ClassID:

145938

F15B11/0445 - CPC Classification

Classification description:

Servomotor systems without provision for follow-up action; Circuits therefor; Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking

Recent Application in this class:
#1
20240191475
2024-06-13

Hydraulic motor unit

#2
20220290407
2022-09-15

Hydraulic system, mining machine and method of controlling hydraulic actuator

#3
20210341001
2021-11-04

Pilot control mechanism for boom bounce reduction

#4
20210332899
2021-10-28

Vented counterbalance valve with two setting springs in parallel

#5
20210107439
2021-04-15

Hydraulic control system

#6
20210010490
2021-01-14

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

#7
20200248720
2020-08-06

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

#8
20200071911
2020-03-05

Traveling control mechanism and traveling control method of hydraulic driving type construction machine

#9
20200032820
2020-01-30

Pilot control mechanism for boom bounce reduction

#10
20200003239
2020-01-02

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

#11
20190368516
2019-12-05

Hydraulic system with a counterbalance valve configured as a meter-out valve and controlled by an independent pilot signal

#12
20190301495
2019-10-03

Hydraulic system with a counterbalance valve configured as a meter-out valve and controlled by an independent pilot signal

#13
20190211849
2019-07-11

Fluid power distribution and control system

#14
20190106306
2019-04-11

Brake device for braking a hydraulic motor of a turning body in a working machine

#15
20190101137
2019-04-04

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

#16
20180371852
2018-12-27

Volumetric compensator for electric submersible pump

#17
20180156243
2018-06-07

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

#18
20180065834
2018-03-08

Crane

#19
20170260769
2017-09-14

Tower lifting device for rotary blasthole drill

#20
20170227025
2017-08-10

Hydraulic drive device with load-dependent pressure distributor

#21
20170204886
2017-07-20

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

#22
20160298660
2016-10-13

Pilot control mechanism for boom bounce reduction

#23
20160222989
2016-08-04

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

#24
20160186787
2016-06-30

Forestry grapple with high pressure protection system

#25
20160108936
2016-04-21

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

#26
20150184681
2015-07-02

Actuator

#27
20150176610
2015-06-25

Hydraulic drive system

#28
20150128580
2015-05-14

Hydraulic brake

#29
20140290475
2014-10-02

Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors

#30
20140216024
2014-08-07

Brake valve and hydrostatic drive system therewith

#31
20140190159
2014-07-10

Slewing type construction machine

#32
20140182696
2014-07-03

Damping valve arrangement for a semiactive vibration damper

#33
20140166387
2014-06-19

Vehicle with a hydraulic drive system

#34
20130298541
2013-11-14

Load energy assist and horsepower management system

#35
20130001492
2013-01-03

Hydraulic circuit for counterweight attaching/detaching device

#36
20120285159
2012-11-15

Hydraulic driving apparatus for working machine

#37
20120285152
2012-11-15

Hydraulic driving apparatus for working machine

#38
20120031089
2012-02-09

Axial bearing for use in a hydraulic device, a hydraulic transformer and a vehicle with a hydraulic drive system

#39
20110132472
2011-06-09

Device for controlling a pilot pressure signal

#40
20100319337
2010-12-23

HYDROSTATIC DRIVE SYSTEM

#41
20100186401
2010-07-29

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

#42
20100180761
2010-07-22

Hydraulic control system

#43
20100139476
2010-06-10

Valve arrangement having individual pressure scale and load-lowering valve

#44
20100101223
2010-04-29

Flow compensated restrictive orifice for overrunning load protection

#45
20100037604
2010-02-18

Fluid power distribution and control system

#46
20090007769
2009-01-08

Positioning control mechanism for double-acting air cylinder

#47
20080282692
2008-11-20

Hydraulic controller arrangement

#48
20080264363
2008-10-30

Electrohydraulic solar panel carrier adjusting device

#49
20080237514
2008-10-02

Flow Control Valve and Cylinder Apparatus Having the Same

#50
20080072749
2008-03-27

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

#51
20080047263
2008-02-28

Hydraulic circuit having a multifunction selector

#52
20080034957
2008-02-14

Hydraulic Actuator Control Circuit With Pressure Operated Counterbalancing Valves

#53
20070137192
2007-06-21

Circuit arrangement

#54
20070119163
2007-05-31

Travel control device for hydraulically driven vehicle and hydraulically driven vehicle

#55
20060266210
2006-11-30

Hydraulic system having a post-pressure compensator

#56
20060248883
2006-11-09

Anti jerk valve

#57
20060191405
2006-08-31

Flow control valve having pressure compensating valve

#58
20060156914
2006-07-20

Hydraulic control

#59
20060108185
2006-05-25

Hydraulic system

#60
20060037470
2006-02-23

Fluid circuit and industrial truck having a fluid circuit

#61
20060032222
2006-02-16

Forestry machine with hydraulic system and method for rotor braking

#62
20060016327
2006-01-26

Variable regeneration valve of heavy equipment

#63
20050199120
2005-09-15

Hydraulic arrangement

#64
20050126166
2005-06-16

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

#65
20050109026
2005-05-26

Open hydraulic circuit including a relief valve device

#66
20050087065
2005-04-28

Hydraulic system for a work machine

#67
20050072474
2005-04-07

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

#68
20050045028
2005-03-03

Regulated pressure supply for a variable-displacement reversible hydraulic motor

#69
20050031460
2005-02-10

Drive mechanism