ClassID:

146240

F15B2211/265 - CPC Classification

Classification description:

Circuits for servomotor systems; Fluid pressure source, e.g. accumulator or variable axial piston pump Control of multiple pressure sources

Sub-classes:
Recent Application in this class:
#1
20260049622
2026-02-19

OPEN AND CLOSED CIRCUIT PARALLEL DRIVE SYSTEM AND CONTROL METHOD BASED ON A FOUR-CHAMBER HYDRAULIC CYLINDER

#2
20250257551
2025-08-14

Hydraulic Control System in Working Machine

#3
20230139226
2023-05-04

Controller and method for hydraulic apparatus

#4
20220042279
2022-02-10

Construction machine

#5
20210339811
2021-11-04

Predictively Adjustable Hydraulic Pressure Rails

#6
20190211849
2019-07-11

Fluid power distribution and control system

#7
20190063468
2019-02-28

Hydraulic pressure variation in a legged robot

#8
20190040878
2019-02-07

FOUR-WAY CONTROL VALVE FOR PNEUMATIC CHARGING AND DISCHARGING OF WORKING VESSEL

#9
20180299019
2018-10-18

Contamination resistant poppet valve

#10
20180099711
2018-04-12

Predictively adjustable hydraulic pressure rails

#11
20180058041
2018-03-01

Control system, work machine, and control method

#12
20180051689
2018-02-22

Modular multi-pump system with pressure control

#13
20170370384
2017-12-28

Hydraulic Devices and Methods of Actuating Same

#14
20170218981
2017-08-03

Hydraulic pressure variation in a legged robot

#15
20170204885
2017-07-20

Pneumatic volume booster

#16
20170057619
2017-03-02

Dynamic activation of pumps of a fluid power system

#17
20170009424
2017-01-12

Hydraulic control system for work machine

#18
20160312442
2016-10-27

Control system of hybrid construction machine

#19
20160305455
2016-10-20

Double-loop control system with single hydraulic motor

#20
20160186785
2016-06-30

Hydraulic energy recovery system

#21
20160115672
2016-04-28

Power system for a working machine

#22
20160090997
2016-03-31

Hydraulic system

#23
20160023699
2016-01-28

Predictively adjustable hydraulic pressure rails

#24
20150376871
2015-12-31

Apparatus and method for controlling oil hydraulic pump for excavator

#25
20150330519
2015-11-19

Line pressure valve to selectively control distribution of pressurized fluid

#26
20150330416
2015-11-19

Fluid pressure control device for power shovel

#27
20150240450
2015-08-27

Shovel

#28
20150107236
2015-04-23

Hydraulic closed circuit system

#29
20150096435
2015-04-09

Hydraulic devices and methods of actuating same

#30
20150033725
2015-02-05

HYDRAULIC HYBRID SAFETY SYSTEM

#31
20130199168
2013-08-08

Apparatus and method for recuperation of hydraulic energy

#32
20130115035
2013-05-09

Construction machine with hydraulic circuit

#33
20130098016
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#34
20130098014
2013-04-25

Closed-loop hydraulic system having force modulation

#35
20130098013
2013-04-25

CLOSED-LOOP SYSTEM HAVING MULTI-CIRCUIT FLOW SHARING

#36
20120304630
2012-12-06

Control system for construction machine

#37
20120233995
2012-09-20

Hybrid operating machine

#38
20120227391
2012-09-13

Device and method for controlling hydraulic pump of construction machinery

#39
20110308242
2011-12-22

Command based method for allocating fluid flow from a plurality of pumps to multiple hydraulic functions

#40
20110270498
2011-11-03

Control device for hybrid construction machine

#41
20110268588
2011-11-03

CONTROLLER OF HYBRID CONSTRUCTION MACHINE

#42
20110265467
2011-11-03

Control device for hybrid construction machine

#43
20110060491
2011-03-10

Device for controlling hybrid construction machine

#44
20110056194
2011-03-10

HYDRAULIC SYSTEM FOR HEAVY EQUIPMENT

#45
20110035102
2011-02-10

Control device for hybrid construction machine

#46
20110011076
2011-01-20

Operating oil supplying device and construction machine

#47
20100218493
2010-09-02

Torque control apparatus for construction machine three-pump system

#48
20100037604
2010-02-18

Fluid power distribution and control system

#49
20100037603
2010-02-18

Hydralic two-circuit system and interconnecting valve system

#50
20090288408
2009-11-26

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

#51
20090163318
2009-06-25

Engine-load control device for working vehicle

#52
20090126361
2009-05-21

Pump torque controller of hydraulic working machine

#53
20090107133
2009-04-30

Procedure to align working equipment mounted to a liftable and lowerable hoisting frame of a working machine

#54
20090056325
2009-03-05

Hydraulic flow control system

#55
20090056324
2009-03-05

Hydraulic control device of construction machinery

#56
20080303336
2008-12-11

Dump truck

#57
20080250783
2008-10-16

Flow continuity for multiple hydraulic circuits and associated method

#58
20080236932
2008-10-02

Actuator control system

#59
20080236154
2008-10-02

Hydraulic circuit for construction equipment

#60
20080164115
2008-07-10

Hydraulic circuit for controlling a hybrid clutch and an automatic transmission of a motor vehicle

#61
20080155975
2008-07-03

Hydraulic system with energy recovery

#62
20070220880
2007-09-27

Hydraulic vehicle stabilizer system with two-stage bi-rotational hydraulic pump system

#63
20060233633
2006-10-19

Hydraulic system for an industrial vehicle

#64
20060201559
2006-09-14

Valve arrangement for a hydraulic or pneumatic control device

#65
20060080955
2006-04-20

Hydraulic circuit device of hydraulic working machine

#66
20050042121
2005-02-24

Hydraulic equipment