ClassID:

146094

F15B15/149 - CPC Classification

Classification description:

Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith; Characterised by the construction of the motor unit of the straight-cylinder type Fluid interconnections, e.g. fluid connectors, passages

Recent Application in this class:
#1
20260117803
2026-04-30

STACKED HYDRAULIC TOOL ARRANGEMENT

#2
20260063152
2026-03-05

SINGLE ACTING HYDRAULIC CYLINDER WITH HEAD END CUSHIONING

#3
20250389284
2025-12-25

MUSCLE ACTUATOR SYSTEM

#4
20250334135
2025-10-30

SEAL PLATE METHOD FOR COMMUNICATING RETRACT OIL TO RETRACT SIDE OF PISTON IN HYDRAULIC CYLINDER

#5
20250122895
2025-04-17

Hydraulic Cylinder with Inflatable Seals

#6
20250052263
2025-02-13

MUSCLE ACTUATOR SYSTEM

#7
20250012300
2025-01-09

Dual -System Hydraulic Actuator

#8
20240360851
2024-10-31

HYDRAULIC CYLINDER ASSEMBLY

#9
20240344535
2024-10-17

HYDRAULIC CYLINDER

#10
20240227741
2024-07-11

DEVICE FOR REVVING A VEHICLE ENGINE

#11
20240218889
2024-07-04

Fluid pressure cylinder

#12
20240132025
2024-04-25

DEVICE FOR REVVING A VEHICLE ENGINE

#13
20240068491
2024-02-29

Automatic oil return structure for piston pump

#14
20240060518
2024-02-22

Fluid injection or suction device

#15
20240060515
2024-02-22

FLUID PRESSURE DRIVING DEVICE

#16
20240018732
2024-01-18

Energy-saving and gas-efficient pneumatic barrier gate device

#17
20230407987
2023-12-21

Safety Device

#18
20230296117
2023-09-21

Seal groove cooling flow

#19
20230228284
2023-07-20

CYLINDER ON DEMAND HYDRAULIC DEVICE

#20
20230175535
2023-06-08

Cylinder connection assembly, cylinder and tightening module

#21
20230175415
2023-06-08

On-line verifiable trip and throttle valve actuator

#22
20230160401
2023-05-25

ACTUATOR WITH INTEGRATED COOLING

#23
20230045934
2023-02-16

ACTUATOR WITH OFFSET SUPPLY PORT

#24
20230045779
2023-02-09

Cylinder device

#25
20230008971
2023-01-12

METHODS AND SYSTEMS RELATING TO IMPROVEMENTS IN RELIABILITY OF FLUID POWER ACTUATORS

#26
20220412378
2022-12-29

Medical-robot pneumatic drive mechanism

#27
20220381265
2022-12-01

HYDRAULIC OIL-CIRCUIT SYSTEM AND HYDRAULIC JACK

#28
20220325729
2022-10-13

CYLINDER ON DEMAND HYDRAULIC DEVICE

#29
20220299048
2022-09-22

CYLINDER WITH AUTOMATIC HYDRAULIC FLUID CIRCULATION

#30
20220268386
2022-08-25

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

#31
20220268298
2022-08-25

Fluid circuit for air cylinder

#32
20220258444
2022-08-18

Piston-cylinder assembly of a hydraulic press

#33
20220234709
2022-07-28

Steering device, steering device for ship and switching valve

#34
20220178425
2022-06-09

Device and a system for controlling the turning of an object

#35
20220090612
2022-03-24

Pneumatic actuator end cap having an integral volume booster

#36
20220049728
2022-02-17

Fluid-actuated linear drive

#37
20220025913
2022-01-27

Fluid pressure cylinder

#38
20220025911
2022-01-27

CYLINDER DEVICE

#39
20210388855
2021-12-16

Gas cylinder

#40
20210381543
2021-12-09

Fluid-cable transmission for remote actuation

#41
20210381199
2021-12-09

Hydraulic cylinder, for example for use with a hydraulic tool

#42
20210372438
2021-12-02

Cylinder bypass

#43
20210332833
2021-10-28

Hydraulic actuator

#44
20210207620
2021-07-08

Valve system for pneumatic cylinders

#45
20210199195
2021-07-01

Cylinder device

#46
20210155353
2021-05-27

AUGMENTED PRESSURIZED SPACESUIT

#47
20210123464
2021-04-29

Cylinder on demand hydraulic device

#48
20210010570
2021-01-14

Tensioner

#49
20210010493
2021-01-14

Hydrokinetic torque-coupling device having lock up clutch with dual piston assembly

#50
20200378407
2020-12-03

Hydraulic actuator

#51
20200367922
2020-11-26

Differential pressure motor and method for operating a differential pressure motor

#52
20200340503
2020-10-29

Hydrostatic linear drive system

#53
20200232486
2020-07-23

Hydraulic cylinder and facility implementing at least one such hydraulic cylinder

#54
20200231205
2020-07-23

Power steering gear assembly having an end of travel valve assembly

#55
20200217389
2020-07-09

HYDRAULIC DEVICE

#56
20200173466
2020-06-04

REMOVABLE CABLE FOR AN ACTUATOR

#57
20200158145
2020-05-21

Connection Tube for Hydraulic Cylinder

#58
20200079453
2020-03-12

Actuation device and telescopic apparatus

#59
20200056634
2020-02-20

Valve system for pneumatic cylinders

#60
20200049174
2020-02-13

Control System for a Control Valve

#61
20200049171
2020-02-13

Hydraulic operating device for a cycle or for a motorcycle comprising a float valve

#62
20200049170
2020-02-13

HYDRAULIC OPERATING DEVICE FOR A CYCLE OR FOR A MOTORCYCLE COMPRISING A DISTRIBUTION BODY OF HYDRAULIC FLUID

#63
20200040905
2020-02-06

Hydraulic rotary feed-through

#64
20200039762
2020-02-06

Height-adjusting device for a gripping and transporting means for containers

#65
20200024918
2020-01-23

Linear actuator with hydraulic feed through

#66
20200010109
2020-01-09

Hydraulic bi-directional flow switches

#67
20190390419
2019-12-26

Gangway having position locking assembly

#68
20190368519
2019-12-05

HYDRAULIC ACTUATOR

#69
20190367144
2019-12-05

Outboard motor raising/lowering device

#70
20190296217
2019-09-26

Actuator and soft robot

#71
20190291838
2019-09-26

Outboard motor raising/lowering device

#72
20190219075
2019-07-18

Cylinder with check valve

#73
20190203745
2019-07-04

Self-cleaning mechanism for pneumatic central clutch release

#74
20190195247
2019-06-27

Hydraulic flowpath through a cylinder wall

#75
20190170166
2019-06-06

Machine tool

#76
20190152588
2019-05-23

Shock strut with integral shrink piston actuator

#77
20190107198
2019-04-11

Fouling prevention system for submerged hydraulic cylinders

#78
20190106300
2019-04-11

Crane

#79
20190101141
2019-04-04

Method and apparatus for controlling a double-acting pneumatic actuator

#80
20190077425
2019-03-14

RAILWAY VEHICLE VIBRATION DAMPING DEVICE

#81
20190071136
2019-03-07

Tilting system for a suspended cab of a work vehicle

#82
20190063475
2019-02-28

Actuator cooling flow limiter

#83
20190063015
2019-02-28

Gangway having position locking assembly

#84
20190017522
2019-01-17

Synchronizing cylinder for extruder

#85
20190010029
2019-01-10

Expansion/contraction mechanism

#86
20190003498
2019-01-03

Ram air turbine structures for temperature dependent damping

#87
20190003495
2019-01-03

Harvester head reel rephasing

#88
20180355894
2018-12-13

Milking robot with cylinder system

#89
20180355892
2018-12-13

Fluid control valve

#90
20180338618
2018-11-29

Resettable pressure bar module

#91
20180334956
2018-11-22

ROD FOR A VARIABLE COMPRESSION RATIO ENGINE

#92
20180320715
2018-11-08

Fail-fixed hydraulic actuator

#93
20180283420
2018-10-04

Control system for a control valve

#94
20180252245
2018-09-06

Underwater actuator and underwater vehicle including the same

#95
20180238356
2018-08-23

Electro-hydraulic actuator

#96
20180195533
2018-07-12

VALVE SYSTEM FOR PNEUMATIC CYLINDERS

#97
20180180189
2018-06-28

Valve system for pneumatic cylinders

#98
20180178837
2018-06-28

Implement steering system

#99
20180172153
2018-06-21

Control arrangement for a transmission brake with a quick exhaust valve

#100
20180156247
2018-06-07

Double-acting hydraulic cylinder

#101
20180156245
2018-06-07

Rotary Drive with Functional Module Arrangement

#102
20180128291
2018-05-10

Hydraulic flowpath through a cylinder wall

#103
20180119817
2018-05-03

Fluid actuator arrangement

#104
20180118255
2018-05-03

Power steering gear assembly having an end of travel valve assembly

#105
20180094653
2018-04-05

Position dependent valve device for control cylinder

#106
20180093403
2018-04-05

Actuator apparatus and method enabling multiple piston velocities

#107
20180080483
2018-03-22

Fluid pressure cylinder

#108
20180058481
2018-03-01

Vented linear actuator

#109
20180051722
2018-02-22

Single-acting hydraulic cylinder

#110
20180038063
2018-02-08

Single cylinder hydraulic coupler

#111
20180037251
2018-02-08

Hydraulic bi-directional flow switches

#112
20180031011
2018-02-01

Fluid pressure cylinder with boosting mechanism

#113
20180029680
2018-02-01

Method of arranging the lubrication of a controllable pitch propeller arrangement of a marine vessel and a lubrication arrangement therefor

#114
20180023725
2018-01-25

No-bolt security latching system

#115
20180003201
2018-01-04

Servo with increased release force

#116
20170350423
2017-12-07

Rotary actuator

#117
20170336002
2017-11-23

Adapter for mounting a cylinder for a fluid powered linear actuator to a fluid channel

#118
20170328445
2017-11-16

Autonomous hydraulic expansion and contraction apparatus

#119
20170321730
2017-11-09

Device mounting structure

#120
20170314585
2017-11-02

Fluid-operated apparatus, method, and circuit

#121
20170314583
2017-11-02

Actuator rate control with energy absorbing pressure relief system

#122
20170314462
2017-11-02

Variable compression ratio internal combustion engine

#123
20170314312
2017-11-02

Fixing device

#124
20170298963
2017-10-19

Integral Hydraulic System

#125
20170291636
2017-10-12

Implement steering system

#126
20170268562
2017-09-21

Variable compression ratio apparatus

#127
20170241446
2017-08-24

High-precision hydraulic actuator

#128
20170227026
2017-08-10

Hydraulic servo valve

#129
20170227023
2017-08-10

Hydraulic actuator and method for operating a hydraulic actuator

#130
20170218984
2017-08-03

CYLINDER DEVICE

#131
20170211246
2017-07-27

Gangway having hydraulic position locking assembly

#132
20170159682
2017-06-08

Devices having a volume-displacing ferrofluid piston

#133
20170152873
2017-06-01

Fluid pressure cylinder

#134
20170151701
2017-06-01

Actuator apparatus and method enabling multiple piston velocities

#135
20170120493
2017-05-04

Actuator apparatus and method enabling multiple piston velocities

#136
20170114870
2017-04-27

Gearboxes with compound planet gears and methods of operating thereof

#137
20170102014
2017-04-13

Telescopic pneumatic linear actuator, particularly for unwinders with movable arms

#138
20170097022
2017-04-06

Fluid pressure cylinder

#139
20170058920
2017-03-02

PNEUMATIC DEVICE

#140
20170051766
2017-02-23

Cylinder

#141
20170036234
2017-02-09

Substance dispensing system

#142
20170023029
2017-01-26

Cylinder and adsorption separation device using the cylinder

#143
20170023028
2017-01-26

Vacuum powered lifting mechanism

#144
20170009785
2017-01-12

Multi-chamber diaphragm actuator with synchronized supply system

#145
20160341225
2016-11-24

Mistake proof ram air turbine downlock protection

#146
20160271758
2016-09-22

Fluid pressure cylinder

#147
20160245313
2016-08-25

Forklift, hydraulic cylinder assembly and hydraulic device thereof

#148
20160238045
2016-08-18

Single-way damping plunger cylinder and forklift comprising the same

#149
20160230900
2016-08-11

Valve device

#150
20160222994
2016-08-04

Methods and apparatus to control movement of a component

#151
20160208660
2016-07-21

Hydraulic lash adjuster

#152
20160207609
2016-07-21

Device for supplying hydraulic fluid to a ram and mechanism for controlling the pitch of the blades of a turbine engine propeller comprising the ram

#153
20160177980
2016-06-23

Flexible pneumatic actuator

#154
20160169381
2016-06-16

Hydraulic actuating device for a positive-locking shifing element of a transmission

#155
20160160893
2016-06-09

Fluid pressure cylinder

#156
20160160891
2016-06-09

Hydraulic Cylinder Structure

#157
20160153479
2016-06-02

Hydraulic adjusting device

#158
20160146230
2016-05-26

Hydraulic pressure control device for construction machinery

#159
20160146227
2016-05-26

Pilot Circuit for Working Vehicle

#160
20160138622
2016-05-19

Fluid pressure cylinder

#161
20160108939
2016-04-21

HYDRAULIC DRIVE FOR A PRESSURE BOOSTER

#162
20160107008
2016-04-21

HAND POWERED HYDRAULIC RESCUE STRUT

#163
20160076559
2016-03-17

Fluid pressure cylinder

#164
20160061232
2016-03-03

Energy efficient fluid powered linear actuator with variable area

#165
20160061231
2016-03-03

Rotary actuator

#166
20160061225
2016-03-03

Hydraulic valve arrangement

#167
20160052184
2016-02-25

End of stroke actuator bleed

#168
20150330418
2015-11-19

3-position operating actuator and permanent-magnet eddy-current deceleration device

#169
20150308466
2015-10-29

Double acting fluidic cylinder for material handling

#170
20150300383
2015-10-22

Passive piston hydraulic device with partition

#171
20150300382
2015-10-22

Bicycle seat post height adjustment mechanism

#172
20150285278
2015-10-08

Vacuum powered lifting mechanism

#173
20150285277
2015-10-08

Fluid pressure cylinder

#174
20150285276
2015-10-08

HYDRAULIC LINEAR ACTUATOR INTEGRATED INTO A HYBRID FLUID LINE, AND HYDRAULIC SYSTEM USING SAME

#175
20150285275
2015-10-08

HYDRAULIC LINEAR ACTUATOR INTEGRATED INTO A FLEXIBLE HOSE, AND HYDRAULIC CIRCUIT USING SAME

#176
20150274281
2015-10-01

Pneumatic positioning system

#177
20150260204
2015-09-17

Cylinder driving apparatus

#178
20150226239
2015-08-13

Pressurized gas-powered actuator and sealed piston rod therefor

#179
20150226237
2015-08-13

Variable cooling flow

#180
20150198186
2015-07-16

Inertially stable actuator with telescoping supply port

#181
20150184681
2015-07-02

Actuator

#182
20150175142
2015-06-25

Brake master cylinder for a motor vehicle brake system with profiled pressure piston

#183
20150167700
2015-06-18

Apparatus and methods for determining a position of a piston in a cavity

#184
20150158160
2015-06-11

Driving tool

#185
20150151421
2015-06-04

Control line operating system and method of operating a tool

#186
20150114215
2015-04-30

Coaxial dual redundant hydraulic actuator system

#187
20150096435
2015-04-09

Hydraulic devices and methods of actuating same

#188
20150060707
2015-03-05

Electro-hydraulic actuator

#189
20150020897
2015-01-22

Pneumatically drivable valve actuator and method of locking a valve closure element relative to a valve body

#190
20140360357
2014-12-11

Vented pressurized gas-powered actuator

#191
20140360356
2014-12-11

Vented pressurized gas-powered actuator

#192
20140360350
2014-12-11

Vented pressurized gas-powered actuator

#193
20140360349
2014-12-11

Hydraulic cylinder for use for example in a hydraulic tool

#194
20140352526
2014-12-04

Fluid pressure cylinder

#195
20140305299
2014-10-16

Telescoping fluid porting tube

#196
20140260226
2014-09-18

Servo actuator load vector generating system

#197
20140251126
2014-09-11

Fluid pressure cylinder and manufacturing method therefor

#198
20140246613
2014-09-04

Adapter for an assembly having a valve and a positioner

#199
20140238009
2014-08-28

Actuator

#200
20140116244
2014-05-01

Pressure control reservoir with check valve

#201
20140076154
2014-03-20

Flap actuator

#202
20130312848
2013-11-28

Face mount interface for an electro-hydraulic actuator

#203
20130312398
2013-11-28

Multiple-staged fluid operated actuator

#204
20130180397
2013-07-18

Hydraulic device of a control device, such as a blade pitch-change device

#205
20130105658
2013-05-02

Hand powered hydraulic rescue strut

#206
20130086899
2013-04-11

Hydraulic system with bi-directional regeneration

#207
20130047739
2013-02-28

Device for determining an operating state of at least one bidirectionally actuable hydraulic adjusting device of a shifting element of a transmission device

#208
20120247318
2012-10-04

Hydraulic actuator with automatic purging at the end of its stroke

#209
20120220177
2012-08-30

Trim/tilt apparatus for marine vessel propulsion machine

#210
20120186442
2012-07-26

Double Cylinder Type Hydraulic Mechanism

#211
20120160093
2012-06-28

AIR CYLINDER

#212
20110192157
2011-08-11

Cylinder device

#213
20110150373
2011-06-23

Fluid servo and applications

#214
20110073719
2011-03-31

Pipe fixing structure for cylinder tube

#215
20110041919
2011-02-24

System of identification fittings for hydraulic pressure lines

#216
20110006144
2011-01-13

Force transfer system comprising a hydraulic cylinder and a thrust bearing

#217
20100247006
2010-09-30

Pre-loaded adjustable ball bearing guide system

#218
20100186583
2010-07-29

Hollow double rod cylinder actuator

#219
20100064834
2010-03-18

Double rack and pinion oscillating device

#220
20100058753
2010-03-11

Valve assembly for an actuating device

#221
20090304847
2009-12-10

Concrete block mold with moveable liner

#222
20090301294
2009-12-10

Pressure Medium Connection and Piston-Cylinder Unit Provided Therewith

#223
20090211238
2009-08-27

Fluid Control Device And Method For The Production Thereof

#224
20090007770
2009-01-08

Pneumatic cylinder for precision servo type applications

#225
20090001674
2009-01-01

Fluid supply assembly for a shaft mounted device

#226
20080314689
2008-12-25

Lifting platform for vehicles and other objects

#227
20080236686
2008-10-02

Fluid power arrangement

#228
20080203234
2008-08-28

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

#229
20080190280
2008-08-14

Linear actuator for rotating shaft assemblies

#230
20080072590
2008-03-27

Differential piston

#231
20080006114
2008-01-10

Hydraulic actuating device for actuating a shift rod in particular of a gearbox for motor vehicles

#232
20070289439
2007-12-20

Hydraulic cylinder of outrigger

#233
20070227133
2007-10-04

Cylinder with internal pushrod

#234
20070221057
2007-09-27

Self-vacuum arrangement for pneumatic equipment

#235
20070221054
2007-09-27

Fluid actuator with limit sensors and fluid limit valves

#236
20070144819
2007-06-28

Passively rephasing piston

#237
20070144342
2007-06-28

Hydraulic linear actuating drive

#238
20070104819
2007-05-10

Linear actuator

#239
20060230649
2006-10-19

Actuator device, particularly for an orange-peel bucket

#240
20060213363
2006-09-28

Valve for hydraulic props of shield-type support frames, and shield-type support frame

#241
20060130643
2006-06-22

Hydraulic actuator with internal channels and quick connections

#242
20060117944
2006-06-08

Draining of oil leak in a hydraulic cylinder

#243
20060032369
2006-02-16

Piston-piston rod retaining assembly for a hydraulic piston and cylinder unit

#244
20060000349
2006-01-05

Regeneration manifold for a hydraulic system

#245
20050254933
2005-11-17

Apparatus driven by a pressurized medium

#246
20050229776
2005-10-20

Pneumatic cylinder for precision servo type applications

#247
20050211871
2005-09-29

Interlocking masonry blocks and method and system of making interlocking masonry blocks

#248
20050198737
2005-09-15

Hydraulic lift apparatus for a patient support

#249
20050127312
2005-06-16

Actuator for driving a valve

#250
20050121830
2005-06-09

Masonry blocks and method and system of making masonry blocks

#251
20050120670
2005-06-09

Masonry blocks and method and system of making masonry blocks

#252
20050103559
2005-05-19

Dual-circuit steer-by-wire steering system comprising a common cradle

#253
20050098326
2005-05-12

Hydraulic circuit for hydraulic cylinder

#254
20050086934
2005-04-28

Hydraulic cylinder

#255
20050025854
2005-02-03

Concrete block mold with moveable liner

#256
18660988
2025-04-15

Hydraulic cylinder top end cap

#257
18055244
2023-09-19

Automatic oil return structure for piston pump

#258
17652137
2023-05-23

Rotary servo for fixed fail actuators

#259
17565477
2022-12-06

Hydraulic power generating system

#260
16161344
2020-07-28

Reciprocating piston engine

#261
15967001
2019-04-09

Flat gripper actuator

#262
15653601
2018-05-29

Flat gripper actuator

#263
15437073
2017-10-24

Oil pressure mobile device for a wood working machine

#264
15295245
2017-08-22

Flat gripper actuator

#265
15167605
2017-01-10

Gearboxes with compound planet gears and methods of operating thereof