ClassID:

145989

F15B13/026 - 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 Pressure compensating valves

Recent Application in this class:
#1
20260145919
2026-05-28

PRESSURE COMPENSATION VALVE AND HYDRAULIC CONTROL SYSTEM

#2
20250340364
2025-11-06

ELECTRIC POWER TAKE-OFF PUMP CONTROL SYSTEMS

#3
20250297454
2025-09-25

DRIVE CONTROL DEVICE FOR ROTATING WORK MACHINE AND ROTATING WORK MACHINE PROVIDED WITH SAME

#4
20250188960
2025-06-12

VALVE BLOCK, AND MULTI-CONTROL VALVE DEVICE HAVING SAME

#5
20250052035
2025-02-13

Hydraulic Control System in Working Machine

#6
20240343530
2024-10-17

Control method for controlling retraction of boom, mechanical device and storage medium

#7
20240288008
2024-08-29

HYDRAULIC ASSEMBLY FOR SUPPLYING AN ATTACHMENT WITH HYDRAULIC POWER

#8
20240286831
2024-08-29

ELECTRIC POWER TAKE-OFF PUMP CONTROL SYSTEM

#9
20240263650
2024-08-08

Pressure compensation valve

#10
20240102494
2024-03-28

Hydraulic circuit including a hydraulically actuatable motion control valve

#11
20230349397
2023-11-02

HYDRAULIC SYSTEM

#12
20230323945
2023-10-12

Damping pressure supply circuit for pulley pressure control valve

#13
20230294915
2023-09-21

Electric power take-off pump control systems

#14
20230203787
2023-06-29

HYDRAULIC SYSTEM FOR WORKING MACHINE

#15
20220397439
2022-12-15

Three-port proportional flow control valve with an integrated turbine for flow rate sensing

#16
20220397211
2022-12-15

Pressure-compensated proportional flow control valve with an integrated turbine for flow rate sensing

#17
20220397089
2022-12-15

Valve with an integrated turbine for energy harvesting

#18
20220097961
2022-03-31

Electric power take-off pump control systems

#19
20210324608
2021-10-21

Control system for construction machinery

#20
20210301500
2021-09-30

Electrical control of a hydraulic system

#21
20210231135
2021-07-29

Electronically adjustable pressure compensated flow control with pressure limiting relief valve

#22
20210207622
2021-07-08

Flow control valve and hydraulic machine including the same

#23
20210114573
2021-04-22

Brake hydraulic pressure controller and motorcycle brake system

#24
20210048118
2021-02-18

Proporational flow control valve with an integrated pressure compensator and features for flow force reduction

#25
20200408227
2020-12-31

Hydromechanical linear converter

#26
20200386246
2020-12-10

Hydraulic valve with pressure limiter function

#27
20200378408
2020-12-03

Hydraulic damper with valve block

#28
20200208378
2020-07-02

Engineering machinery hydraulic system

#29
20200200194
2020-06-25

Downhole tractor comprising an improved hydraulic system

#30
20200158143
2020-05-21

Hydraulic system

#31
20200060063
2020-02-27

Hydraulic system for an agricultural implement incorporating implement-based hydraulic load sensing

#32
20200056635
2020-02-20

Hydraulic control valve

#33
20190368553
2019-12-05

Pressure control valve

#34
20190249693
2019-08-15

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

#35
20190219073
2019-07-18

Hydraulic valve with pressure limiter function

#36
20190120260
2019-04-25

Valve apparatus for influencing a flow of medium

#37
20190024677
2019-01-24

Load-dependent hydraulic fluid flow control system

#38
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#39
20180163854
2018-06-14

Hydraulic control system of automatic transmission for vehicle provided with idle stop and go system

#40
20180100521
2018-04-12

Multi-hydraulic control circuit

#41
20180087243
2018-03-29

Hydraulic driving device of work machine

#42
20180073524
2018-03-15

HYDRAULIC ACTUATOR CONTROL SYSTEM

#43
20170363114
2017-12-21

Pressure compensated load sense hydraulic system efficiency improvement system and method

#44
20170306989
2017-10-26

Directional control valve

#45
20170074293
2017-03-16

Metered fluid source connection to downstream functions in PCLS systems

#46
20170058486
2017-03-02

Hydraulic drive apparatus for construction machine

#47
20170016566
2017-01-19

Shock absorber for hydraulic system

#48
20160377098
2016-12-29

VALVE STRUCTURE

#49
20160333898
2016-11-17

Pressure-controlled 2-way flow control valve for hydraulic applications and valve assembly comprising such a 2-way flow control valve

#50
20160326721
2016-11-10

Pressure peak reduction valve for excavator and pressure peak reduction system for excavator comprising same

#51
20160265561
2016-09-15

Hydraulic drive system for construction machine

#52
20160265560
2016-09-15

Working machine control system and lower pressure selection circuit

#53
20160258450
2016-09-08

Control apparatus

#54
20160258133
2016-09-08

Hydraulic drive system for construction machine

#55
20160245149
2016-08-25

Hydraulic driven fan system

#56
20160201695
2016-07-14

Valve components

#57
20160138620
2016-05-19

Load sensing control circuit

#58
20160010664
2016-01-14

Control system for a felling saw and method of control thereof

#59
20150377260
2015-12-31

Hydraulic power system

#60
20150361995
2015-12-17

Flow control device and flow control method for construction machine

#61
20150354173
2015-12-10

Pressure compensation valve

#62
20150330415
2015-11-19

Hydraulic drive system for construction machine

#63
20150322973
2015-11-12

Air-to-hydraulic fluid pressure amplifier

#64
20150292527
2015-10-15

Pressure-balance valve for balancing fluid feed to actuator cylinders of a servo-control for controlling rotor blades of a rotorcraft

#65
20150292184
2015-10-15

LIQUID-PRESSURE CONTROL DEVICE

#66
20150260205
2015-09-17

Void protection system

#67
20150192151
2015-07-09

HYDRAULIC VALVE ARRANGEMENT

#68
20140373928
2014-12-25

Pressure Balanced Hydraulic Device And Method

#69
20140216024
2014-08-07

Brake valve and hydrostatic drive system therewith

#70
20140208734
2014-07-31

Work machine

#71
20130228245
2013-09-05

Flow control valve for construction machine

#72
20130061955
2013-03-14

Hydraulic valve with pressure limiter

#73
20100263363
2010-10-21

Hydraulic control device and pressure switch

#74
20100084589
2010-04-08

SLIDE VALVE FOR HYDRAULIC CONTROL IN A MOTOR VEHICLE AUTOMATIC TRANSMISSION

#75
17589949
2023-03-07

Pressure compensation valve with load-sense fluid signal generation and a reverse free flow configuration integrated therewith

#76
15731294
2020-02-04

Direct link circuit