ClassID:

146267

F15B2211/30595 - CPC Classification

Classification description:

Circuits for servomotor systems; Directional control characterised by the type of valves; Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members

Recent Application in this class:
#1
20240263425
2024-08-08

A MACHINE COMPRISING A SWING-TRAVEL HYDRAULIC SYSTEM

#2
20240044344
2024-02-08

HYDRAULIC VALVE ASSEMBLY

#3
20240035491
2024-02-01

Hydraulic valve assembly

#4
20230167622
2023-06-01

Work Machine

#5
20220356679
2022-11-10

Hydraulic control device for work machine

#6
20220136532
2022-05-05

Landing gear lifting/lowering EHA system

#7
20220003250
2022-01-06

Electro-hydrostatic actuator system

#8
20210190103
2021-06-24

Hydraulic system and method for controlling a hydraulic system

#9
20210102836
2021-04-08

Equalized hydraulic clamp force control

#10
20200256037
2020-08-13

Work machine

#11
20200248435
2020-08-06

System and method for control of a work vehicle

#12
20200199849
2020-06-25

Hydraulic systems for construction machinery

#13
20200164970
2020-05-28

Hydraulic circuit for operating an aircraft landing gear

#14
20190249692
2019-08-15

Hydraulic valve assembly with forced circuit

#15
20190249390
2019-08-15

Work machine and hydraulic system for work machine

#16
20190194006
2019-06-27

Hydraulic driving system

#17
20190169819
2019-06-06

Shovel and control valve for shovel

#18
20190169009
2019-06-06

Power lift

#19
20190032306
2019-01-31

Control system, work machine, and control method

#20
20180372127
2018-12-27

Modular directional valve with two or more elements of mixed type

#21
20180305899
2018-10-25

Control system and work machine

#22
20180274209
2018-09-27

Hydraulic system for working machine

#23
20180252572
2018-09-06

Equalized hydraulic clamp force control

#24
20180251960
2018-09-06

Drive system for construction machine

#25
20180238025
2018-08-23

Work machine

#26
20180179735
2018-06-28

System and method for control of a work vehicle

#27
20180127949
2018-05-10

HYDRAULIC CIRCUIT AND WORKING MACHINE

#28
20180119390
2018-05-03

Hydraulic systems for construction machinery

#29
20180119389
2018-05-03

Hydraulic systems for construction machinery

#30
20180112684
2018-04-26

Boom control with integrated variable return metering

#31
20180073525
2018-03-15

Hydraulic control system for working machine

#32
20180044890
2018-02-15

Hydraulic energy regeneration system for work machine

#33
20180030692
2018-02-01

Control system, work machine, and control method

#34
20170276155
2017-09-28

Hydraulic drive system for work machine

#35
20170159265
2017-06-08

Work machine and hydraulic system for work machine

#36
20170121940
2017-05-04

Drive device of construction machine

#37
20170073931
2017-03-16

Work machine

#38
20170030053
2017-02-02

Control device for confluence flow rate of working device for construction machinery and control method therefor

#39
20170016208
2017-01-19

Work machine

#40
20170009430
2017-01-12

Working machine control system

#41
20170009429
2017-01-12

Working machine control system

#42
20170009424
2017-01-12

Hydraulic control system for work machine

#43
20160348335
2016-12-01

Liquid-pressure driving system

#44
20160289924
2016-10-06

Working machine

#45
20160245312
2016-08-25

Pneumatic actuation system and method

#46
20160215481
2016-07-28

Control system for hybrid construction machine

#47
20160208459
2016-07-21

Work machine driving device

#48
20160108938
2016-04-21

Hydraulic system of a vehicle

#49
20160102686
2016-04-14

Hydraulic system for construction equipment

#50
20160024749
2016-01-28

Hydraulic shovel

#51
20160010663
2016-01-14

Hydraulic hybrid swing drive system for excavators

#52
20160002889
2016-01-07

Engine-assist device and industrial machine

#53
20150377258
2015-12-31

Hydraulic drive system for construction machine

#54
20150376870
2015-12-31

Hydraulic apparatus based on confluence control mode

#55
20150368880
2015-12-24

Hydraulic construction machinery

#56
20150330519
2015-11-19

Line pressure valve to selectively control distribution of pressurized fluid

#57
20150330416
2015-11-19

Fluid pressure control device for power shovel

#58
20150330059
2015-11-19

Liquid-pressure drive system and construction machine including same

#59
20150292183
2015-10-15

Hydraulic system for work machine

#60
20150285274
2015-10-08

Fluid pressure control device for power shovel

#61
20150211211
2015-07-30

Hydraulic circuit for loader

#62
20150152890
2015-06-04

Construction machine and controller

#63
20150113970
2015-04-30

Hydraulic system for construction machinery

#64
20150107699
2015-04-23

Valve for valve assembly

#65
20150089935
2015-04-02

Control valve apparatus of power shovel

#66
20150068200
2015-03-12

Hydraulic circuit for construction machine and control device for same

#67
20150066313
2015-03-05

Control device and construction machine provided therewith

#68
20150040552
2015-02-12

Hydraulic circuit for construction machine and control device for same

#69
20140369866
2014-12-18

Hydraulic drive device for cargo handling vehicle

#70
20140322045
2014-10-30

Engine overload prevention using a speed differential operated relief valve

#71
20140260232
2014-09-18

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

#72
20140182279
2014-07-03

Shovel and method of controlling shovel

#73
20140060025
2014-03-06

Hydraulic control system having electronic flow limiting

#74
20140060020
2014-03-06

Hydraulic control system having over-pressure protection

#75
20140033689
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#76
20130098452
2013-04-25

Hydraulic distribution system employing dual pumps

#77
20130098024
2013-04-25

Hydraulic system

#78
20130098017
2013-04-25

Hydraulic system

#79
20130098016
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#80
20130098010
2013-04-25

Closed-loop hydraulic system having priority-based sharing

#81
20130081704
2013-04-04

Meterless hydraulic system having multi-actuator circuit

#82
20130000293
2013-01-03

Hydraulic systems utilizing combination open- and closed-loop pump systems

#83
20120233997
2012-09-20

Regenerative hydraulic systems and methods of use

#84
20100293936
2010-11-25

Hydraulic system with improved complex operation

#85
20100089704
2010-04-15

Equalized hydraulic clamp force control

#86
20090148310
2009-06-11

Working fluid cooling control system for construction machine

#87
20090077839
2009-03-26

Backhoe hydraulic system

#88
20080236154
2008-10-02

Hydraulic circuit for construction equipment

#89
20080223027
2008-09-18

Hydraulic circuit for construction machine

#90
20080047423
2008-02-28

Fluid system with signal-mimicking device and associated method

#91
20080034746
2008-02-14

Combiner valve control system and method

#92
20070169474
2007-07-26

Hydraulic control device for working machine

#93
20060236688
2006-10-26

Hydraulic circuit

#94
20060179691
2006-08-17

Hydraulic control device of an excavator with improved loading performance on a slope

#95
20060130473
2006-06-22

Hydraulic control device for controlling a boom-swing frame combined motion in an excavator

#96
16574117
2020-08-18

Modular hydraulic valve assembly for work vehicle