ClassID:

145997

F15B13/0405 - 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; Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves

Recent Application in this class:
#1
20260029001
2026-01-29

Valve Assembly for Double-Acting Hoisting Mechanism

#2
20260002552
2026-01-01

CYLINDER WITH AUTOMATIC HYDRAULIC FLUID CIRCULATION

#3
20240401615
2024-12-05

Safety Valve

#4
20240357960
2024-10-31

SUSPENSION COMPLIANCE TO REDUCE FRAME LOADING

#5
20240353021
2024-10-24

SINGLE STAGE SERVO VALVE ASSEMBLY

#6
20240263650
2024-08-08

Pressure compensation valve

#7
20240159254
2024-05-16

Systems and Methods for Pressure Control

#8
20240035586
2024-02-01

Pilot-operated valve with a position indicator

#9
20240011511
2024-01-11

Valve

#10
20230182706
2023-06-15

SYSTEM FOR BRAKING A DISPLACEMENT-CONTROLLED DRIVE SYSTEM

#11
20230167834
2023-06-01

Eliminating bleed on flow controls

#12
20220259829
2022-08-18

HYDRAULIC SYSTEM ARCHITECTURES AND BIDIRECTIONAL PROPORTIONAL VALVES USABLE IN THE SYSTEM ARCHITECTURES

#13
20220192089
2022-06-23

Suspension compliance to reduce frame loading

#14
20220170241
2022-06-02

Flow control valve

#15
20220025912
2022-01-27

Lift arm lifting and lowering mechanism

#16
20210317851
2021-10-14

Electrohydraulic poppet valve device control that maintains the last commanded position of a device upon power interruption and provides back-up position control

#17
20210239140
2021-08-05

Control Valve Compensation System

#18
20210231135
2021-07-29

Electronically adjustable pressure compensated flow control with pressure limiting relief valve

#19
20210123459
2021-04-29

On/Off Hydraulic Valve

#20
20200408227
2020-12-31

Hydromechanical linear converter

#21
20200386336
2020-12-10

Flow maximizer

#22
20200248723
2020-08-06

Hydraulic boost valve

#23
20200224681
2020-07-16

Systems and methods for selective enablement of hydraulic operation

#24
20200141428
2020-05-07

Actuator, valve device, and fluid supply system

#25
20200041013
2020-02-06

Three-way hydraulic valve with a floating bushing

#26
20200025218
2020-01-23

Proportional valve with an unseater spring

#27
20200003326
2020-01-02

Valve, aircraft, launch vehicle, and vehicle including the same

#28
20200000027
2020-01-02

Suspension compliance to reduce frame loading

#29
20190376531
2019-12-12

Dual valve fluid actuator assembly

#30
20190368518
2019-12-05

Control valve compensation system

#31
20190309837
2019-10-10

Valve with a locked set screw that is covered with a cap having a rotation space fitting freely over a nut and a female threaded portion screwed onto the set screw

#32
20190309772
2019-10-10

Automatically actuated shunt valve system

#33
20190277313
2019-09-12

Valve device

#34
20190264823
2019-08-29

Poppet switch valve device and method for manufacturing poppet switch valve device

#35
20190249693
2019-08-15

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

#36
20190161328
2019-05-30

Hydraulic system with load sense and methods thereof

#37
20190101943
2019-04-04

Relay valve and force balancing method

#38
20190040882
2019-02-07

Electropneumatic valve assembly

#39
20190017521
2019-01-17

Two-stage valve arrangement for hydraulic control of a piston- cylinder arrangement of a high- or medium-voltage power switch

#40
20180355994
2018-12-13

Solenoid valve with an integrated check valve functionality for an air braking system of a heavy vehicle

#41
20180348801
2018-12-06

Proportional valve

#42
20180347599
2018-12-06

VALVE DEVICE

#43
20180045227
2018-02-15

Fluid valve assembly and a process valve positioner

#44
20180039291
2018-02-08

Pressure-regulating valve

#45
20180031008
2018-02-01

Bleed valve arrangements; and methods

#46
20180024577
2018-01-25

Pressure-limiting valve

#47
20170350524
2017-12-07

Control valve device

#48
20170342686
2017-11-30

Control valve for construction equipment

#49
20170328383
2017-11-16

Valve arrangement

#50
20170314580
2017-11-02

INTERFACE RESISTANTVALVE ASSEMBLIES AND METHODS FOR SAME

#51
20170292627
2017-10-12

Electropneumatic magnet valve, flapper valve member for an electropneumatic magnet valve

#52
20170254424
2017-09-07

Three-position booster valve mechanism having a piston-cylinder control system which connects centrally in between supply and exhaust valves to an operating member

#53
20170241450
2017-08-24

Proportional pressure controller with isolation valve assembly

#54
20170204885
2017-07-20

Pneumatic volume booster

#55
20170175917
2017-06-22

Valve

#56
20170130746
2017-05-11

Device for controlling the flow of a fluid with in-built pressure threshold detection

#57
20170067569
2017-03-09

Three position closed center poppet valve

#58
20160327068
2016-11-10

QUICK-ACTION BLEEDER VALVE DEVICE FOR PNEUMATIC ACTUATORS OF PNEUMATIC SYSTEMS, AND PNEUMATIC SYSTEM HAVING A QUICK-ACTION BLEEDER VALVE DEVICE OF THIS TYPE

#59
20160090716
2016-03-31

Hydraulic valve

#60
20160047192
2016-02-18

Double valve block and actuator assembly including same

#61
20160040801
2016-02-11

Pilot type solenoid valve

#62
20160033084
2016-02-04

Regulator apparatus having a charging valve assembly and a flow multiplier assembly

#63
20150354173
2015-12-10

Pressure compensation valve

#64
20150177741
2015-06-25

Fluidic actuator

#65
20150177740
2015-06-25

Controlled three-way proportional valve unit

#66
20150135699
2015-05-21

Hydraulic valve arrangement with control/regulating function

#67
20150135698
2015-05-21

Hydraulic valve arrangement with control/regulating function

#68
20150040555
2015-02-12

Hydraulic drive

#69
20150013990
2015-01-15

Double valve block and actuator assembly including same

#70
20140352826
2014-12-04

Directional poppet valve

#71
20140352790
2014-12-04

Pneumatic directional valve and method of operation

#72
20140312250
2014-10-23

Flow regulating valve subassembly

#73
20140219714
2014-08-07

Coupler

#74
20140026747
2014-01-30

Hydraulic or pneumatic drive for actuating a fitting comprising a control valve or selector valve

#75
20140026746
2014-01-30

Volume booster with stabilized trim

#76
20140014206
2014-01-16

Two-stage air control valve

#77
20130153057
2013-06-20

Compact two-way cartridge valve using combined flange-controlled plate

#78
20130146158
2013-06-13

Directional control valve device

#79
20130105714
2013-05-02

Apparatus for a pneumatic relay venting pressure dynamic feedback compensator

#80
20130056659
2013-03-07

Hydraulic control valve with two valve slides

#81
20130042935
2013-02-21

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

#82
20130014837
2013-01-17

Proportional poppet valve with integral check valves

#83
20130008715
2013-01-10

Double valve block and actuator assembly including same

#84
20120291889
2012-11-22

Oil control valve and variable valve lift system provided with the same

#85
20120280159
2012-11-08

Hydraulic Log Splitter Cylinder Control Valve

#86
20120273700
2012-11-01

Valve arrangement

#87
20120260993
2012-10-18

Poppet valve assembly for controlling a pneumatic actuator

#88
20120248363
2012-10-04

Pilot relay

#89
20120247594
2012-10-04

Pilot relay

#90
20120216895
2012-08-30

FLUID FLOW CONTROL DEVICE

#91
20120216882
2012-08-30

Pilot-operated quick exhaust valve

#92
20120199769
2012-08-09

Mesofluidic two stage digital valve

#93
20120085437
2012-04-12

Volume booster with seat load bias

#94
20120067444
2012-03-22

LEVELING VALVE

#95
20120061606
2012-03-15

Volume booster with variable asymmetry

#96
20120061594
2012-03-15

Volume booster with stabilized trim

#97
20120060952
2012-03-15

Volume booster with discrete capacity adjustment

#98
20120060682
2012-03-15

Volume booster with reduced noise trim

#99
20110271669
2011-11-10

Hybrid construction machine

#100
20110179946
2011-07-28

Proportional pressure controller

#101
20110126920
2011-06-02

Hydraulic valve device

#102
20110091267
2011-04-21

COUPLER

#103
20110030818
2011-02-10

Proportional poppet valve with integral check valve

#104
20100307599
2010-12-09

FLUID DEVICE WITH MAGNETIC LATCHING VALVES

#105
20100257853
2010-10-14

Protection valve for hydraulic drive system

#106
20100243927
2010-09-30

Valve arrangement

#107
20100155633
2010-06-24

Poppet valve operated by an electrohydraulic poppet pilot valve

#108
20100139781
2010-06-10

Apparatus to control fluid flow

#109
20100059130
2010-03-11

Directional control valve device and directional control valve device block having directional control valve devices

#110
20100043901
2010-02-25

Hydraulic apparatus having an axially actuatable bypass valve

#111
20090283160
2009-11-19

FLUID FLOW CONTROL DEVICE AND CONTROL CIRCUIT

#112
20090272442
2009-11-05

Fluid flow control device

#113
20090256094
2009-10-15

Bleed-type electromagnetic valve

#114
20090250646
2009-10-08

Fluid control valve

#115
20090212244
2009-08-27

Pilot operated valve with fast closing poppet

#116
20090140191
2009-06-04

Device for actuating a process valve for use in foodstuffs technology

#117
20090095928
2009-04-16

Solenoid valve for brake system

#118
20090090881
2009-04-09

Electromagnetic pressure valve

#119
20080295508
2008-12-04

Force feedback poppet valve having an integrated pressure compensator

#120
20080265199
2008-10-30

ZERO LEAKAGE BALANCE VALVE SYSTEM

#121
20080128036
2008-06-05

Softstart valve means

#122
20070175529
2007-08-02

Three-way, two-position in-tube solenoid gas valve assembly

#123
20070157980
2007-07-12

Pilot operated control valve having a two stage poppet

#124
20070045579
2007-03-01

Fluid operated position regulator

#125
20060219306
2006-10-05

Hydraulically switchable directional control valve

#126
20060048824
2006-03-09

Controllable solenoid valve

#127
20060021664
2006-02-02

Three-port electromagnetic valve

#128
20050184583
2005-08-25

Dampened vehicle emergency brake valve

#129
20050178449
2005-08-18

Twin manifold seat valve having solenoid actuation

#130
20050034769
2005-02-17

Vehicle actuator

#131
20050016168
2005-01-27

Hydraulic drive system and improved control valve assembly therefor