ClassID:

146365

F15B2211/5059 - CPC Classification

Classification description:

Circuits for servomotor systems; Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves using double counterbalance valves

Recent Application in this class:
#1
20220290407
2022-09-15

Hydraulic system, mining machine and method of controlling hydraulic actuator

#2
20210341001
2021-11-04

Pilot control mechanism for boom bounce reduction

#3
20210105944
2021-04-15

Draper head with securing action for a height-adjustable reel

#4
20210010490
2021-01-14

Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations

#5
20200248720
2020-08-06

Hydraulic system and method for reducing boom bounce with counter-balance protection

#6
20200124060
2020-04-23

System for damping mass-induced vibration in machines having hydraulically controlled booms or elongate members

#7
20200032820
2020-01-30

Pilot control mechanism for boom bounce reduction

#8
20200003239
2020-01-02

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

#9
20190211849
2019-07-11

Fluid power distribution and control system

#10
20190101137
2019-04-04

Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations

#11
20180266447
2018-09-20

Pump-controlled hydraulic circuits for operating a differential hydraulic actuator

#12
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#13
20180156243
2018-06-07

Hydraulic system and method for reducing boom bounce with counter-balance protection

#14
20170204886
2017-07-20

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

#15
20160298660
2016-10-13

Pilot control mechanism for boom bounce reduction

#16
20160222989
2016-08-04

Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations

#17
20160108936
2016-04-21

Hydraulic system and method for reducing boom bounce with counter-balance protection

#18
20150135699
2015-05-21

Hydraulic valve arrangement with control/regulating function

#19
20150135698
2015-05-21

Hydraulic valve arrangement with control/regulating function

#20
20150075640
2015-03-19

Pneumatic valve assembly and method

#21
20130213030
2013-08-22

Hydrostatic drive system

#22
20130001492
2013-01-03

Hydraulic circuit for counterweight attaching/detaching device

#23
20120152368
2012-06-21

Independent metering valve with flow limiter

#24
20120095596
2012-04-19

MODULAR APPARATUSES

#25
20120000192
2012-01-05

Universal control scheme for mobile hydraulic equipment and method for achieving the same

#26
20110179783
2011-07-28

Device to actively control the vibrations of an articulated arm to pump concrete

#27
20110175005
2011-07-21

Selector valve operating mechanism for working vehicle

#28
20100268410
2010-10-21

System, working machine comprising the system, and method of springing an implement of a working machine during transport

#29
20100186401
2010-07-29

Method and hydraulic control system for supplying pressure medium to at least one hydraulic consumer

#30
20100139476
2010-06-10

Valve arrangement having individual pressure scale and load-lowering valve

#31
20100037604
2010-02-18

Fluid power distribution and control system

#32
20100024412
2010-02-04

Control apparatus for working vehicle

#33
20100012200
2010-01-21

CONTROL SYSTEM FOR A HYDRAULIC ELEMENT

#34
20090158728
2009-06-25

Smart flow sharing system

#35
20090055056
2009-02-26

Swing drive system for construction machine

#36
20090050222
2009-02-26

Three-way poppet valve with intermediate pilot port

#37
20090007769
2009-01-08

Positioning control mechanism for double-acting air cylinder

#38
20080264363
2008-10-30

Electrohydraulic solar panel carrier adjusting device

#39
20080078456
2008-04-03

HYDROSTATIC VARIABLE UNIT WITH A SERVO SYSTEM AND A VALVE UNIT CONTROLLING THE SERVO SYSTEM

#40
20080072749
2008-03-27

Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve

#41
20080053538
2008-03-06

Hydraulic circuit of option device for excavator

#42
20080053082
2008-03-06

Straight traveling hydraulic circuit

#43
20070220878
2007-09-27

Universal control scheme for mobile hydraulic equipment and method for achieving the same

#44
20070130898
2007-06-14

Hydraulic system for a self-propelled harvesting machine

#45
20070102223
2007-05-10

Hydraulic power unit

#46
20060249016
2006-11-09

Hydraulic circuit and its valve gear

#47
20060243128
2006-11-02

Hydraulic system having a pressure compensator

#48
20060026955
2006-02-09

Pressure-medium-actuated actuation device, in particular for a vehicle steering apparatus

#49
20050247188
2005-11-10

Hydraulic control valve having holding valve with improved response characteristics

#50
20050126166
2005-06-16

Anti-reaction valve device, and control unit and hydraulically powered system comprising anti-reaction valve device

#51
20050109026
2005-05-26

Open hydraulic circuit including a relief valve device

#52
20050072474
2005-04-07

Valve assembly for attenuating bounce of hydraulically driven members of a machine