Patents-Review.com
ClassID:

145988 ⎘

F15B13/025 - 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 reducing valves

Recent Application in this class:
#1
20260020511
2026-01-22

HYDRAULIC CONTROL SYSTEM FOR AN AGRICULTURAL TILLAGE IMPLEMENT

 #2
20250264116
2025-08-21

Energy Recovery Charging of an Accumulator in a Low-Pressure Compensation Circuit of an Electro-Hydrostatic Actuator

 #3
20250263053
2025-08-21

HYDRAULIC SYSTEM HAVING AT LEAST TWO HYDRAULIC CIRCUITS AND TWO PRESSURE SUPPLY DEVICES

 #4
20250171002
2025-05-29

BRAKE SYSTEM WITH AT LEAST TWO HYDRAULIC CIRCUITS AND AT LEAST TWO PRESSURE SUPPLY DEVICES

 #5
20240425104
2024-12-26

SYSTEM ARCHITECTURES FOR STEERING AND WORK FUNCTIONS IN A WHEEL LOADER

 #6
20240401480
2024-12-05

DIGITAL SPEED REGULATING VALVE FOR ALIGNING HYDRAULIC SUPPORTS IN FULLY MECHANIZED MINING FACE AND CONTROL METHOD THEREOF

 #7
20240352951
2024-10-24

Hydraulic system

 #8
20240117826
2024-04-11

Pilot proportional control valve apparatus, automatic calibration method and medium

 #9
20240102494
2024-03-28

Hydraulic circuit including a hydraulically actuatable motion control valve

 #10
20240018979
2024-01-18

LOAD-CONTROLLED HYDRAULIC SUPPLY FOR AN ATTACHMENT ATTACHED TO AN AGRICULTURAL TRACTOR

 #11
20240018978
2024-01-18

Load-controlled hydraulic supply for an attachment attached to an agricultural tractor

 #12
20230220854
2023-07-13

Hydraulic control components for oil well blowout preventers

 #13
20230175531
2023-06-08

Control system for actuating lifting function

 #14
20220325498
2022-10-13

System and method of tilting a track loader bucket to achieve desired cross slope

 #15
20220299046
2022-09-22

Spool valve and hydraulic apparatus including the same

 #16
20220290406
2022-09-15

Work machine

 #17
20220289542
2022-09-15

FORK LEVELING SYSTEM AND METHOD, AND TELESCOPIC BOOM FORKLIFT

 #18
20220228608
2022-07-21

Fluid pressure control device

 #19
20220205464
2022-06-30

Hydraulic system

 #20
20220186457
2022-06-16

Quick coupler circuit of construction machine with automatic pressurization system

 #21
20220154737
2022-05-19

Method and apparatus for conversion of a pneumatic actuator to an electric power platform

 #22
20220144231
2022-05-12

Hydraulic system having at least two hydraulic circuits and two pressure supply devices

 #23
20220136531
2022-05-05

HYDRAULIC SYSTEM WITH AT LEAST ONE PRESSURE SUPPLY DEVICE AND A SAFETY GATE FOR THE CONNECTION OF THE HYDRAULIC CIRCUITS

 #24
20220126806
2022-04-28

Hydraulic system with at least two hydraulic circuits and at least two pressure supply devices

 #25
20220126802
2022-04-28

Brake system with at least two hydraulic circuits and at least two pressure supply devices

 #26
20210372439
2021-12-02

Hydraulic system having a drain bypass

 #27
20210368669
2021-12-02

Tillage implement having hydraulic down-pressure

 #28
20210332563
2021-10-28

Construction machine

 #29
20210309287
2021-10-07

SYSTEM ARCHITECTURES FOR STEERING AND WORK FUNCTIONS IN A WHEEL LOADER

 #30
20210172155
2021-06-10

Hydraulic machine

 #31
20210068330
2021-03-11

Tillage implement with gauge wheels having hydraulic down-pressure

 #32
20210054854
2021-02-25

Method and apparatus for conversion of single-acting pneumatic actuator to electric power platform

 #33
20210033067
2021-02-04

Hydraulic driving system and driving method for barring

 #34
20210032851
2021-02-04

Electrohydraulic control device for construction machine and method thereof

 #35
20200361435
2020-11-19

Hydraulic system, vehicle and composite vehicle

 #36
20200340500
2020-10-29

Hydraulic control components for oil well blowout preventers

 #37
20200292071
2020-09-17

Method for controlling a hydraulic system

 #38
20200141428
2020-05-07

Actuator, valve device, and fluid supply system

 #39
20200088216
2020-03-19

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

 #40
20200088215
2020-03-19

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

 #41
20200056633
2020-02-20

Pilot valve assembly with orientation adjustment

 #42
20190277313
2019-09-12

Valve device

 #43
20190271993
2019-09-05

Hydraulic valve with switching regeneration circuit

 #44
20190218751
2019-07-18

System for controlling construction machinery and method for controlling construction machinery

 #45
20190186509
2019-06-20

Hydraulic buffer and cylinder combined with the same

 #46
20190186101
2019-06-20

System for operating a circle drive gear of a machine

 #47
20190017618
2019-01-17

Electromechanical-linkage hydraulic control gate valve actuator

 #48
20180299025
2018-10-18

Valve, in particular a 4/2-way slide valve

 #49
20180296948
2018-10-18

OIL FILTER

 #50
20180245700
2018-08-30

Pressure reducing valve unit

 #51
20180187702
2018-07-05

Hydraulic machine unit and method for operating such a machine unit

 #52
20180161845
2018-06-14

HYDRAULIC TOOL

 #53
20180106279
2018-04-19

Waste water air stop valve

 #54
20180044891
2018-02-15

Control system for construction machinery

 #55
20180039291
2018-02-08

Pressure-regulating valve

 #56
20170325396
2017-11-16

Hydraulic system for flex wing ripper stripper

 #57
20170274930
2017-09-28

SYSTEM ARCHITECTURES FOR STEERING AND WORK FUNCTIONS IN A WHEEL

 #58
20170067569
2017-03-09

Three position closed center poppet valve

 #59
20160326722
2016-11-10

ENERGY-SAVING CONTROL SYSTEM OF EXCAVATOR

 #60
20160316611
2016-11-03

Constant pressure hydraulic circuit with relief protection independent of pressure circuit

 #61
20160258133
2016-09-08

Hydraulic drive system for construction machine

 #62
20160245311
2016-08-25

Hydraulic Pressure Circuit and Working Machine

 #63
20160061228
2016-03-03

Valve Arrangement for the Hydraulic Circuit of a Work Machine

 #64
20160010669
2016-01-14

Hydraulic device and prime mover device

 #65
20150323051
2015-11-12

Hydrostatic transmission with spool valve driven motor

 #66
20150292181
2015-10-15

Hydrostatic Drive

 #67
20150221427
2015-08-06

Latching solenoid regulator valve

 #68
20150219124
2015-08-06

HYDRAULIC CONTROL DEVICE USING HYDRAULIC ACTUATOR

 #69
20150211552
2015-07-30

Electronic controller with integral vent valve

 #70
20150204360
2015-07-23

Hydraulic control valve for construction machinery

 #71
20130327032
2013-12-12

Hydraulic system and arrangement for an access arrangement

 #72
20130306890
2013-11-21

Valve assembly, in particular for use in pneumatic networks

 #73
20130160873
2013-06-27

Pressure-regulating arrangement with a pressure-regulating valve and hydraulic circuit therefor

 #74
20120305108
2012-12-06

Pilot-operated pressure control valve

 #75
20110101772
2011-05-05

CONTROL VALVE FOR A VEHICLE BRAKE SYSTEM, AND VEHICLE BRAKE SYSEM HAVING SUCH A CONTROL VALVE

 #76
20100084589
2010-04-08

SLIDE VALVE FOR HYDRAULIC CONTROL IN A MOTOR VEHICLE AUTOMATIC TRANSMISSION

 #77
20100006160
2010-01-14

Pressure reducing apparatus

 #78
16254001
2020-09-15

Inverse proportional pressure relief valve

 #79
16253985
2020-06-16

Two-port electrohydraulic counterbalance valve

 #80
15731294
2020-02-04

Direct link circuit