ClassID:

146085

F15B15/1447 - 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; Component parts; Constructional details Pistons; Piston to piston rod assemblies

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

STACKED HYDRAULIC TOOL ARRANGEMENT

#2
20260110313
2026-04-23

CONTROL HANDLE OF PHOTOGRAPHY SUPPORT STAND AND PHOTOGRAPHY SUPPORT STAND

#3
20260103170
2026-04-16

Vehicle Leveling System

#4
20260092611
2026-04-02

Dual-Parallel Actuator Piston Interface

#5
20260085676
2026-03-26

Pump Assembly with Hydraulic System Cooling

#6
20260078780
2026-03-19

MODULAR RECIPROCATING PUMP ROD COLUMN SYSTEM, ROD COLUMN ASSEMBLY, PLUNGER ROD COLUMN ASSEMBLY, AND METHODS OF USE

#7
20260071637
2026-03-12

HYDRAULIC CYLINDER

#8
20260070391
2026-03-12

HYDRAULICALLY-ADJUSTABLE PRELOAD AND/OR CROSS-OVER

#9
20260063152
2026-03-05

SINGLE ACTING HYDRAULIC CYLINDER WITH HEAD END CUSHIONING

#10
20260043424
2026-02-12

DILATANT FLUID BASED OBJECT MOVEMENT CONTROL MECHANISM

#11
20260028897
2026-01-29

ENERGY DELIVERY SYSTEM FOR SUPPLYING HYDRAULIC PRESSURE FOR SEVERING AN INTERVENTON MEDIUM

#12
20260016001
2026-01-15

REDUCED SIZE FLUID TRANSFER AND DEPRESSURIZATION APPARATUS, CONTROL, AND ASSOCIATED METHODS

#13
20260014938
2026-01-15

FOLDABLE WEATHER MEASUREMENT DEVICE MOUNTED ON A MOVING BODY TO OBSERVE THE WEATHER IN REAL TIME

#14
20250389286
2025-12-25

READILY-OPERABLE HYDRAULIC CYLINDER

#15
20250387895
2025-12-25

HYDRAULIC TOOL HAVING RAM PISTON WITH INTEGRATED OVERLOAD ASSEMBLY

#16
20250382979
2025-12-18

PISTON-TYPE GAS-POWERED WELL-BASED ENERGY STORAGE AND POWER GENERATION SYSTEM

#17
20250369533
2025-12-04

ACTUATOR, OPEN/CLOSE VALVE MECHANISM, AND FLUID CONTROL DEVICE

#18
20250362157
2025-11-27

Swivel Angle Measuring Device on a Hydrostatic Axial Piston Machine with Variable Stroke Volume

#19
20250361889
2025-11-27

ACTUATOR ASSEMBLY FOR A HEAVY CONSTRUCTION MACHINE

#20
20250341224
2025-11-06

ELECTRO-FLUIDIC DRIVE SYSTEM

#21
20250334135
2025-10-30

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

#22
20250264120
2025-08-21

AEROSPACE ACTUATOR STROKE LIMITING DEVICE

#23
20250243883
2025-07-31

PNEUMATIC DRIVE DEVICE FOR TRANSLATIONAL AND/OR ROTATIONAL MOVEMENT

#24
20250237241
2025-07-24

PISTON-CYLINDER UNIT, SET COMPRISING A PISTON-CYLINDER UNIT AND A GROUP OF PISTON-CYLINDER UNITS

#25
20250221752
2025-07-10

EXTRACTOR DEVICE

#26
20250154968
2025-05-15

ELECTRIC CYLINDER DEVICE

#27
20250137474
2025-05-01

APPARATUS AND METHOD FOR RECIRCULATING HYDRAULIC FLUID

#28
20250137441
2025-05-01

GRAVITY POWERED HYDRAULIC PISTON ENGINE AND GRAVITY POWERED HYDRAULIC PISTON ENGINE GENERATOR APPARATUS AND METHODS TO USE THE SAME

#29
20250101997
2025-03-27

HYDRAULIC CYLINDER AND SYSTEM WITH PRESSURE INTENSIFICATION

#30
20250027518
2025-01-23

HYDRAULIC ACTUATOR AND METHOD FOR OPERATING

#31
20250012300
2025-01-09

Dual -System Hydraulic Actuator

#32
20240426326
2024-12-26

Dual-Parallel Actuator Piston Interface

#33
20240418466
2024-12-19

FLUID POWER ACTUATOR UTILIZING A SCREW ASSEMBLY

#34
20240344536
2024-10-17

HYDRAULIC STABILIZATION DEVICE

#35
20240344535
2024-10-17

HYDRAULIC CYLINDER

#36
20240327126
2024-10-03

EXTRACTOR DEVICE

#37
20240318673
2024-09-26

DILATANT FLUID BASED OBJECT MOVEMENT CONTROL MECHANISM

#38
20240308047
2024-09-19

HYDRAULIC TOOL HAVING RAM PISTON WITH INTEGRATED OVERLOAD ASSEMBLY

#39
20240306525
2024-09-19

DOWN FORCE CONTROL IN AN AGRICULTURAL IMPLEMENT

#40
20240301896
2024-09-12

PISTON FOR A BRAKE CALIPER

#41
20240288009
2024-08-29

Working cylinder and method for the production thereof

#42
20240262513
2024-08-08

SAFETY DEVICE AND FLIGHT VEHICLE PROVIDED WITH SAFETY DEVICE

#43
20240255010
2024-08-01

ACTUATOR, SAFETY DEVICE, AND FLYING BODY

#44
20240217613
2024-07-04

BICYCLE OPERATING DEVICE

#45
20240180081
2024-06-06

WINDROW MERGER AND METHOD FOR FORMING WINDROWS THROUGH A WINDROW MERGER WHICH COLLECTS AGRICULTURAL PRODUCTS FROM A FIELD

#46
20240175454
2024-05-30

Pneumatic-hydraulic control device

#47
20240141927
2024-05-02

ELECTRO-FLUIDIC REMOTE DRIVE

#48
20240140612
2024-05-02

GEAR PUMP, DRIVE DEVICE AND ADJUSTABLE-PITCH PROPELLER

#49
20240140388
2024-05-02

VEHICLE BRAKE APPARATUS

#50
20240124166
2024-04-18

Shockless spacecraft dispenser

#51
20240102496
2024-03-28

Bottom cylinder for high-temperature and high-pressure environment simulator

#52
20240068493
2024-02-29

PRESSING CYLINDER FOR A MATERIAL CONVEYING DEVICE

#53
20240060515
2024-02-22

FLUID PRESSURE DRIVING DEVICE

#54
20240052818
2024-02-15

RECIPROCATING PISTON PUMP

#55
20240035496
2024-02-01

Piston unit of a working cylinder

#56
20240035495
2024-02-01

HYDRAULIC SURGE DAMPENER

#57
20240026867
2024-01-25

SERVO ARRANGEMENT

#58
20240017705
2024-01-18

PEDAL FEEL SIMULATOR

#59
20240011512
2024-01-11

REDUCED SIZE FLUID TRANSFER AND DEPRESSURIZATION APPARATUS, CONTROL, AND ASSOCIATED METHODS

#60
20240007037
2024-01-04

AIR COMPRESSOR

#61
20230331205
2023-10-19

HYDRAULIC APPARATUS, BRAKING APPARATUS, BRAKING SYSTEM, AND BRAKING CONTROL METHOD

#62
20230211872
2023-07-06

Aircraft control surface with integrated hydraulic actuator

#63
20230191582
2023-06-22

Hydraulic tool having ram piston with integrated overload assembly

#64
20230182888
2023-06-15

STABILITY AND CONTROL AUGMENTATION SYSTEM ACTUATOR

#65
20230175530
2023-06-08

HYDRAULIC BOOSTER USING VARIABLE-VOLUME PISTON

#66
20230166790
2023-06-01

Articulated truck steering

#67
20230139420
2023-05-04

Shear thickening fluid based object movement control method and mechanism

#68
20230107542
2023-04-06

Multi-shear thickening fluid enabled object movement control mechanism

#69
20230103233
2023-03-30

DILATANT FLUID BASED OBJECT MOVEMENT CONTROL MECHANISM

#70
20230099456
2023-03-30

Dilatant fluid based object movement control mechanism

#71
20230074463
2023-03-09

Tool and method for crimping a part on a support

#72
20230046193
2023-02-16

Reciprocating piston pump comprising a housing defining a first chamber and a second chamber cooperating with a first piston and a second piston to define a third chamber and a fourth chamber

#73
20220411193
2022-12-29

Orthopedic screw extractor

#74
20220397131
2022-12-15

Piston unit of a working cylinder

#75
20220379993
2022-12-01

Operating device for human-powered vehicle

#76
20220356659
2022-11-10

Pneumatic fare gate

#77
20220333622
2022-10-20

Air cylinder, head cover, and rod cover

#78
20220325728
2022-10-13

Flow rate controller and drive device equipped with same

#79
20220314383
2022-10-06

Work support

#80
20220307230
2022-09-29

Cylinder, hydraulic system, construction machine and procedure

#81
20220299048
2022-09-22

CYLINDER WITH AUTOMATIC HYDRAULIC FLUID CIRCULATION

#82
20220243746
2022-08-04

Hydraulic cylinder monitoring

#83
20220145847
2022-05-12

Fluid-driven linear motor

#84
20220120296
2022-04-21

Method for manufacturing a piston rod unit and a hollow shaft

#85
20220049728
2022-02-17

Fluid-actuated linear drive

#86
20220041029
2022-02-10

HYDRAULICALLY-ADJUSTABLE PRELOAD AND/OR CROSS-OVER

#87
20220031544
2022-02-03

Cylinder device for a hydraulic lifting device with distance measurement, hydraulic lifting device, chassis and mobile device

#88
20220025912
2022-01-27

Lift arm lifting and lowering mechanism

#89
20210394841
2021-12-23

Autonomous surface crawling robot

#90
20210381543
2021-12-09

Fluid-cable transmission for remote actuation

#91
20210381199
2021-12-09

Hydraulic cylinder, for example for use with a hydraulic tool

#92
20210324882
2021-10-21

ROD-LESS CYLINDER WITH TWO PISTONS

#93
20210317635
2021-10-14

APPARATUS FOR OPERATING A MACHINE WORK TOOL

#94
20210246913
2021-08-12

Fluid circuit selection system and fluid circuit selection method

#95
20210088036
2021-03-25

Reciprocating piston pump comprising a housing defining a first chamber and a second chamber cooperating with a first piston and a second piston to define a third chamber and a fourth chamber

#96
20210062834
2021-03-04

Hydrostatic pressure cylinder

#97
20210048046
2021-02-18

Piston and cylinder unit including a radially installed piston position detection unit

#98
20210041004
2021-02-11

Gas cylinder and gas spring for preventing gas leakage, and method for manufacturing same

#99
20210040962
2021-02-11

Fluid actuator

#100
20210010493
2021-01-14

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

#101
20210010492
2021-01-14

Pistonless double-acting cylinder apparatus cross-reference to related applications

#102
20200386143
2020-12-10

Fluid compressor and method of operating a fluid compressor to reduce oil carryover by a compressor piston assembly

#103
20200318657
2020-10-08

Spool valve and piston geometry to reduce cavitation effects in a linear actuator

#104
20200307535
2020-10-01

Unit having at least one piston with an associated piston spring

#105
20200291969
2020-09-17

Retention systems for light weight actuator glands

#106
20200283111
2020-09-10

Piston structure body and lifting device of watercraft propulsion apparatus

#107
20200269935
2020-08-27

Depression operated tilting pump apparatus and cab tilting system employing the pump apparatus

#108
20200248728
2020-08-06

Piston unit and hydraulic cylinder

#109
20200248726
2020-08-06

Pistone for hydraulic machines with axial pistons

#110
20200231205
2020-07-23

Power steering gear assembly having an end of travel valve assembly

#111
20200224735
2020-07-16

Pneumatic clutch actuator

#112
20200217389
2020-07-09

HYDRAULIC DEVICE

#113
20200072254
2020-03-05

Rod assembly and fluid pressure device

#114
20200063865
2020-02-27

Piston assembly and fluid pressure device

#115
20200062508
2020-02-27

POP-UP WHEEL DEVICE FOR USE IN MATERIAL HANDLING EQUIPMENT

#116
20200025223
2020-01-23

Piston assembly for rephasing a fluid-driven actuator

#117
20200018331
2020-01-16

Controller

#118
20200003236
2020-01-02

Shaft coupling structure and fluid pressure apparatus

#119
20190367144
2019-12-05

Outboard motor raising/lowering device

#120
20190337149
2019-11-07

AN ACTUATOR HAVING AT LEAST TWO RODS ARRANGED FOR INDIVIDUALLY MOTION

#121
20190331253
2019-10-31

Thermal volume control for an actuator assembly

#122
20190291838
2019-09-26

Outboard motor raising/lowering device

#123
20190257389
2019-08-22

Chain tensioner

#124
20190242443
2019-08-08

Clutch mechanism and piston

#125
20190234434
2019-08-01

Multi-purpose and tunable pressure chamber for pyrotechnic actuator

#126
20190217945
2019-07-18

Hybrid actuator

#127
20190217373
2019-07-18

Hydraulic cylinder

#128
20190195248
2019-06-27

Fluidic cylinder

#129
20190178041
2019-06-13

Hydraulic multi-displacement hoisting cylinder system

#130
20190154150
2019-05-23

Actuator assembly having self-lubricating components

#131
20190085911
2019-03-21

Piston for clutch assembly

#132
20190085872
2019-03-21

HYDRAULIC DEVICE

#133
20190084765
2019-03-21

Pop-up wheel device for use in material handling equipment

#134
20190072117
2019-03-07

Hybrid spring for a hydraulic cylinder

#135
20190063472
2019-02-28

Low profile electro-hydrostatic actuator

#136
20190016379
2019-01-17

Hydraulic steering system of a work vehicle

#137
20180338618
2018-11-29

Resettable pressure bar module

#138
20180319000
2018-11-08

Hydraulically actuated piston guided in a cylinder, and hydraulic working tool

#139
20180298927
2018-10-18

Fluid pressure cylinder

#140
20180298926
2018-10-18

Fluid pressure cylinder

#141
20180283416
2018-10-04

Actuator and fluid pressure control circuit having the same

#142
20180274600
2018-09-27

Automatic transmission

#143
20180266450
2018-09-20

Actuator and fluid pressure control circuit having the same

#144
20180223878
2018-08-09

HYDRAULIC ACTUATOR, PARTICULARLY OF THE SHOCK ABSORBING AND/OR DAMPING TYPE

#145
20180187673
2018-07-05

SELF-RECIPROCATING HYDRAULIC LINEAR ACTUATOR

#146
20180172036
2018-06-21

Fluid pressure cylinder

#147
20180172034
2018-06-21

PLUNGER MEMBER USED FOR BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION

#148
20180156249
2018-06-07

Cylinder device

#149
20180135664
2018-05-17

Fluid pressure cylinder

#150
20180135663
2018-05-17

Fluid pressure cylinder

#151
20180118255
2018-05-03

Power steering gear assembly having an end of travel valve assembly

#152
20180106279
2018-04-19

Waste water air stop valve

#153
20180093403
2018-04-05

Actuator apparatus and method enabling multiple piston velocities

#154
20180045327
2018-02-15

Thermal volume control for an actuator assembly

#155
20180031011
2018-02-01

Fluid pressure cylinder with boosting mechanism

#156
20180023725
2018-01-25

No-bolt security latching system

#157
20180003201
2018-01-04

Servo with increased release force

#158
20170363119
2017-12-21

Linear actuator

#159
20170350423
2017-12-07

Rotary actuator

#160
20170321819
2017-11-09

Reverse taper piston for pneumatic actuators

#161
20170314583
2017-11-02

Actuator rate control with energy absorbing pressure relief system

#162
20170314581
2017-11-02

Fluid actuator arrangement

#163
20170313414
2017-11-02

Rod end

#164
20170276152
2017-09-28

Transmission and transmission clutch system

#165
20170261015
2017-09-14

Trim and tilt apparatus for marine vessel propulsion machine and marine vessel propulsion machine

#166
20170261014
2017-09-14

Trim and tilt apparatus for marine vessel propulsion machine and marine vessel propulsion machine

#167
20170254159
2017-09-07

Inverted pull-up riser tensioner

#168
20170159682
2017-06-08

Devices having a volume-displacing ferrofluid piston

#169
20170152015
2017-06-01

Dual-purpose locking and folding arrangement for an aircraft wing tip device

#170
20170151701
2017-06-01

Actuator apparatus and method enabling multiple piston velocities

#171
20170146037
2017-05-25

Pneumatic Actuator

#172
20170146034
2017-05-25

A FLUID ACTUATOR ARRANGEMENT

#173
20170128311
2017-05-11

Power transmission device and motion assistance device comprising the same

#174
20170122454
2017-05-04

Electro-Hydraulic Actuator

#175
20170122346
2017-05-04

Hydraulic unit for a mobile hydraulic tool

#176
20170122345
2017-05-04

Multivariable actuator pressure control

#177
20170120493
2017-05-04

Actuator apparatus and method enabling multiple piston velocities

#178
20170102014
2017-04-13

Telescopic pneumatic linear actuator, particularly for unwinders with movable arms

#179
20170102013
2017-04-13

Single acting hydraulic cylinder

#180
20170102012
2017-04-13

Hybrid metallic/composite piston head joint

#181
20170097022
2017-04-06

Fluid pressure cylinder

#182
20170089367
2017-03-30

Displacement control unit

#183
20170088256
2017-03-30

Hydraulic cylinder for aircraft landing gear

#184
20170082202
2017-03-23

SEALS FOR NATURAL GAS COMPRESSOR

#185
20170074059
2017-03-16

Hydraulic multi-displacement hoisting cylinder system

#186
20170072551
2017-03-16

Collet hydraulic hammer bushing

#187
20170051767
2017-02-23

Connector

#188
20170037880
2017-02-09

Hydraulic cylinder, particularly slave cylinder for a hydraulic clutch actuating system for motor vehicles

#189
20170036273
2017-02-09

Power transfer device, orbital pipe cutting device and hydraulic chucking device

#190
20170009785
2017-01-12

Multi-chamber diaphragm actuator with synchronized supply system

#191
20160377099
2016-12-29

Linear actuator

#192
20160375512
2016-12-29

Pneumatic device for a pneumatic saw

#193
20160363233
2016-12-15

Piston for pnuematic actuator in high vibration environment

#194
20160363221
2016-12-15

High vibration pneumatic piston assembly made from additive manufacturing

#195
20160332725
2016-11-17

Aircraft landing gear with orientable lower part

#196
20160327071
2016-11-10

Remote controlled electronic actuation of a trigger device for a locking gas spring

#197
20160319849
2016-11-03

Adjustable travel stop for a piston actuator

#198
20160305456
2016-10-20

Hydraulic actuator and method of producing the same

#199
20160273556
2016-09-22

High output hydraulic cylinder and piston arrangement

#200
20160238044
2016-08-18

Column type hydraulic tappet

#201
20160222993
2016-08-04

Composite actuator piston head assembly

#202
20160208660
2016-07-21

Hydraulic lash adjuster

#203
20160201697
2016-07-14

VARIABLE WOBBLER FOR HYDRAULIC UNIT

#204
20160169381
2016-06-16

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

#205
20160169254
2016-06-16

Oil hydraulic cylinder and spindle thereof

#206
20160160893
2016-06-09

Fluid pressure cylinder

#207
20160159377
2016-06-09

Brake piston assembly

#208
20160137180
2016-05-19

Primary piston of a tandem master cylinder

#209
20160091001
2016-03-31

Method for determining a control force of an actuator

#210
20160091000
2016-03-31

DEVICE FOR THE STORAGE AND GENERATION OF POWER

#211
20160084280
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#212
20160061233
2016-03-03

Electric hydraulic actuator

#213
20160061232
2016-03-03

Energy efficient fluid powered linear actuator with variable area

#214
20160032948
2016-02-04

Variable displacement piston-in-piston hydraulic unit

#215
20160025218
2016-01-28

Floating piston

#216
20160024756
2016-01-28

Hydraulic actuator

#217
20150377262
2015-12-31

Modular actuator with snubbing arrangement

#218
20150377261
2015-12-31

Pressure generator for a hydraulic vehicle brake system

#219
20150354608
2015-12-10

Drive unit of a fluid-actuated linear drive and method for its manufacture

#220
20150337875
2015-11-26

Hydraulic Actuator Gland

#221
20150323072
2015-11-12

Actuator with screw-in gland and detent structure

#222
20150322977
2015-11-12

Multi-purpose and tunable pressure chamber for pyrotechnic actuator

#223
20150322971
2015-11-12

Separating device for fluid media

#224
20150300383
2015-10-22

Passive piston hydraulic device with partition

#225
20150300382
2015-10-22

Bicycle seat post height adjustment mechanism

#226
20150275935
2015-10-01

Crimpless piston-slipper assembly

#227
20150267723
2015-09-24

GAS CYLINDER

#228
20150233396
2015-08-20

Cylinder having a floating piston, swivel cap, and lubricated rod

#229
20150226326
2015-08-13

Piston unit of a working cylinder

#230
20150226325
2015-08-13

Piston unit of a working cylinder

#231
20150204456
2015-07-23

Combination diaphragm piston actuator

#232
20150184682
2015-07-02

Cylinder having a floating piston, low profile swivel cap, and lubricated rod

#233
20150152899
2015-06-04

Pressure wave generator with movable control rod for generating a pressure wave in a medium

#234
20140308066
2014-10-16

Swivel cap

#235
20140191456
2014-07-10

Actuator and clamp device using same

#236
20140157981
2014-06-12

Fluid pressure cylinder

#237
20140138564
2014-05-22

Combination diaphragm piston actuator

#238
20140102293
2014-04-17

SELF ALIGNING CYLINDER PISTON AND ROD BEARING AND METHOD OF MANUFACTURE THEREOF

#239
20140096676
2014-04-10

Cylindrical liner for piston actuator

#240
20140076157
2014-03-20

Piston assembly, fluid pressure cylinder, method for manufacturing piston assembly

#241
20140069271
2014-03-13

Coupling structure for piston used in fluid-pressure cylinder, and coupling method therefor

#242
20130336827
2013-12-19

Fluid pressure cylinder

#243
20130192948
2013-08-01

Drivetrain-clutch arrangement and fluid cylinder therefor

#244
20130061741
2013-03-14

DUAL MODE FLUID POWERED ACTUATOR

#245
20130008304
2013-01-10

Cylinder

#246
20120180299
2012-07-19

INTEGRITY OF THE UNION BETWEEN COMPONENTS

#247
20120151911
2012-06-21

COMBINATION OF A CHAMBER AND A PISTON, A PUMP, A MOTOR, A SHOCK ABSORBER AND A TRANSDUCER INCORPORATING THE COMBINATION

#248
20110247446
2011-10-13

Hexapod platform and jack that can be used in the hexapod platform

#249
20110151042
2011-06-23

Extrusion device

#250
20110146262
2011-06-23

Electrohydraulic actuator with a pump incorporated in the piston

#251
20110120300
2011-05-26

Linear actuator and position sensing apparatus therefor

#252
20110079141
2011-04-07

Hydraulic cylinder that will automatically expunge air and self level

#253
20110067564
2011-03-24

Hydraulic cylinder

#254
20110048363
2011-03-03

Cylinder

#255
20100247357
2010-09-30

Device comprising a combination of a chamber and a piston

#256
20100224057
2010-09-09

J-ME modular, internally shifting, double acting, linear fluid actuator system

#257
20100206163
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