Patents-Review.com
ClassID:

146330 ⎘

F15B2211/41527 - 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 directional control valve

Sub-classes:
Recent Application in this class:
#1
20250122893
2025-04-17

Two-stage speed controller

 #2
20240426386
2024-12-26

ELEVATABLE CHAMBER AND METHOD OF OPERATING THE SAME

 #3
20240026905
2024-01-25

Discretized valve state control for multi-level hydraulic systems

 #4
20230174353
2023-06-08

Lifting mechanism

 #5
20220333622
2022-10-20

Air cylinder, head cover, and rod cover

 #6
20220316501
2022-10-06

Flow rate controller and drive device equipped with same

 #7
20220056931
2022-02-24

Agricultural implements and hydraulic circuits therefor incorporating one or more priority valves

 #8
20210329843
2021-10-28

Hydraulic dampening system for a rear gate of a round baler

 #9
20210207620
2021-07-08

Valve system for pneumatic cylinders

 #10
20210180619
2021-06-17

Discretized valve state control for multi-level hydraulic systems

 #11
20200124206
2020-04-23

Locally-actuated partial stroke testing system

 #12
20200056634
2020-02-20

Valve system for pneumatic cylinders

 #13
20190309847
2019-10-10

Device for actuating a parking lock of an automatic transmission, and parking lock apparatus for such an automatic transmission

 #14
20190226503
2019-07-25

Discretized valve state control for multi-level hydraulic systems

 #15
20190194998
2019-06-27

Pneumatic control system

 #16
20190186106
2019-06-20

Work machine

 #17
20190106306
2019-04-11

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

 #18
20190024507
2019-01-24

Hydraulically operated splitting device

 #19
20180363682
2018-12-20

FLUID POWER CONTROL SYSTEM FOR MOBILE LOAD HANDLING EQUIPMENT

 #20
20180274328
2018-09-27

Hydraulic metering system for downhole hydraulic actuation

 #21
20180180189
2018-06-28

Valve system for pneumatic cylinders

 #22
20180051720
2018-02-22

Hydraulic fluid energy regeneration apparatus of work machine

 #23
20170191508
2017-07-06

Hydraulic apparatus and hydraulic appliance usable therein

 #24
20170191505
2017-07-06

Discretized valve state control for multi-level hydraulic systems

 #25
20170184136
2017-06-29

Hydraulic drive system for operation table

 #26
20170073932
2017-03-16

Hydraulic fluid energy recovery system for work

 #27
20160252106
2016-09-01

Hydraulic drive and method for discreetly changing the positional output of said drive

 #28
20150377264
2015-12-31

Hydraulic system for construction machinery

 #29
20150369262
2015-12-24

Fluid pressure control device

 #30
20150275939
2015-10-01

Hydraulic circuit for construction machine

 #31
20150275938
2015-10-01

Control system for hybrid construction machine

 #32
20150252554
2015-09-10

Hydraulic drive system for construction machine

 #33
20150152900
2015-06-04

Control system for construction machine

 #34
20150096291
2015-04-09

Fluid pressure control device

 #35
20150082784
2015-03-26

Flushing circuit for hydraulic cylinder drive circuit

 #36
20150066313
2015-03-05

Control device and construction machine provided therewith

 #37
20150033723
2015-02-05

Hydraulic system

 #38
20140130486
2014-05-15

Hydraulic drive apparatus for work machine

 #39
20130318959
2013-12-05

Hydraulic Circuits with Energy Conservation Features for Overrunning Load Conditions

 #40
20130298541
2013-11-14

Load energy assist and horsepower management system

 #41
20130283777
2013-10-31

Hydraulic control system having energy recovery

 #42
20130277584
2013-10-24

Fluid power control system for mobile load handling equipment

 #43
20120152107
2012-06-21

Flow regeneration hydraulic circuit

 #44
20120133200
2012-05-31

Brake system and method

 #45
20120085601
2012-04-12

Shut-off valve for hydraulic system

 #46
20110197576
2011-08-18

Hydraulic control system in working machine

 #47
20110185888
2011-08-04

Arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydrostatic motor

 #48
20110088798
2011-04-21

Stack valve having bucket parallel movement function

 #49
20100313555
2010-12-16

Hydraulic control circuit for overcontrol of a slewing gear drive

 #50
20100132349
2010-06-03

Hydraulic drive, in particular for machine tools, and method for controlling the hydraulic drive

 #51
20080276798
2008-11-13

Asymmetric volume booster arrangement for valve actuators

 #52
20080245064
2008-10-09

Anti-saturation valve assembly for load sensing hydraulic system

 #53
20080237514
2008-10-02

Flow Control Valve and Cylinder Apparatus Having the Same

 #54
20080155975
2008-07-03

Hydraulic system with energy recovery

 #55
20080128036
2008-06-05

Softstart valve means

 #56
20070227133
2007-10-04

Cylinder with internal pushrod

 #57
20070217898
2007-09-20

Access method and apparatus that limit motion according to load and position

 #58
20070006580
2007-01-11

Control system and method for supplying pressure means to at least two hydraulic consumers

 #59
20060130477
2006-06-22

High pressure device and method for clean room applications

 #60
20060090459
2006-05-04

Hydraulic system having priority based flow control

 #61
20050247188
2005-11-10

Hydraulic control valve having holding valve with improved response characteristics

 #62
20050229775
2005-10-20

Asymmetric volume booster arrangement for valve actuator

 #63
20050194225
2005-09-08

Air cylinder with high frequency shock absorber and accelerator

 #64
20050183571
2005-08-25

Flow control apparatus for construction heavy equipment

 #65
20050146252
2005-07-07

Cylinder apparatus with a capability of detecting piston position in a cylinder

 #66
20050144939
2005-07-07

Hydraulic actuating device for a convertible top assembly of a vehicle

 #67
20050066655
2005-03-31

Cylinder with internal pushrod

 #68
17589947
2023-06-20

Sequence valve with a reverse free flow configuration integrated therewith