ClassID:

146011

F15B13/0426 - CPC Classification

Classification description:

Details of servomotor systems ; Valves for servomotor systems; Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with fluid-operated pilot valves, i.e. multiple stage valves

Recent Application in this class:
#1
20250154966
2025-05-15

TANK SYSTEM AND VALVE ARRANGEMENT

#2
20250027516
2025-01-23

PILOT PRESSURE CONTROL DEVICE

#3
20230383770
2023-11-30

SAFETY VALVE ARRANGEMENT AND ACTUATOR SYSTEM

#4
20230192053
2023-06-22

HYDRAULIC SYSTEM FOR A BRAKE RELEASE DEVICE, BRAKE RELEASE DEVICE WITH SUCH A HYDRAULIC SYSTEM AND BRAKE SYSTEM

#5
20220341441
2022-10-27

Safety module for a process valve and system

#6
20220170241
2022-06-02

Flow control valve

#7
20210207620
2021-07-08

Valve system for pneumatic cylinders

#8
20200393856
2020-12-17

Proportional flow control and counterbalance valve having single seat configuration

#9
20200393855
2020-12-17

Proportional flow control valve with counterbalance valve integrated therewith

#10
20200386245
2020-12-10

Hydraulic control valve configured to use a pilot signal as a substitute load-sense signal

#11
20200240440
2020-07-30

Hydraulic system for work machine and work machine

#12
20200096121
2020-03-26

Control valve

#13
20200088217
2020-03-19

Electrohydraulic normally-open ventable valve configured to operate in pressure relief mode when actuated

#14
20200088216
2020-03-19

Electrohydraulic valve normally operating in fluid flow-blocking mode and configured to operate in pressure relief mode when actuated

#15
20200088215
2020-03-19

Electrohydraulic valve normally operating in pressure relief mode and configured to block fluid flow when actuated

#16
20200060066
2020-02-27

System and method for remotely controlling hydraulic components of an agricultural implement

#17
20200056634
2020-02-20

Valve system for pneumatic cylinders

#18
20190277313
2019-09-12

Valve device

#19
20190226504
2019-07-25

Electrohydraulic actuator

#20
20190203743
2019-07-04

HYDRAULIC NO-BACK DEVICE

#21
20190107217
2019-04-11

Zoned manifold assembly for solenoid valve control system

#22
20190106306
2019-04-11

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

#23
20190055963
2019-02-21

Hydraulic circuit for controlling a movable component

#24
20190040879
2019-02-07

Hydraulic driving device of industrial vehicle

#25
20180304870
2018-10-25

Hydraulic pressure control device

#26
20180266080
2018-09-20

Hydraulic system for working machine

#27
20180195533
2018-07-12

VALVE SYSTEM FOR PNEUMATIC CYLINDERS

#28
20180180189
2018-06-28

Valve system for pneumatic cylinders

#29
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#30
20180179736
2018-06-28

Hydraulic system for working machine

#31
20180087226
2018-03-29

Locking mechanism for removable base plate on vibratory compactor

#32
20180045227
2018-02-15

Fluid valve assembly and a process valve positioner

#33
20170292540
2017-10-12

Hydraulic system for work machine and work machine

#34
20170261011
2017-09-14

Valve assembly

#35
20170261010
2017-09-14

Axial valve for controlling the differential pressure between a delivery branch and a return branch of a hydraulic circuit

#36
20170260882
2017-09-14

Piston for a hydraulic valve for a cam phaser and hydraulic valve for the cam phaser

#37
20170241450
2017-08-24

Proportional pressure controller with isolation valve assembly

#38
20170107695
2017-04-20

Hydraulic system for work machine, and work machine

#39
20170097102
2017-04-06

Zoned manifold assembly for solenoid valve control system

#40
20170075365
2017-03-16

Wireless valve actuator system and method

#41
20170022688
2017-01-26

Fluid pressure control device

#42
20170009784
2017-01-12

Hydraulic control system and method

#43
20160333899
2016-11-17

Fluid pressure system

#44
20160251831
2016-09-01

Flow control valve for construction equipment, having floating function

#45
20160245311
2016-08-25

Hydraulic Pressure Circuit and Working Machine

#46
20150377259
2015-12-31

Construction equipment pressure control valve

#47
20150292184
2015-10-15

LIQUID-PRESSURE CONTROL DEVICE

#48
20150267718
2015-09-24

System preventing pressured oil leakage to cylinder line in control valve systems with flow divider

#49
20150226236
2015-08-13

Hydraulic control apparatus

#50
20150219124
2015-08-06

HYDRAULIC CONTROL DEVICE USING HYDRAULIC ACTUATOR

#51
20150204360
2015-07-23

Hydraulic control valve for construction machinery

#52
20150135699
2015-05-21

Hydraulic valve arrangement with control/regulating function

#53
20150135698
2015-05-21

Hydraulic valve arrangement with control/regulating function

#54
20150129054
2015-05-14

Hydraulic control valve assembly and control system for water supply networks

#55
20150047928
2015-02-19

Lubrication system for tool

#56
20150040555
2015-02-12

Hydraulic drive

#57
20150027547
2015-01-29

Hydraulic valve with helical actuator

#58
20140366518
2014-12-18

Hydraulic system of construction machine

#59
20140312250
2014-10-23

Flow regulating valve subassembly

#60
20140216245
2014-08-07

High gain servo valve

#61
20140174071
2014-06-26

Hydraulic control system for construction machinery

#62
20140137956
2014-05-22

HYDRAULIC CONTROL VALVE FOR CONSTRUCTION MACHINERY

#63
20140014206
2014-01-16

Two-stage air control valve

#64
20130206260
2013-08-15

Servo-valve pilot stage and a two-stage servo-valve including such a stage

#65
20130042935
2013-02-21

Hydraulic switching mechanism for mobile hydraulics, mobile hydraulic machine and valve unit

#66
20120304850
2012-12-06

DEVICE FOR LOCKING AN AXIALLY MOVABLE COMPONENT OF A HYDRAULIC SYSTEM

#67
20120260993
2012-10-18

Poppet valve assembly for controlling a pneumatic actuator

#68
20120241012
2012-09-27

Multiple-stage valve system

#69
20120223120
2012-09-06

Valve cap for pneumatic nailer

#70
20120205565
2012-08-16

Dampened hydraulic pilot control arrangement for a spool valve

#71
20120125190
2012-05-24

Arrangement for providing a variable throttle cross-section for a fluid flow

#72
20110174393
2011-07-21

Proportional valve assembly

#73
20110030818
2011-02-10

Proportional poppet valve with integral check valve

#74
20100032595
2010-02-11

Exhaust venting for a fluid control device

#75
20090282825
2009-11-19

Actuator control device

#76
20090126798
2009-05-21

Autonomous Shut-Off Valve System

#77
20080163939
2008-07-10

Valve assembly with dual actuation solenoids

#78
20080128036
2008-06-05

Softstart valve means

#79
20080078449
2008-04-03

Low Consumption Pneumatic Controller

#80
20070151237
2007-07-05

Load sensing hydraulic system

#81
20070113899
2007-05-24

Compact manifolded fail safe hydraulic control system

#82
20060163508
2006-07-27

Hydraulic circuit in work vehicle

#83
20050115232
2005-06-02

Three-way pneumatic commutator and volume booster

#84
20050016168
2005-01-27

Hydraulic drive system and improved control valve assembly therefor

#85
17000957
2021-10-12

High-low hydraulic system for balers, compactors and transfer station compactors

#86
16254001
2020-09-15

Inverse proportional pressure relief valve

#87
16253985
2020-06-16

Two-port electrohydraulic counterbalance valve

#88
16133980
2020-02-11

Electrohydraulic valve normally operating in pressure relief mode and configured to operate in ventable mode when actuated

#89
16133972
2020-01-14

Electrohydraulic normally-open ventable valve configured to operate in pressure relief mode when actuated