ClassID:

146510

F15B2211/88 - CPC Classification

Classification description:

Circuits for servomotor systems; Other types of control related to particular problems or conditions Control measures for saving energy

Recent Application in this class:
#1
20260022718
2026-01-22

HYDRAULIC DRIVE DEVICE

#2
20240401614
2024-12-05

Hydraulic Drive System Having a 2X2Q Pump Unit

#3
20240167488
2024-05-23

FLUID CIRCUIT

#4
20240026908
2024-01-25

Arrangement for operating a hydraulic consumer

#5
20230096479
2023-03-30

Construction machine

#6
20230085676
2023-03-23

Construction machine

#7
20230046319
2023-02-16

Dual power electro-hydraulic motion control system

#8
20220364327
2022-11-17

Hydraulic machine

#9
20220196039
2022-06-23

Hydraulic system and a method for controlling a hydraulic system of a working machine

#10
20220186750
2022-06-16

Hydraulic system and a method for controlling the same

#11
20220154743
2022-05-19

Hydraulic circuit with combined compensation and energy recovery function

#12
20220145578
2022-05-12

Construction machine

#13
20220136535
2022-05-05

Hydraulic circuit including hydraulic decompression energy reclamation

#14
20220097117
2022-03-31

Sheet metal working machine

#15
20220090611
2022-03-24

Hydraulic system for working machine

#16
20220060022
2022-02-24

Integrated energy conversion, transfer and storage system

#17
20220002964
2022-01-06

Regeneration system and method of energy released from working implement

#18
20210404490
2021-12-30

Compressed-air treatment system and method for operating a compressed-air treatment system

#19
20210372078
2021-12-02

Energy recuperation system and method for construction equipment

#20
20210363729
2021-11-25

Hydraulic hybrid system for a work machine and a method of controlling the hydraulic hybrid system

#21
20210270294
2021-09-02

A HYDRAULIC SYSTEM FOR A LOAD HANDLING VEHICLE

#22
20210254642
2021-08-19

Hydraulic circuit

#23
20210190095
2021-06-24

Hydraulic system with an energy recovery circuit

#24
20210189694
2021-06-24

Hydraulic system with energy recovery

#25
20210188072
2021-06-24

Hydraulic energy collection system

#26
20210123206
2021-04-29

Hydraulic system for working machine

#27
20200299932
2020-09-24

Regeneration valve for a hydraulic circuit

#28
20200277755
2020-09-03

Hydraulic drive system of construction machine

#29
20200248730
2020-08-06

RECAPTURE OF WASTED ENERGY IN SYSTEM

#30
20200191176
2020-06-18

Recapture of wasted energy in system

#31
20200149250
2020-05-14

Energy regeneration device and work machine provided with energy regeneration device

#32
20200123737
2020-04-23

Hydraulic system of construction machinery

#33
20200040547
2020-02-06

Work machine

#34
20200018328
2020-01-16

Dual power electro-hydraulic motion control system

#35
20190323527
2019-10-24

Hydraulic system

#36
20190316611
2019-10-17

Hydraulic excavator drive system

#37
20190316610
2019-10-17

Air supply unit for a pneumatic system of a commercial vehicle

#38
20190305558
2019-10-03

Integrated energy conversion, transfer and storage system

#39
20190301136
2019-10-03

Hydraulic system for working machine

#40
20190270369
2019-09-05

Series hydraulic hybrid system for a vehicle and method of operating a series hydraulic hybrid system for a vehicle

#41
20190270129
2019-09-05

Cushion pin pressure equalizing device, die cushion device with cushion pin pressure equalizing function and cushion pin pressure equalizing method

#42
20190256066
2019-08-22

BRAKE SYSTEM

#43
20190211850
2019-07-11

Digital-switching fluidic power supply and hydrostatic transmission with regenerative brake

#44
20190203746
2019-07-04

System for recovering energy from a hydraulic actuator

#45
20190203444
2019-07-04

Electro hydraulic drive and control system

#46
20190195350
2019-06-27

ELECTRO-HYDRAULIC SYSTEM FOR THE ACTUATION OF MULTIPLE CLUTCHES AND GEAR SELECTORS WITH HIGH-PRECISION CONTROL OF SEVERAL SHIFT GEARBOX UNITS SIMULTANEOUSLY

#47
20190145433
2019-05-16

Auxiliary system for vehicle implements

#48
20190063039
2019-02-28

Hydraulic energy regeneration system for work machine

#49
20190032686
2019-01-31

SYSTEM AND METHOD FOR PNEUMATICALLY CHARGING AND DISCHARGING A WORKING VESSEL USING 2-WAY VALVES AND 3-WAY VALVES

#50
20180355584
2018-12-13

Hydraulic system and hydraulic control method for construction machine

#51
20180345950
2018-12-06

Method and apparatus for storing kinetic energy within an automatic transmission accumulator

#52
20180274208
2018-09-27

Construction machine

#53
20180266447
2018-09-20

Pump-controlled hydraulic circuits for operating a differential hydraulic actuator

#54
20180238025
2018-08-23

Work machine

#55
20180216485
2018-08-02

Steam turbine valve drive apparatus

#56
20180180065
2018-06-28

Fluid circuit

#57
20180172039
2018-06-21

Energy recovery system and method for hydraulic tool

#58
20180119711
2018-05-03

SELF-CONTAINED ENERGY EFFICIENT HYDRAULIC ACTUATOR SYSTEM

#59
20180100525
2018-04-12

Load sensing hydraulic system for a working machine, and a method for controlling a load sensing hydraulic system

#60
20180087243
2018-03-29

Hydraulic driving device of work machine

#61
20180044890
2018-02-15

Hydraulic energy regeneration system for work machine

#62
20180038079
2018-02-08

Hydraulic drive system of work machine

#63
20180036783
2018-02-08

Die cushion device

#64
20170370382
2017-12-28

Hydraulic drive system

#65
20170363122
2017-12-21

Apparatus for recuperating hydraulic energy with energy-efficient replenishment of the rod sides of differential cylinders and simultaneous pressure intensification

#66
20170363112
2017-12-21

Device for recovering hydraulic energy by connecting two differential cylinders

#67
20170299084
2017-10-19

Integrated transducer

#68
20170299083
2017-10-19

Failsafe integrated transducer

#69
20170298590
2017-10-19

Hydraulic drive system for work machine

#70
20170284064
2017-10-05

Construction machine

#71
20170276155
2017-09-28

Hydraulic drive system for work machine

#72
20170261010
2017-09-14

Axial valve for controlling the differential pressure between a delivery branch and a return branch of a hydraulic circuit

#73
20170234338
2017-08-17

Hydrostatic drive

#74
20170234334
2017-08-17

Hydraulic drive system for work machine

#75
20170204887
2017-07-20

Shovel

#76
20170198731
2017-07-13

Hydraulic drive device

#77
20170198730
2017-07-13

Hydraulic apparatus

#78
20170175782
2017-06-22

Construction machinery

#79
20170159678
2017-06-08

System having combinable transmission and implement circuits

#80
20170130744
2017-05-11

System and method for hydraulic energy recovery

#81
20170073932
2017-03-16

Hydraulic fluid energy recovery system for work

#82
20170058487
2017-03-02

Construction machine

#83
20170058486
2017-03-02

Hydraulic drive apparatus for construction machine

#84
20170023025
2017-01-26

Apparatus for the energy-optimized hydraulic control of at least one double-action working cylinder

#85
20160312442
2016-10-27

Control system of hybrid construction machine

#86
20160312440
2016-10-27

Construction machine

#87
20160305455
2016-10-20

Double-loop control system with single hydraulic motor

#88
20160289923
2016-10-06

Construction machinery

#89
20160281746
2016-09-29

Pneumatic actuator system and method for controlling such as system

#90
20160281745
2016-09-29

Integration of swing energy recovery and engine anti-idling systems

#91
20160237747
2016-08-18

Hyraulic motor circuit

#92
20160215481
2016-07-28

Control system for hybrid construction machine

#93
20160186785
2016-06-30

Hydraulic energy recovery system

#94
20160153473
2016-06-02

Shovel

#95
20160123354
2016-05-05

Shovel and method of controlling shovel

#96
20160108933
2016-04-21

Method and system for storing and reusing hydraulic energy

#97
20160102686
2016-04-14

Hydraulic system for construction equipment

#98
20160102685
2016-04-14

Self-contained energy efficient hydraulic actuator system

#99
20160069447
2016-03-10

Hydraulic circuit for the transmissions of industrial and agricultural vehicles

#100
20160061236
2016-03-03

Method for controlling hydraulic system of construction machinery

#101
20160061232
2016-03-03

Energy efficient fluid powered linear actuator with variable area

#102
20160061229
2016-03-03

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

#103
20160010663
2016-01-14

Hydraulic hybrid swing drive system for excavators

#104
20150377264
2015-12-31

Hydraulic system for construction machinery

#105
20150377258
2015-12-31

Hydraulic drive system for construction machine

#106
20150361998
2015-12-17

Hydraulic system with energy recovery

#107
20150360274
2015-12-17

Die cushion device

#108
20150330413
2015-11-19

Hydraulic circuit for construction machine

#109
20150300384
2015-10-22

Hydraulic system having energy recovery

#110
20150275939
2015-10-01

Hydraulic circuit for construction machine

#111
20150267719
2015-09-24

System and method for managing machine power system

#112
20150252554
2015-09-10

Hydraulic drive system for construction machine

#113
20150247305
2015-09-03

Construction machinery

#114
20150225929
2015-08-13

Shovel

#115
20150225928
2015-08-13

Shovel

#116
20150176609
2015-06-25

Control system for hybrid construction machine

#117
20150174997
2015-06-25

Drive system, in particular for a self-propelled construction machine, in particular a soil compactor

#118
20150152888
2015-06-04

Energy harvesting passive and active suspension

#119
20150107236
2015-04-23

Hydraulic closed circuit system

#120
20150075150
2015-03-19

Closed hydraulic circuit

#121
20150066313
2015-03-05

Control device and construction machine provided therewith

#122
20150047335
2015-02-19

Mixer drum driving apparatus including a plurality of motors configured to drive an auxiliary fluid pressure pump to rotate

#123
20150033726
2015-02-05

Control system for a hybrid construction machine

#124
20150033719
2015-02-05

Reducing dig force in hydraulic implements

#125
20150030424
2015-01-29

Intelligent boom control hydraulic system

#126
20150025726
2015-01-22

Hybrid construction machine

#127
20150013324
2015-01-15

Forklift hydraulic control apparatus

#128
20150013323
2015-01-15

Circuit pressure control device, hydraulic control circuit using circuit pressure control unit, and hydraulic control circuit of construction machine

#129
20150007557
2015-01-08

Boom driving device

#130
20140369866
2014-12-18

Hydraulic drive device for cargo handling vehicle

#131
20140366951
2014-12-18

Method for controlling lowering of an implement of a working machine

#132
20140366517
2014-12-18

System for reducing fuel consumption in excavator

#133
20140331664
2014-11-13

Slewing type working machine

#134
20140325974
2014-11-06

Hydraulic hybrid system for rotatory applications

#135
20140318115
2014-10-30

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

#136
20140283509
2014-09-25

Power regeneration device for working machine and working machine

#137
20140260232
2014-09-18

Methods and systems for flow sharing in a hydraulic transformer system with multiple pumps

#138
20140245729
2014-09-04

Hydraulic control device and operating machine having the same

#139
20140212305
2014-07-31

Drive train of a vehicle

#140
20140182279
2014-07-03

Shovel and method of controlling shovel

#141
20140178167
2014-06-26

Rotation control device and construction machine including rotation control device

#142
20140166114
2014-06-19

Control system for hydraulic system and method for recovering energy and leveling hydraulic system loads

#143
20140150415
2014-06-05

Energy recovery hydraulic system

#144
20140123633
2014-05-08

Energy recovery method and system

#145
20140102289
2014-04-17

Shovel and method for controlling shovel

#146
20140060031
2014-03-06

Hydraulic control system having swing energy recovery

#147
20140060023
2014-03-06

Hydraulic control system having swing motor energy recovery

#148
20140060022
2014-03-06

Hydraulic control system having swing motor energy recovery

#149
20140060021
2014-03-06

Hydraulic control system having swing oscillation dampening

#150
20140060018
2014-03-06

HYDRAULIC CONTROL SYSTEM

#151
20140053543
2014-02-27

Hydraulic valve device

#152
20140044514
2014-02-13

Slewing type working machine

#153
20140039768
2014-02-06

Control system for construction machine

#154
20140033695
2014-02-06

Hydraulic system for hydraulic working machine

#155
20140026550
2014-01-30

Hydraulic energy recovery system

#156
20140020375
2014-01-23

Hydraulic working machine

#157
20140013753
2014-01-16

Slewing type working machine

#158
20140000250
2014-01-02

Lifting system and lifting method for jib of an operating machine, and an operating machine thereof

#159
20130340418
2013-12-26

Energy Storage Cylinder and Control System for a Moving Structural Member

#160
20130333378
2013-12-19

Hydraulic system and control logic for collection and recovery of energy in a double actuator arrangement

#161
20130318971
2013-12-05

Power source apparatus and hybrid construction machine equipped with same

#162
20130318958
2013-12-05

Control valve assembly

#163
20130318955
2013-12-05

Electro-hydraulic system for recovering and reusing potential energy

#164
20130298541
2013-11-14

Load energy assist and horsepower management system

#165
20130283776
2013-10-31

Energy-recovery generation system for handling and carrying electric vehicle

#166
20130280111
2013-10-24

Propel circuit and work circuit combinations for a work machine

#167
20130236272
2013-09-12

Hydraulic system and crane

#168
20130232963
2013-09-12

Digital hydraulic transformer and method for recovering energy and leveling hydraulic system loads

#169
20130205765
2013-08-15

Method for controlling a hydraulic system of a working machine

#170
20130199168
2013-08-08

Apparatus and method for recuperation of hydraulic energy

#171
20130195681
2013-08-01

Method for obtaining a full range of lift speeds using a single input

#172
20130180247
2013-07-18

Electro-hydraulic drive system for a work machine

#173
20130160440
2013-06-27

Hydraulic System with Pilot Circuit Power Reclamation

#174
20130152565
2013-06-20

HYDRAULIC SYSTEM HAVING ENERGY RECOVERY

#175
20130126023
2013-05-23

HYDRAULIC SYSTEM WITH ENERGY REGENERATION

#176
20130125540
2013-05-23

Apparatus, method and computer program product for moving cargo, and a kit and method for upgrading an apparatus for moving cargo

#177
20130125536
2013-05-23

System and method for energy recovery

#178
20130104534
2013-05-02

Energy harvesting passive and active suspension

#179
20130098464
2013-04-25

Closed-loop hydraulic system having regeneration configuration

#180
20130098023
2013-04-25

Energy recovery control circuit and work machine

#181
20130098012
2013-04-25

METERLESS HYDRAULIC SYSTEM HAVING MULTI-CIRCUIT RECUPERATION

#182
20130096712
2013-04-18

Method and device for operating a driven axle in a machine tool

#183
20130081704
2013-04-04

Meterless hydraulic system having multi-actuator circuit

#184
20130081386
2013-04-04

System and method for controlling charging of an accumulator in an electro-hydraulic system

#185
20130081383
2013-04-04

Closed-loop hydraulic system having energy recovery

#186
20130004280
2013-01-03

Hydraulic control system having swing motor energy recovery

#187
20130004278
2013-01-03

Hydraulic control system having swing energy recovery

#188
20130000291
2013-01-03

Hydraulic circuit having energy storage and reuse

#189
20130000290
2013-01-03

Energy recovery system having accumulator and variable relief

#190
20130000289
2013-01-03

Hydraulic control system having swing motor energy recovery

#191
20130000094
2013-01-03

Hydraulic control system having energy recovery kit

#192
20120304630
2012-12-06

Control system for construction machine

#193
20120260644
2012-10-18

Engine augmentation of hydraulic control system

#194
20120240566
2012-09-27

Hydraulic controller

#195
20120233998
2012-09-20

Control system for hybrid construction machine

#196
20120233997
2012-09-20

Regenerative hydraulic systems and methods of use

#197
20120233995
2012-09-20

Hybrid operating machine

#198
20120198827
2012-08-09

Hydraulic drive system

#199
20120192553
2012-08-02

Energy-efficient hydraulic drive for the linear movement of a mass

#200
20120186243
2012-07-26

HYDRAULIC SYSTEM HAVING AT LEAST ONE DRIVE MACHINE

#201
20120151904
2012-06-21

Hydraulic control system having energy recovery

#202
20120134848
2012-05-31

HYDRAULIC FAN CIRCUIT HAVING ENERGY RECOVERY

#203
20120067432
2012-03-22

Hydraulic system and a working machine comprising such a hydraulic system

#204
20120036845
2012-02-16

Hydraulic control apparatus for work machine

#205
20120023924
2012-02-02

VARIABLE HYDRAULIC SYSTEM

#206
20110278068
2011-11-17

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

#207
20110270498
2011-11-03

Control device for hybrid construction machine

#208
20110268588
2011-11-03

CONTROLLER OF HYBRID CONSTRUCTION MACHINE

#209
20110265467
2011-11-03

Control device for hybrid construction machine

#210
20110197576
2011-08-18

Hydraulic control system in working machine

#211
20110154816
2011-06-30

Fluid bypass system

#212
20110127115
2011-06-02

DRIVE SYSTEMS

#213
20110082610
2011-04-07

Controller of hybrid construction machine

#214
20110072810
2011-03-31

Controller of hybrid construction machine

#215
20110071738
2011-03-24

Hybrid construction machine

#216
20110061375
2011-03-17

Hydraulic drive system

#217
20110060491
2011-03-10

Device for controlling hybrid construction machine

#218
20110035102
2011-02-10

Control device for hybrid construction machine

#219
20110010047
2011-01-13

Controller of hybrid construction machine

#220
20110000202
2011-01-06

Active hydraulic regeneration for motion control

#221
20100281859
2010-11-11

Oil pressure system and valve assembly used in oil pressure system

#222
20100242719
2010-09-30

Hydraulic load control valve device

#223
20100236234
2010-09-23

Hydraulic valve device

#224
20100236232
2010-09-23

Drive for a Hydraulic Excavator

#225
20100212521
2010-08-26

Drive device for a bending press

#226
20100162706
2010-07-01

Drive for rotating structure

#227
20100154399
2010-06-24

Method for recuperating potential energy during a lowering operation of a load

#228
20100107620
2010-05-06

Rotary flow control valve with energy recovery

#229
20100089049
2010-04-15

Hydraulic drive device and working machine with the same

#230
20100089045
2010-04-15

Hydraulic control circuit for construction machine

#231
20100083651
2010-04-08

Circuit for controlling a double-action hydraulic drive cylinder

#232
20100071357
2010-03-25

Auxiliary pump system for hybrid powertrains

#233
20100031649
2010-02-11

Hydraulic drive device for hydraulic excavator

#234
20100018195
2010-01-28

Piece of working equipment

#235
20100000209
2010-01-07

Hydraulic control system in working machine ( as amended

#236
20090288408
2009-11-26

HYDRAULIC CIRCUIT, ENERGY RECOVERY DEVICE, AND HYDRAULIC CIRCUIT FOR WORK MACHINE

#237
20090287373
2009-11-19

Control system for a work machine and method for controlling a hydraulic cylinder

#238
20090277168
2009-11-12

Hybrid system for a powertrain and hydraulic system

#239
20090241534
2009-10-01

ENERGY ACCUMULATOR UNIT

#240
20090236906
2009-09-24

Hydraulic Regenerative Braking System For A Vehicle

#241
20090217653
2009-09-03

Control system for recovering swing motor kinetic energy

#242
20090210120
2009-08-20

Hydrostatic regenerative drive system

#243
20090205723
2009-08-20

Hydraulic circuit of construction machine

#244
20090202370
2009-08-13

Hydraulic system

#245
20090193801
2009-08-06

Hydraulic drive system

#246
20090178399
2009-07-16

Digital hydraulic system

#247
20090173923
2009-07-09

Lifting system

#248
20090165451
2009-07-02

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

#249
20090165450
2009-07-02

Hydraulic system

#250
20090142201
2009-06-04

Hydraulic flow control system and method

#251
20090139222
2009-06-04

System for storing, delivering and recovering energy

#252
20090120084
2009-05-14

Hydraulic unit

#253
20090100830
2009-04-23

Hydraulic drive system

#254
20090084102
2009-04-02

Hydrostatic drive

#255
20090078110
2009-03-26

Pneumatic drive system

#256
20090077837
2009-03-26

Work machine

#257
20090071426
2009-03-19

Hydraulic circuit, particularly for camshaft adjusters, and corresponding control element

#258
20090071218
2009-03-19

Die cushion apparatus of press machine

#259
20090036264
2009-02-05

Work machine

#260
20090025379
2009-01-29

SYSTEM FOR RECOVERING ENERGY FROM A HYDRAULIC LIFT

#261
20090000468
2009-01-01

Procedure for the loading of a working cylinder, control module for it, working cylinder and utilization of the same

#262
20090000290
2009-01-01

Energy recovery system

#263
20080317574
2008-12-25

Swing Drive Device and Work Machine

#264
20080314038
2008-12-25

Swing drive device and work machine

#265
20080302099
2008-12-11

Method for controlling a hydraulic cylinder and control system for a work machine

#266
20080295505
2008-12-04

Method for springing a movement of an implement of a work machine

#267
20080295504
2008-12-04

Method for controlling a hydraulic cylinder in a work machine

#268
20080294316
2008-11-27

Method for controlling a hydraulic cylinder in a work machine and control system for a work machine

#269
20080292474
2008-11-27

Method for controlling a hydraulic machine in a control system

#270
20080276606
2008-11-13

Hydraulic drive system with exiting from pumping and motoring

#271
20080250781
2008-10-16

Method of controlling a hydrostatic drive

#272
20080223205
2008-09-18

Hydraulic drive apparatus

#273
20080223028
2008-09-18

Pump flow control of hydraulic circuit and associated method

#274
20080210485
2008-09-04

Control system for frame-steering of a vehicle and method for controlling two steering cylinders in a frame-steered vehicle

#275
20080155975
2008-07-03

Hydraulic system with energy recovery

#276
20080141668
2008-06-19

Electrohydraulic drawing press cushion drive

#277
20080128214
2008-06-05

Energy recovering method and system in hydraulic lift device of battery operated industrial trucks

#278
20080110166
2008-05-15

Energy recovery and reuse techniques for a hydraulic system

#279
20080110165
2008-05-15

Energy recovery and reuse methods for a hydraulic system

#280
20080104955
2008-05-08

Bidirectional hydraulic transformer

#281
20080104952
2008-05-08

Hydraulic circuit

#282
20080072588
2008-03-27

Control system for hydraulic construction machine

#283
20070278048
2007-12-06

Energy recovering system of hydraulic lift device for battery operated industrial trucks

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2007-12-06

Machine, in particular construction machine

#285
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2007-10-18

Fluid circuit with multiple flows from a series valve

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2007-10-04

Hydraulic metering mode transitioning technique for a velocity based control system

#287
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2007-10-04

Cylinder with internal pushrod

#288
20070209503
2007-09-13

Hydraulic system with mechanism for relieving pressure trapped in an actuator

#289
20070186548
2007-08-16

Hydraulic regeneration system

#290
20070175209
2007-08-02

Hydraulic system having in-sump energy recovery device

#291
20070166168
2007-07-19

CONTROL SYSTEM FOR A WORK MACHINE AND METHOD FOR CONTROLLING A HYDRAULIC CYLINDER IN A WORK MACHINE

#292
20070079609
2007-04-12

Hybrid hydraulic system and work machine using same

#293
20070074515
2007-04-05

Waste energy recovery method and waste energy recovery system

#294
20070074509
2007-04-05

Hydraulic system for recovering potential energy

#295
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2006-12-07

Method and device for the pneumatic operation of a tool

#296
20060230752
2006-10-19

Hydraulic drive control device

#297
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2006-09-14

Hydraulic control system with cross function regeneration

#298
20060185355
2006-08-24

Hydraulic gravitational load energy recuperation

#299
20060156713
2006-07-20

Hydraulic drive system

#300
20060150808
2006-07-13

Flow rate control device for power steering