ClassID:

146465

F15B2211/76 - CPC Classification

Classification description:

Circuits for servomotor systems; Output members, e.g. hydraulic motors or cylinders or control therefor Control of force or torque of the output member

Sub-classes:
Recent Application in this class:
#1
20260139694
2026-05-21

LINEAR ACTUATOR ASSEMBLY AND SYSTEM

#2
20260126062
2026-05-07

HYDRAULIC SYSTEM FOR A VEHICLE AND A COMPUTER-IMPLEMENTED METHOD

#3
20260049622
2026-02-19

OPEN AND CLOSED CIRCUIT PARALLEL DRIVE SYSTEM AND CONTROL METHOD BASED ON A FOUR-CHAMBER HYDRAULIC CYLINDER

#4
20250379538
2025-12-11

Hydraulic Load Management for Electric Motor Driven Systems

#5
20250361889
2025-11-27

ACTUATOR ASSEMBLY FOR A HEAVY CONSTRUCTION MACHINE

#6
20240337276
2024-10-10

HYDRAULIC SYSTEM FOR A VEHICLE AND A COMPUTER-IMPLEMENTED METHOD

#7
20240218887
2024-07-04

Method for hydraulically lowering tools onto a surface of an object

#8
20240026905
2024-01-25

Discretized valve state control for multi-level hydraulic systems

#9
20220298751
2022-09-22

Method of controlling a hydraulic actuator, a hydraulic actuator, a hydraulic system and a working machine

#10
20220163054
2022-05-26

Linear actuator assembly and system

#11
20220071089
2022-03-10

Controlled float on an agricultural harvester for header leveling

#12
20210395061
2021-12-23

Clamp force control system for lift truck attachment with secondary hydraulic force control circuit

#13
20210229924
2021-07-29

Hydraulic drive motor control system

#14
20210180619
2021-06-17

Discretized valve state control for multi-level hydraulic systems

#15
20200391846
2020-12-17

Spoiler droop function with mechanical feedback driving hydraulic valve

#16
20200347854
2020-11-05

Linear Actuator Assembly and System

#17
20200263708
2020-08-20

Time-based power boost control system

#18
20200224682
2020-07-16

Linear actuator assembly and system

#19
20200139525
2020-05-07

Pressing tool

#20
20190358692
2019-11-28

Double-blank detecting apparatus for press machine and die protecting apparatus for press machine

#21
20190270129
2019-09-05

Cushion pin pressure equalizing device, die cushion device with cushion pin pressure equalizing function and cushion pin pressure equalizing method

#22
20190234813
2019-08-01

Force balance sensor and method therefor

#23
20190226503
2019-07-25

Discretized valve state control for multi-level hydraulic systems

#24
20190154064
2019-05-23

Actuating Mechanism, Control Valve And Valve Control System

#25
20190143540
2019-05-16

Actuator device and control method

#26
20190113427
2019-04-18

PROPORTIONAL AIR PRESSURE CONTROL FOR A MATERIALS TESTING SYSTEM

#27
20190048864
2019-02-14

HYDRAULIC SYSTEM, SMART POWER UNIT AND OPERATION METHOD OF THE SYSTEM

#28
20180306211
2018-10-25

Hydraulic system and method for controlling a hydraulic system

#29
20180202467
2018-07-19

Hydraulic drive device and method for controlling the same

#30
20180155171
2018-06-07

Clamp force control system for lift truck attachment with secondary hydraulic force control circuit

#31
20180142710
2018-05-24

Hydraulic drive with rapid stroke and load stroke

#32
20180079634
2018-03-22

Hydraulic clamping systems having load side-shifting variably responsive to load weight

#33
20180031006
2018-02-01

Fluid pressure control device

#34
20170191505
2017-07-06

Discretized valve state control for multi-level hydraulic systems

#35
20170114807
2017-04-27

Linear actuator assembly and system

#36
20170089038
2017-03-30

Hydraulic drive system for electrically-operated hydraulic work machine

#37
20170072520
2017-03-16

SCREW SYSTEM

#38
20160348342
2016-12-01

Hydraulic system of construction machinery and method of controlling hydraulic system

#39
20160312440
2016-10-27

Construction machine

#40
20160258451
2016-09-08

Hydraulic cylinder drive system

#41
20160249530
2016-09-01

Hydraulic arrangement for a lifting unit

#42
20160138623
2016-05-19

Method for controlling a lifting jack for an aircraft engine nacelle, a jack-type lifting system implementing the method and the thus equipped nacelle

#43
20160084279
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#44
20160084277
2016-03-24

Hydraulic system for a working machine and a method for controlling a hydraulic system

#45
20150377147
2015-12-31

Actuator control device

#46
20150224557
2015-08-13

Hydraulic drawing cushion of a drawing press and method of operating the hydraulic cushion

#47
20150121860
2015-05-07

Hydraulic drive circuit

#48
20150107237
2015-04-23

Hydraulic engine including hydraulic power unit

#49
20150075157
2015-03-19

Hydropneumatic device for pressure transmission and riveting device

#50
20150040555
2015-02-12

Hydraulic drive

#51
20140352524
2014-12-04

Proportional servo hydraulic control valve

#52
20140326129
2014-11-06

Methods and apparatus for adjusting actuator output torques

#53
20140260226
2014-09-18

Servo actuator load vector generating system

#54
20140196627
2014-07-17

Railcar damping device

#55
20140165431
2014-06-19

Hydraulic door snubber

#56
20140096676
2014-04-10

Cylindrical liner for piston actuator

#57
20140033698
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#58
20140033697
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#59
20140033689
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#60
20130340418
2013-12-26

Energy Storage Cylinder and Control System for a Moving Structural Member

#61
20110265544
2011-11-03

Hydraulic cylinder for a hydraulic drawing cushion

#62
20110259187
2011-10-27

Digital hydraulic system

#63
20110192157
2011-08-11

Cylinder device

#64
20110048223
2011-03-03

Control device for a hydraulic motor

#65
20110030363
2011-02-10

Open center hydraulic system

#66
20110005221
2011-01-13

Hydraulic pressure supply unit for a power screwdriver

#67
20100213246
2010-08-26

Low impact spot welding cylinder using single or double piston

#68
20100162885
2010-07-01

System and method for enabling floating of earthmoving implements

#69
20100138051
2010-06-03

METHOD AND ARRANGEMENT FOR ACTUATION

#70
20100132908
2010-06-03

Position-controlled or pressure-controlled device for the hydraulic positioning of components

#71
20090266429
2009-10-29

Hydraulic pressure control apparatus

#72
20090199703
2009-08-13

POSITIONER FOR DOUBLE-ACTING PNEUMATIC ACTUATOR, DOUBLE-ACTING PNEUMATIC ACTUATOR AND METHOD FOR OPERATING THE DOUBLE-ACTING PNEUMATIC ACTUATOR

#73
20090139222
2009-06-04

System for storing, delivering and recovering energy

#74
20090071218
2009-03-19

Die cushion apparatus of press machine

#75
20090064673
2009-03-12

Hydraulic control device

#76
20080185051
2008-08-07

Dunnage airbag inflation circuit

#77
20080155975
2008-07-03

Hydraulic system with energy recovery

#78
20070240413
2007-10-18

Fluid circuit with multiple flows from a series valve

#79
20070239412
2007-10-11

Method and system for achieving force control in externally driven hydraulic cylinders

#80
20070199315
2007-08-30

Apparatus and methods for actuation

#81
20070120662
2007-05-31

Digital Hydraulic system

#82
20070119163
2007-05-31

Travel control device for hydraulically driven vehicle and hydraulically driven vehicle

#83
20070084357
2007-04-19

Drive mechanism

#84
20070034077
2007-02-15

Arrangement for controlling a hydraulically driven motor

#85
20060201004
2006-09-14

Device for controlling hydraulic power units

#86
20060180038
2006-08-17

Pressure device

#87
20060156914
2006-07-20

Hydraulic control

#88
20060144218
2006-07-06

Pressure control valve having intrinsic feedback system

#89
20060130477
2006-06-22

High pressure device and method for clean room applications

#90
20060124607
2006-06-15

Low impact spot welding cylinder using single piston

#91
20060124606
2006-06-15

Low impact spot welding cylinder using dual pistons

#92
20060102241
2006-05-18

Suspension device

#93
20060099081
2006-05-11

Method and apparatus for controlling hydraulic pump for working machine of working vehicle

#94
20060070378
2006-04-06

Closed-system electrohydraulic actuator

#95
20060048508
2006-03-09

Oil pressure circuit for working machines

#96
20060027092
2006-02-09

Hydraulic system with an actuator having independent meter-in meter-out control

#97
20060025269
2006-02-02

Hydraulic linear drive of a transmission actuator

#98
20050284143
2005-12-29

Fluid circuit for feeding primary and auxiliary users with preset priorities

#99
20050279086
2005-12-22

System for storing, delivering and recovering energy

#100
20050201874
2005-09-15

Innerscoping hydraulic system

#101
20050200195
2005-09-15

Hydraulic device

#102
20050132702
2005-06-23

Continuously variable torque shredder drive

#103
20050126166
2005-06-16

Anti-reaction valve device, and control unit and hydraulically powered system comprising anti-reaction valve device

#104
20050115234
2005-06-02

Electro-hydraulic actuation system

#105
20050109026
2005-05-26

Open hydraulic circuit including a relief valve device

#106
20050098755
2005-05-12

Valve arrangement for hydraulic consumer

#107
20050091971
2005-05-05

Balancing vertical load device for a motor

#108
20050051025
2005-03-10

Valve arrangement and hydraulic drive

#109
20050045028
2005-03-03

Regulated pressure supply for a variable-displacement reversible hydraulic motor

#110
20050012058
2005-01-20

Piston actuator incorporating partitioned pressure chambers