ClassID:

146336

F15B2211/41581 - CPC Classification

Classification description:

Circuits for servomotor systems; Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a return line

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

HYDRAULIC DRIVE DEVICE

#2
20240384732
2024-11-21

Actuating Device for at Least One Fluidically Drivable Consumer

#3
20230213031
2023-07-06

Hydraulic control system for linear actuation

#4
20220333622
2022-10-20

Air cylinder, head cover, and rod cover

#5
20220106766
2022-04-07

CONTROL UNIT FOR A HYDRAULIC SYSTEM

#6
20220081103
2022-03-17

Failsafe valve for geared rotary actuator

#7
20220049720
2022-02-17

Flow controller and driving apparatus including the same

#8
20200240440
2020-07-30

Hydraulic system for work machine and work machine

#9
20200063761
2020-02-27

Hydraulic drive device for cargo vehicle

#10
20190352884
2019-11-21

Construction machine

#11
20190276292
2019-09-12

HYDRAULIC DRIVE DEVICE FOR CARGO VEHICLE

#12
20190249693
2019-08-15

Discharge pressure scale and lifting-lowering device having a discharge pressure scale of this type

#13
20180328386
2018-11-15

Method and device for controlling a hydraulically actuated drive unit of a valve

#14
20180291935
2018-10-11

HYDRAULIC DRIVE SYSTEM OF CONSTRUCTION MACHINE

#15
20180215116
2018-08-02

Residual load relief system for hydraulic compactors having rotary pumps

#16
20180172177
2018-06-21

Hydraulic drive for executing a linear movement

#17
20180100522
2018-04-12

Hydraulic control valve for controlling pressure drop across motors

#18
20180051444
2018-02-22

Hydraulic control system of construction machine

#19
20170363122
2017-12-21

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

#20
20170363112
2017-12-21

Device for recovering hydraulic energy by connecting two differential cylinders

#21
20170356472
2017-12-14

Hydraulic system of a tool

#22
20170350524
2017-12-07

Control valve device

#23
20170350097
2017-12-07

Flow control valve for construction machine

#24
20170292540
2017-10-12

Hydraulic system for work machine and work machine

#25
20170276155
2017-09-28

Hydraulic drive system for work machine

#26
20170275852
2017-09-28

Hydraulic control system for construction machine

#27
20170184139
2017-06-29

Method of controlling velocity of a hydraulic actuator in over-center linkage systems

#28
20170073932
2017-03-16

Hydraulic fluid energy recovery system for work

#29
20170037877
2017-02-09

Hydraulic valve

#30
20170023028
2017-01-26

Vacuum powered lifting mechanism

#31
20160363140
2016-12-15

Control valve device

#32
20160333899
2016-11-17

Fluid pressure system

#33
20160208829
2016-07-21

Fluid flow regulator

#34
20160090997
2016-03-31

Hydraulic system

#35
20160076558
2016-03-17

Method of increasing electro-hydrostatic actuator piston velocity

#36
20160001795
2016-01-07

Actuator unit

#37
20150368878
2015-12-24

Construction equipment

#38
20150292526
2015-10-15

Hydraulic driving system

#39
20150285278
2015-10-08

Vacuum powered lifting mechanism

#40
20150275939
2015-10-01

Hydraulic circuit for construction machine

#41
20150252819
2015-09-10

Work machine

#42
20150184683
2015-07-02

Actuator

#43
20150184681
2015-07-02

Actuator

#44
20150152900
2015-06-04

Control system for construction machine

#45
20150082784
2015-03-26

Flushing circuit for hydraulic cylinder drive circuit

#46
20150081178
2015-03-19

Lift arm suspension system for a power machine

#47
20150066313
2015-03-05

Control device and construction machine provided therewith

#48
20150047335
2015-02-19

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

#49
20150040548
2015-02-12

Hydraulic system having low speed operation

#50
20150033719
2015-02-05

Reducing dig force in hydraulic implements

#51
20150013323
2015-01-15

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

#52
20140331662
2014-11-13

Hydraulic control device for forklift

#53
20140260222
2014-09-18

Hydraulic regeneration system and method for a material handling vehicle

#54
20140010688
2014-01-09

Hydraulic circuit for controlling booms of construction equipment

#55
20130340418
2013-12-26

Energy Storage Cylinder and Control System for a Moving Structural Member

#56
20130327032
2013-12-12

Hydraulic system and arrangement for an access arrangement

#57
20130160879
2013-06-27

Hydraulic system for controlling a work implement

#58
20120205563
2012-08-16

VALVE ARRANGEMENT FOR ACTUATING A LOAD

#59
20110132012
2011-06-09

FLOW CONTROL

#60
20110082610
2011-04-07

Controller of hybrid construction machine

#61
20110072810
2011-03-31

Controller of hybrid construction machine

#62
20100176324
2010-07-15

Load sensing directional control valve with an element having priority under saturation conditions

#63
20090113887
2009-05-07

Hydraulic Drive Device

#64
20090078110
2009-03-26

Pneumatic drive system

#65
20070074509
2007-04-05

Hydraulic system for recovering potential energy

#66
20070016349
2007-01-18

Hydraulic control apparatus for hydraulic excavator

#67
20060266210
2006-11-30

Hydraulic system having a post-pressure compensator

#68
20060230752
2006-10-19

Hydraulic drive control device

#69
20060102241
2006-05-18

Suspension device

#70
20050242310
2005-11-03

Control valve apparatus and pressure circuit

#71
20050132876
2005-06-23

Position control device for a hydraulic actuator and interface plate for a servovalve implementing such a device

#72
20050011190
2005-01-20

Hydraulic active boom suspension for a telehandler