863
2006-12-28

Hydraulic circuit for working machine

#189
20060218914
2006-10-05

Hydraulic control arrangement

#190
20060186735
2006-08-24

Method for monitoring a hydro-electrical brake system

#191
20060032222
2006-02-16

Forestry machine with hydraulic system and method for rotor braking

#192
20050236053
2005-10-27

Solenoid valve with manual buttons

#193
20050188834
2005-09-01

Hydraulic cylinder

#194
20050098030
2005-05-12

Hydrostatic drive system with a safety device

#195
20050072473
2005-04-07

Self-contained hydraulic ESD system

#196
20050021189
2005-01-27

Self-contained electronic pressure monitoring and shutdown device

#197
20050002796
2005-01-06

Method for controlling a pressure supply device in a hydraulic circuit

#198
18455100
2026-01-20

Platform apparatuses

#199
18428969
2024-11-12

Hydraulic jack

#200
15922129
2020-02-04

Electronically controlled pressure relief valve system

#201
14127710
2014-11-04

Working vehicle and method for controlling the working vehicle