ClassID:

146422

F15B2211/634 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor; Electronic controllers using input signals representing a state of a valve

Recent Application in this class:
#1
20260009408
2026-01-08

HYDRAULIC FORCE FIGHT MITIGATION

#2
20250361883
2025-11-27

HYDRAULIC SYSTEM

#3
20250339796
2025-11-06

OIL FILTER DEVICE

#4
20240077850
2024-03-07

Valve Degradation Detection via Stroke Time Analysis

#5
20230258205
2023-08-17

Pulse width modulated control of servo

#6
20230151829
2023-05-18

HYDRAULIC FORCE FIGHT MITIGATION

#7
20220349429
2022-11-03

Smart Valve with Integrated Electronics

#8
20220341441
2022-10-27

Safety module for a process valve and system

#9
20220333349
2022-10-20

Hydraulic unit

#10
20220252085
2022-08-11

Electro-hydraulic servo-valves and related methods

#11
20220145910
2022-05-12

Method for commissioning a pneumatic actuator device, commissioning system and control module

#12
20220026893
2022-01-27

Gas network and method for detecting leaks in a gas network under pressure or under vacuum

#13
20210285468
2021-09-16

Distance based actuator velocity calibration system

#14
20210246915
2021-08-12

Electro-hydraulic servovalve control with input

#15
20210131459
2021-05-06

Valve device and method for anticipating failure in a solenoid valve assembly in a manifold assembly

#16
20210034082
2021-02-04

Pressure regulator

#17
20200400165
2020-12-24

Method of operating a fluid system, fluid system and computer program product

#18
20200309161
2020-10-01

System and method including a fluidic actuator and a pressurized fluid provision device

#19
20200292100
2020-09-17

Spool valve device and spool valve

#20
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

#21
20200271136
2020-08-27

Flow control for an actuator

#22
20200140063
2020-05-07

Horizontal stabilizer trim actuator systems and methods

#23
20200124060
2020-04-23

System for damping mass-induced vibration in machines having hydraulically controlled booms or elongate members

#24
20200116170
2020-04-16

Smart valve with integrated electronics

#25
20200003239
2020-01-02

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

#26
20190388812
2019-12-26

Fluid synthesis monitoring system

#27
20190345692
2019-11-14

Construction machine

#28
20190257328
2019-08-22

Electro-hydraulic control system with fail-safe pilot valves

#29
20190211851
2019-07-11

Method and system for monitoring health of a hydraulic fluid subsystem

#30
20190128437
2019-05-02

Pressure-limiting unit for a pressure booster as well as a pressure booster for driving hydraulic tools

#31
20190033162
2019-01-31

Simple leakage detection in a hydraulic cylinder unit

#32
20190003497
2019-01-03

Hydraulic cylinder spool valve device

#33
20180361283
2018-12-20

Filter state estimation system and filter state estimation method

#34
20180298923
2018-10-18

Fluid control device and method for operating a fluid control device

#35
20180245312
2018-08-30

Work machine hydraulic drive device

#36
20180128607
2018-05-10

Method to automatically detect the area ratio of an actuator

#37
20180128292
2018-05-10

Control strategy for hydraulic actuator with a pair of independent metering valves

#38
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

#39
20180045227
2018-02-15

Fluid valve assembly and a process valve positioner

#40
20180022440
2018-01-25

Horizontal stabilizer trim actuator systems and methods

#41
20170364097
2017-12-21

Fluid metering valve

#42
20170313406
2017-11-02

Hydraulic actuation systems

#43
20170204886
2017-07-20

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

#44
20170204885
2017-07-20

Pneumatic volume booster

#45
20170184139
2017-06-29

Method of controlling velocity of a hydraulic actuator in over-center linkage systems

#46
20170058921
2017-03-02

Automatic oil spill detection system

#47
20170051768
2017-02-23

Compressed-air system having a safety function and method for operating such a compressed-air system

#48
20170023349
2017-01-26

Online sensor calibration for electrohydraulic valves

#49
20150267719
2015-09-24

System and method for managing machine power system

#50
20150007557
2015-01-08

Boom driving device

#51
20140174543
2014-06-26

Fail operational modes for an electro-hydraulic system

#52
20140165692
2014-06-19

Online sensor calibration for electrohydraulic valves

#53
20140099212
2014-04-10

Automatic oil spill detection system

#54
20140033876
2014-02-06

Auto cycle pump and method of operation

#55
20130312858
2013-11-28

Flow control grid

#56
20130298541
2013-11-14

Load energy assist and horsepower management system

#57
20130167518
2013-07-04

Control arrangement and method for activating a plurality of hydraulic consumers

#58
20120067432
2012-03-22

Hydraulic system and a working machine comprising such a hydraulic system

#59
20120000191
2012-01-05

Hydraulic driving device for work machine

#60
20110277843
2011-11-17

Soft start device for pneumatic systems and method for the operation of a soft start device

#61
20110173963
2011-07-21

Low speed hydraulic control for fine control of hydraulic cranes

#62
20110154816
2011-06-30

Fluid bypass system

#63
20110094595
2011-04-28

Method of operating a control valve assembly for a hydraulic system

#64
20110088785
2011-04-21

SAFETY FEATURE FOR STUCK VALVE

#65
20110017310
2011-01-27

FLUID VALVE ARRANGEMENT

#66
20100095835
2010-04-22

Motion control of work vehicle

#67
20090266429
2009-10-29

Hydraulic pressure control apparatus

#68
20090007556
2009-01-08

Hydraulic control system

#69
20080202110
2008-08-28

Hydraulic control arrangement

#70
20080163750
2008-07-10

System and method for controlling actuator position

#71
20070295924
2007-12-27

Fluid controller and a method of detecting an error in a fluid controller

#72
20060288863
2006-12-28

Hydraulic circuit for working machine

#73
20060117942
2006-06-08

Hydraulic control circuit and method thereof

#74
20060070673
2006-04-06

Soft start device for compressed air systems

#75
20050051026
2005-03-10

Valve arrangement and hydraulic drive