ClassID:

146409

F15B2211/625 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor Accumulators

Recent Application in this class:
#1
20260078778
2026-03-19

PILOT OPERATED BLOW-OFF VALVES FOR HYDRAULIC ACTUATORS

#2
20250277496
2025-09-04

ELECTRO-HYDROSTATIC ACTUATOR

#3
20250250001
2025-08-07

HYDRAULIC ENERGY RETENTION

#4
20250198122
2025-06-19

Wheeled Construction Machine

#5
20250188811
2025-06-12

ELECTRICAL ACCUMULATOR SYSTEM WITH INTERNAL TRANSFER BARRIER

#6
20250052260
2025-02-13

HYDRAULIC BRAKING ENERGY UTILIZATION FOR EMERGENCY STEERING, BRAKING, CHARGING ACCUMULATOR(S), AND/OR WORK FUNCTIONS TO REDUCE OR PREVENT ENGINE FROM OVERSPEED, ASSIST ACCELERATION AND/OR UNLIMITED TOWING

#7
20250027516
2025-01-23

PILOT PRESSURE CONTROL DEVICE

#8
20250012299
2025-01-09

PILOT OPERATED BLOW-OFF VALVES FOR HYDRAULIC ACTUATORS

#9
20240418051
2024-12-19

Electrical accumulator system with internal transfer barrier

#10
20240417067
2024-12-19

Hydraulic energy retention

#11
20240384732
2024-11-21

Actuating Device for at Least One Fluidically Drivable Consumer

#12
20240167488
2024-05-23

FLUID CIRCUIT

#13
20240068203
2024-02-29

Work machine

#14
20230392616
2023-12-07

Electro-hydrostatic actuator

#15
20230287907
2023-09-14

Hydraulic braking energy utilization for emergency steering, braking, charging accumulator(s), and/or work functions to reduce or prevent engine from overspeed, assist acceleration and/or unlimited towing

#16
20230250616
2023-08-10

Hydraulic apparatus and method for a vehicle

#17
20230220853
2023-07-13

Systems and methods for managing noise in compact high speed and high force hydraulic actuators

#18
20230160403
2023-05-25

DEPLOYABLE ENERGY SUPPLY AND MANAGEMENT SYSTEM

#19
20230139226
2023-05-04

Controller and method for hydraulic apparatus

#20
20220205461
2022-06-30

Hydraulic device, a hydraulic system and a working machine

#21
20220186750
2022-06-16

Hydraulic system and a method for controlling the same

#22
20220136535
2022-05-05

Hydraulic circuit including hydraulic decompression energy reclamation

#23
20220117161
2022-04-21

Windrower variable rate header floatation system

#24
20220097117
2022-03-31

Sheet metal working machine

#25
20220082171
2022-03-17

Hydraulic balancing control valve and ride control system incorporatng same

#26
20220071089
2022-03-10

Controlled float on an agricultural harvester for header leveling

#27
20220060022
2022-02-24

Integrated energy conversion, transfer and storage system

#28
20220032356
2022-02-03

HYDRAULIC DRIVE SYSTEM FOR A PUNCHING APPARATUS

#29
20220025914
2022-01-27

System, valve assembly, and methods for oscillation control of a hydraulic machine

#30
20220003250
2022-01-06

Electro-hydrostatic actuator system

#31
20210372078
2021-12-02

Energy recuperation system and method for construction equipment

#32
20210339811
2021-11-04

Predictively Adjustable Hydraulic Pressure Rails

#33
20210310502
2021-10-07

Hydraulic braking energy utilization for emergency steering, braking, charging accumulator(s), and/or work functions to reduce or prevent engine from overspeed, assist acceleration and/or unlimited towing

#34
20210307313
2021-10-07

Control device for an application device and application device having a control device

#35
20210262494
2021-08-26

Valve with anti-cavitation features

#36
20210262492
2021-08-26

Double-acting hydraulic actuator with different pumps for each actuation direction

#37
20210254642
2021-08-19

Hydraulic circuit

#38
20210246633
2021-08-12

Hydraulic circuit for construction equipment

#39
20210239136
2021-08-05

Hydraulic axis with energy storage feature

#40
20210190102
2021-06-24

Compressed-air supply system for operating a pneumatic installation, method and vehicle

#41
20210131063
2021-05-06

Load sensitive ride system for a vehicle

#42
20210123206
2021-04-29

Hydraulic system for working machine

#43
20210040962
2021-02-11

Fluid actuator

#44
20200362884
2020-11-19

Hydraulic system for working machine

#45
20200347855
2020-11-05

Pressure compensator valve

#46
20200337240
2020-10-29

Controlled float on an agricultural harvester for header leveling

#47
20200263392
2020-08-20

Vibration suppression control circuit

#48
20200262169
2020-08-20

Efficient energy-saving return cylinder of hydraulic press and working method thereof

#49
20200240231
2020-07-30

Systems and methods for actuating hydraulically-actuated devices

#50
20200221637
2020-07-16

Crop machine with an electronically controlled hydraulic cylinder flotation system

#51
20200200169
2020-06-25

Linear actuator assembly and system

#52
20200132091
2020-04-30

Servohydraulic drive

#53
20200096015
2020-03-26

Apparatus for controlling a hydraulic machine

#54
20200094800
2020-03-26

Hydraulic block for a hydraulic assembly of a slip control system of a hydraulic vehicle brake system

#55
20200088214
2020-03-19

Systems and methods for managing noise in compact high speed and high force hydraulic actuators

#56
20200049266
2020-02-13

Pilot operated blow-off valves for hydraulic actuators

#57
20200018329
2020-01-16

Apparatus for controlling a hydraulic machine

#58
20190316692
2019-10-17

Hydraulic balancing control valve and ride control system incorporating same

#59
20190305558
2019-10-03

Integrated energy conversion, transfer and storage system

#60
20190277313
2019-09-12

Valve device

#61
20190264714
2019-08-29

ELECTRO-HYDRAULIC VALVE ACTUATOR HAVING MODULAR MANIFOLD WITH CONFIGURABLE REDUNDANCY

#62
20190249390
2019-08-15

Work machine and hydraulic system for work machine

#63
20190210576
2019-07-11

Hydraulic block for a hydraulic assembly of a slip control system of a hydraulic vehicle brake system

#64
20190186106
2019-06-20

Work machine

#65
20190170163
2019-06-06

Electrohydraulic drive unit

#66
20190136877
2019-05-09

Hydraulic braking emergency utilization for steering, braking, charging accumulator(s), and/or work functions to reduce or prevent engine from overspeed, assist acceleration and/or unlimited towing

#67
20180359920
2018-12-20

Crop machine with an electronically controlled hydraulic cylinder flotation system

#68
20180354485
2018-12-13

Fluid delivery system

#69
20180340552
2018-11-29

Pneumatic unit for a hydropneumatic pressure booster

#70
20180318901
2018-11-08

Actuator device

#71
20180291797
2018-10-11

Hydraulic system for maintaining minimum low side pressure of closed circuit hydraulic system

#72
20180266448
2018-09-20

Hydraulic valve body and hydraulic valve mechanism comprising the body

#73
20180266447
2018-09-20

Pump-controlled hydraulic circuits for operating a differential hydraulic actuator

#74
20180266415
2018-09-20

Linear actuator assembly and system

#75
20180251958
2018-09-06

Hydraulic driving apparatus of work machine

#76
20180216485
2018-08-02

Steam turbine valve drive apparatus

#77
20180180068
2018-06-28

Hydraulic system for working machine

#78
20180172039
2018-06-21

Energy recovery system and method for hydraulic tool

#79
20180155044
2018-06-07

Method and apparatus for operating a power system architecture

#80
20180153102
2018-06-07

Crop machine with an electronically controlled hydraulic cylinder flotation system

#81
20180153101
2018-06-07

Crop machine with an electronically controlled hydraulic cylinder flotation system

#82
20180099711
2018-04-12

Predictively adjustable hydraulic pressure rails

#83
20180066493
2018-03-08

Systems and methods for actuating hydraulically-actuated devices

#84
20180023271
2018-01-25

Variable-speed volume-control direct-drive all-electric hydraulic excavator driving and energy recovery system

#85
20180001896
2018-01-04

System and method for performing an engine stop and start for a rolling vehicle

#86
20170350421
2017-12-07

MANIFOLD FOR A DIRECTIONAL CONTROL VALVE FOR A VALVE ACTUATOR

#87
20170284424
2017-10-05

Hydraulic control apparatus and hydraulic control method

#88
20170254308
2017-09-07

Hydrostatic drive

#89
20170234338
2017-08-17

Hydrostatic drive

#90
20170213400
2017-07-27

Pitch trim actuator servicing monitoring system and method

#91
20170211597
2017-07-27

Hydraulic system and method for controlling an implement of a working machine

#92
20170159265
2017-06-08

Work machine and hydraulic system for work machine

#93
20170130426
2017-05-11

Working machine

#94
20170120916
2017-05-04

System and method for performing an engine stop and start for a rolling vehicle

#95
20170114525
2017-04-27

Hydraulic system having automatic ride control

#96
20170037882
2017-02-09

Control system for a hydraulic work machine

#97
20170030347
2017-02-02

Dual mode fuel pump system

#98
20170002845
2017-01-05

Electro hydrostatic actuators

#99
20170002844
2017-01-05

Electro hydrostatic actuators

#100
20170002842
2017-01-05

Universal orientation electro-hydraulic actuator

#101
20160369822
2016-12-22

Liquid seal energy-accumulator and hydraulic system thereof based on liquid-collector and sandwich piston

#102
20160333903
2016-11-17

Hydraulic system having regeneration and hybrid start

#103
20160333552
2016-11-17

Closed-circuit hydraulic system for construction machine

#104
20160312806
2016-10-27

Apparatus for blocking and for adjusting a pressure

#105
20160305455
2016-10-20

Double-loop control system with single hydraulic motor

#106
20160298657
2016-10-13

System for stabilizing pressure fluctuations in a hydraulic line of a hydraulic circuit

#107
20160230780
2016-08-11

Valve device and hydraulic system

#108
20160215797
2016-07-28

Self priming hydraulic pump and circuit

#109
20160208824
2016-07-21

Hydraulic actuators

#110
20160138618
2016-05-19

Hydraulic regenerative and recovery parasitic mitigation system

#111
20160123352
2016-05-05

A METHOD AND AN ARRANGEMENT IN A FOREST WORK UNIT

#112
20160115672
2016-04-28

Power system for a working machine

#113
20160108933
2016-04-21

Method and system for storing and reusing hydraulic energy

#114
20160102686
2016-04-14

Hydraulic system for construction equipment

#115
20160090997
2016-03-31

Hydraulic system

#116
20160084279
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#117
20160084278
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#118
20160084276
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#119
20160061232
2016-03-03

Energy efficient fluid powered linear actuator with variable area

#120
20160061229
2016-03-03

Energy efficient fluid powered linear actuator with variable area and concentric chambers

#121
20160027225
2016-01-28

Pitch trim actuator servicing monitoring system

#122
20160023699
2016-01-28

Predictively adjustable hydraulic pressure rails

#123
20160010669
2016-01-14

Hydraulic device and prime mover device

#124
20150345522
2015-12-03

COMPRESSED GAS ENERGY STORAGE SYSTEM

#125
20150300384
2015-10-22

Hydraulic system having energy recovery

#126
20150275445
2015-10-01

Vehicle for line marking

#127
20150247513
2015-09-03

Machine having hydraulic start assist system

#128
20150240450
2015-08-27

Shovel

#129
20150225929
2015-08-13

Shovel

#130
20150224557
2015-08-13

Hydraulic drawing cushion of a drawing press and method of operating the hydraulic cushion

#131
20150208571
2015-07-30

Agricultural implement with electro-hydraulic cylinders

#132
20150176613
2015-06-25

Hydraulic axle

#133
20150107466
2015-04-23

Machine press

#134
20150107236
2015-04-23

Hydraulic closed circuit system

#135
20150093225
2015-04-02

Device for establishing a float condition in a hydraulically sprung loader lift cylinder arrangement after fluid supply is decoupled

#136
20150081178
2015-03-19

Lift arm suspension system for a power machine

#137
20140373519
2014-12-25

Electro-hydraulic system with float function

#138
20140345265
2014-11-27

Hydraulic drive system

#139
20140325974
2014-11-06

Hydraulic hybrid system for rotatory applications

#140
20140318115
2014-10-30

System for improving the energy efficiency in hydraulic systems, piston accumulator and pressure accumulator provided for such a system

#141
20140260222
2014-09-18

Hydraulic regeneration system and method for a material handling vehicle

#142
20140245732
2014-09-04

Proportional directional control valve, and hydraulic circuit and hydropneumatic suspension system having such a valve

#143
20140202545
2014-07-24

Hydraulic circuit

#144
20140178164
2014-06-26

Machine having hydraulically actuated implement system with combined ride control and downforce control system

#145
20140165431
2014-06-19

Hydraulic door snubber

#146
20140144130
2014-05-29

Arrangement for charging an accumulator

#147
20140123634
2014-05-08

Hydraulic system and a method for controlling a hydraulic system

#148
20140069677
2014-03-13

Air control device and air control method

#149
20140060023
2014-03-06

Hydraulic control system having swing motor energy recovery

#150
20140060022
2014-03-06

Hydraulic control system having swing motor energy recovery

#151
20140033698
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#152
20140033697
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#153
20130340418
2013-12-26

Energy Storage Cylinder and Control System for a Moving Structural Member

#154
20130333894
2013-12-19

Subsea actuation system

#155
20130299266
2013-11-14

Hydraulic Ride Control System with Manual Mode Safeguard

#156
20130291714
2013-11-07

Hydraulic system including priority based valve sequencing

#157
20130276439
2013-10-24

Hydraulic pump system and method of operation

#158
20130236272
2013-09-12

Hydraulic system and crane

#159
20130199168
2013-08-08

Apparatus and method for recuperation of hydraulic energy

#160
20130192217
2013-08-01

Hydraulic drive

#161
20130152565
2013-06-20

HYDRAULIC SYSTEM HAVING ENERGY RECOVERY

#162
20130125539
2013-05-23

Hydraulic control device for working vehicle

#163
20130098464
2013-04-25

Closed-loop hydraulic system having regeneration configuration

#164
20130081704
2013-04-04

Meterless hydraulic system having multi-actuator circuit

#165
20130081383
2013-04-04

Closed-loop hydraulic system having energy recovery

#166
20130047592
2013-02-28

Meterless hydraulic system having restricted primary makeup

#167
20130036728
2013-02-14

PUMP SUCTION CHARGING SYSTEM

#168
20130000292
2013-01-03

Electronic high hydraulic pressure cutoff to improve system efficiency

#169
20130000289
2013-01-03

Hydraulic control system having swing motor energy recovery

#170
20120317966
2012-12-20

Hydraulic arrangement

#171
20120260644
2012-10-18

Engine augmentation of hydraulic control system

#172
20120240566
2012-09-27

Hydraulic controller

#173
20120155999
2012-06-21

Travel vibration suppressing device of work vehicle

#174
20120151904
2012-06-21

Hydraulic control system having energy recovery

#175
20120134848
2012-05-31

HYDRAULIC FAN CIRCUIT HAVING ENERGY RECOVERY

#176
20120073669
2012-03-29

Compressed air supply system for a compressed air consumer circuit

#177
20120048029
2012-03-01

Hydraulic system and universal testing machine

#178
20120036844
2012-02-16

PNEUMATIC SYSTEM WITH ONE OR MORE PISTON-CYLINDER ARRANGEMENTS

#179
20110302913
2011-12-15

Hydrostatic System Having A Hydropneumatic Accumulator

#180
20110278068
2011-11-17

Regenerative drive mechanism for hydraulic feed cylinders in hydrostatic or hydraulic circuits

#181
20110197573
2011-08-18

Device for compensating for hydraulic effective pressures

#182
20110158830
2011-06-30

Negative control type hydraulic system

#183
20110146261
2011-06-23

System and method for controlling an electro-hydraulic charging system

#184
20110127115
2011-06-02

DRIVE SYSTEMS

#185
20100268410
2010-10-21

System, working machine comprising the system, and method of springing an implement of a working machine during transport

#186
20100229970
2010-09-16

Valve apparatus

#187
20100212521
2010-08-26

Drive device for a bending press

#188
20100193714
2010-08-05

HYDRAULIC ACTUATOR

#189
20100132798
2010-06-03

Control valve actuation

#190
20100129250
2010-05-27

Auxiliary energy-accumulation and flow-enhancement device for hydraulic system of concrete pump

#191
20100116929
2010-05-13

Hybrid electromechanical/hydromechanical actuator and actuation control system

#192
20100108336
2010-05-06

Ride control for motor graders

#193
20100084588
2010-04-08

Deepwater Hydraulic Control System

#194
20100071543
2010-03-25

Hydraulic apparatus

#195
20100071357
2010-03-25

Auxiliary pump system for hybrid powertrains

#196
20100043519
2010-02-25

Method and device for controlling the synchronization of cylinder/piston units and for reducing pressure peaks during forming and/or fineblanking on a fineblanking or stamping press

#197
20100024411
2010-02-04

Hydraulic system having automated ride control activation

#198
20090320460
2009-12-31

Aircraft Auxiliary Systems Pump

#199
20090260352
2009-10-22

Hydraulic system having load sensing capabilities

#200
20090257891
2009-10-15

Hydraulic system and method for controlling valve phasing

#201
20090255246
2009-10-15

Hydraulic system including open loop and closed loop valve control schemes

#202
20090255245
2009-10-15

Hydraulic system including priority based valve sequencing

#203
20090235921
2009-09-24

Hydraulic control device

#204
20090165451
2009-07-02

HYDRAULIC FLUID ACCUMULATOR WITH INTEGRATED HIGH-PRESSURE AND LOW-PRESSURE CHAMBER

#205
20090158726
2009-06-25

Machine having selective ride control

#206
20090151347
2009-06-18

Operation Control Circuit for Construction Machine

#207
20090139222
2009-06-04

System for storing, delivering and recovering energy

#208
20090120278
2009-05-14

ELECTROHYDROSTATIC ACTUATOR INCLUDING A FOUR-PORT, DUAL DISPLACEMENT HYDRAULIC PUMP

#209
20090120084
2009-05-14

Hydraulic unit

#210
20090100830
2009-04-23

Hydraulic drive system

#211
20090100829
2009-04-23

Hydraulic catapult drive

#212
20090057045
2009-03-05

HYDRAULIC SYSTEM TO DETER LIFT ARM CHATTER

#213
20090025379
2009-01-29

SYSTEM FOR RECOVERING ENERGY FROM A HYDRAULIC LIFT

#214
20090000290
2009-01-01

Energy recovery system

#215
20080223028
2008-09-18

Pump flow control of hydraulic circuit and associated method

#216
20080141668
2008-06-19

Electrohydraulic drawing press cushion drive

#217
20080112818
2008-05-15

Auxiliary Energy-Accumulation And Flow-Enhancement Device For Hydraulic System Of Concrete Pump

#218
20080110166
2008-05-15

Energy recovery and reuse techniques for a hydraulic system

#219
20080110165
2008-05-15

Energy recovery and reuse methods for a hydraulic system

#220
20070289298
2007-12-20

Suspension arrangement for a boom assembly mounted on an agricultural sprayer

#221
20070283802
2007-12-13

Pneumatic System with One or More Piston-Cylinder Arrangements

#222
20070278030
2007-12-06

Machine, in particular construction machine

#223
20070261861
2007-11-15

Downhole electrical-to-hydraulic conversion module for well completions

#224
20070227133
2007-10-04

Cylinder with internal pushrod

#225
20070199315
2007-08-30

Apparatus and methods for actuation

#226
20070186548
2007-08-16

Hydraulic regeneration system

#227
20070169618
2007-07-26

Hydraulic drive

#228
20070157612
2007-07-12

COMPACT HYDRAULIC ACTUATOR SYSTEM

#229
20070120662
2007-05-31

Digital Hydraulic system

#230
20070107421
2007-05-17

Dual pump dual pressure hydraulic circuit

#231
20070074509
2007-04-05

Hydraulic system for recovering potential energy

#232
20060237203
2006-10-26

Hydraulic lift assist for tractor towed earth moving apparatus

#233
20060108185
2006-05-25

Hydraulic system

#234
20060102241
2006-05-18

Suspension device

#235
20050279086
2005-12-22

System for storing, delivering and recovering energy

#236
20050254933
2005-11-17

Apparatus driven by a pressurized medium

#237
20050194225
2005-09-08

Air cylinder with high frequency shock absorber and accelerator

#238
20050193730
2005-09-08

Hydraulic service module

#239
20050132701
2005-06-23

Pressurized hydraulic fluid system with remote charge pump

#240
20050091971
2005-05-05

Balancing vertical load device for a motor

#241
20050072144
2005-04-07

Hydraulic arrangement and process for its use

#242
20050066655
2005-03-31

Cylinder with internal pushrod

#243
16574117
2020-08-18

Modular hydraulic valve assembly for work vehicle

#244
15465824
2019-03-05

Transmission and engine configuration

#245
13411484
2015-08-18

Compressed gas energy storage system