ClassID:

146415

F15B2211/6316 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor; Electronic controllers using input signals representing a pressure the pressure being a pilot pressure

Recent Application in this class:
#1
20250198122
2025-06-19

Wheeled Construction Machine

#2
20250137475
2025-05-01

Calibration System in Hydraulic System

#3
20250137468
2025-05-01

FLUID CIRCUIT

#4
20250012051
2025-01-09

WORK MACHINE

#5
20240117826
2024-04-11

Pilot proportional control valve apparatus, automatic calibration method and medium

#6
20230193931
2023-06-22

Hydraulic machine

#7
20220267997
2022-08-25

Hydraulic system of construction machine

#8
20220228608
2022-07-21

Fluid pressure control device

#9
20220154741
2022-05-19

Work machine

#10
20220120295
2022-04-21

Drive device for hydraulic cylinder in work machine

#11
20210207622
2021-07-08

Flow control valve and hydraulic machine including the same

#12
20210189693
2021-06-24

Hydraulic system

#13
20210129677
2021-05-06

Electropneumatically regulated control of a current collector

#14
20210047928
2021-02-18

Variable displacement hydraulic unit and method for operating the hydraulic unit

#15
20210041038
2021-02-11

Arrangement with on/off valve, pneumatic actuator, magnetic valve and function monitoring device

#16
20210032851
2021-02-04

Electrohydraulic control device for construction machine and method thereof

#17
20210002867
2021-01-07

Hydraulic drive system of construction machine

#18
20200291971
2020-09-17

Hydraulic system

#19
20200232188
2020-07-23

Work machine

#20
20200217046
2020-07-09

Hydraulic drive system of construction machine

#21
20200190773
2020-06-18

Hydraulic work machine

#22
20200173145
2020-06-04

Work machine hydraulic control system

#23
20200141089
2020-05-07

Hydraulic driving system

#24
20190309771
2019-10-10

Hydraulic fluid circuit with fixed minimum back pressure

#25
20190257328
2019-08-22

Electro-hydraulic control system with fail-safe pilot valves

#26
20190186106
2019-06-20

Work machine

#27
20190186105
2019-06-20

Work machine

#28
20190112789
2019-04-18

Hydraulic system for working machine

#29
20190112786
2019-04-18

Pump control system of work machine

#30
20190032306
2019-01-31

Control system, work machine, and control method

#31
20180347598
2018-12-06

Hydraulic drive system of construction machine

#32
20180251959
2018-09-06

Work vehicle and data calibration method

#33
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#34
20180142709
2018-05-24

Operation device and hydraulic system

#35
20180119391
2018-05-03

Hydraulic drive system of construction machine

#36
20180073524
2018-03-15

HYDRAULIC ACTUATOR CONTROL SYSTEM

#37
20180073217
2018-03-15

Flow rate control apparatus of construction equipment and control method therefor

#38
20180051720
2018-02-22

Hydraulic fluid energy regeneration apparatus of work machine

#39
20180051444
2018-02-22

Hydraulic control system of construction machine

#40
20180044890
2018-02-15

Hydraulic energy regeneration system for work machine

#41
20180038079
2018-02-08

Hydraulic drive system of work machine

#42
20180002898
2018-01-04

Hydraulic control system

#43
20170364097
2017-12-21

Fluid metering valve

#44
20170350096
2017-12-07

HYDRAULIC PUMP CONTROL APPARATUS FOR CONSTRUCTION EQUIPMENT AND CONTROL METHOD THEREOF

#45
20170306590
2017-10-26

Hydraulic drive system of construction machine

#46
20170284064
2017-10-05

Construction machine

#47
20170276155
2017-09-28

Hydraulic drive system for work machine

#48
20170241448
2017-08-24

Control device for hydraulic traveling device

#49
20170107695
2017-04-20

Hydraulic system for work machine, and work machine

#50
20170107691
2017-04-20

Method for controlling swing motor in hydraulic system and hydraulic system

#51
20170073932
2017-03-16

Hydraulic fluid energy recovery system for work

#52
20170073924
2017-03-16

Working machine having a hydraulically operated implement

#53
20170009428
2017-01-12

Hydraulic fluid energy regeneration device for work machine

#54
20160348335
2016-12-01

Liquid-pressure driving system

#55
20160333899
2016-11-17

Fluid pressure system

#56
20160333551
2016-11-17

Hydraulic circuit for construction machinery having floating function and method for controlling floating function

#57
20160312807
2016-10-27

Hydraulic system including independent metering valve with flowsharing

#58
20160312442
2016-10-27

Control system of hybrid construction machine

#59
20160252107
2016-09-01

Hydraulic excavator drive system

#60
20160222990
2016-08-04

Hydraulic drive system

#61
20160160883
2016-06-09

Hydraulic circuit for construction machine

#62
20160069282
2016-03-10

Engine speed controller of work machine

#63
20160032949
2016-02-04

Slewing drive apparatus for construction machine

#64
20150368878
2015-12-24

Construction equipment

#65
20150345112
2015-12-03

Work vehicle and work vehicle control method

#66
20150275939
2015-10-01

Hydraulic circuit for construction machine

#67
20150252554
2015-09-10

Hydraulic drive system for construction machine

#68
20150240446
2015-08-27

Hydraulic excavator

#69
20150218780
2015-08-06

Construction machine

#70
20150211501
2015-07-30

Tilting angle control device

#71
20150152890
2015-06-04

Construction machine and controller

#72
20150107234
2015-04-23

Boom driving apparatus for construction machine

#73
20150066313
2015-03-05

Control device and construction machine provided therewith

#74
20150059329
2015-03-05

Hydraulic system for construction equipment

#75
20150044007
2015-02-12

Hydraulic control device and construction machine provided with same

#76
20150040553
2015-02-12

Hybrid working machine

#77
20140331664
2014-11-13

Slewing type working machine

#78
20140283509
2014-09-25

Power regeneration device for working machine and working machine

#79
20140190159
2014-07-10

Slewing type construction machine

#80
20140060026
2014-03-06

Work vehicle and work vehicle control method

#81
20140044514
2014-02-13

Slewing type working machine

#82
20140034135
2014-02-06

Hydraulic system with a dynamic seal

#83
20140034133
2014-02-06

Dynamic seal wear mitigation system

#84
20140033695
2014-02-06

Hydraulic system for hydraulic working machine

#85
20140020375
2014-01-23

Hydraulic working machine

#86
20140013753
2014-01-16

Slewing type working machine

#87
20130073111
2013-03-21

Control device for an electric actuator

#88
20130008155
2013-01-10

Swing brake control apparatus for construction machinery

#89
20120216877
2012-08-30

Electro-hydraulic sensor fail safe

#90
20120198831
2012-08-09

Hydraulic system for working machine

#91
20120134849
2012-05-31

Character parameters obtaining method for displacement control mechanism of hydraulic pump and detecting device for carrying out the method

#92
20120131913
2012-05-31

Hydraulic swing-controlling apparatus of work machine

#93
20120036845
2012-02-16

Hydraulic control apparatus for work machine

#94
20110268588
2011-11-03

CONTROLLER OF HYBRID CONSTRUCTION MACHINE

#95
20110020146
2011-01-27

Swing drive controlling system for construction machine

#96
20110010047
2011-01-13

Controller of hybrid construction machine

#97
20100293936
2010-11-25

Hydraulic system with improved complex operation

#98
20100264106
2010-10-21

Slewing stop control apparatus and method for slewing type working machine

#99
20100263364
2010-10-21

Braking control apparatus for slewing type working machine

#100
20100258192
2010-10-14

Method for actuating a hydraulic servo system

#101
20100242464
2010-09-30

Load sensing system, working machine comprising the system, and method for controlling a hydraulic function

#102
20100100274
2010-04-22

Safety device for hydraulic working machine

#103
20100089045
2010-04-15

Hydraulic control circuit for construction machine

#104
20100011757
2010-01-21

Safety device for hydraulic working machine

#105
20090293470
2009-12-03

Over-loading prevention device of construction machinery

#106
20090199552
2009-08-13

Hydraulic working machine

#107
20090151347
2009-06-18

Operation Control Circuit for Construction Machine

#108
20090056324
2009-03-05

Hydraulic control device of construction machinery

#109
20080155977
2008-07-03

Apparatus for easing impact on boom of excavator and method of controlling the same

#110
20070205026
2007-09-06

Traveling system for heavy construction equipment

#111
20070119163
2007-05-31

Travel control device for hydraulically driven vehicle and hydraulically driven vehicle

#112
20070062185
2007-03-22

Hydraulic controller for working machine

#113
20060162543
2006-07-27

Hydraulic working machine

#114
20060117942
2006-06-08

Hydraulic control circuit and method thereof

#115
20060054443
2006-03-16

Hydraulic system, in particular for motor vehicles

#116
20050204735
2005-09-22

Hydraulic control system for working machine

#117
20050160726
2005-07-28

Hydraulic system for a vehicle, a vehicle including such a hydraulic system and a suplementary unit for such a vehicle

#118
20050138924
2005-06-30

Hydraulic drive apparatus

#119
15339340
2018-05-08

Transmission actuator for an outboard motor having a planetary transmission