ClassID:

146440

F15B2211/6656 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor; Methods of control using electronic components Closed loop control, i.e. control using feedback

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

LINEAR ACTUATOR ASSEMBLY AND SYSTEM

#2
20260117802
2026-04-30

INTERMEDIATE HYDRAULIC SYSTEM AND METHOD OF USE

#3
20260009408
2026-01-08

HYDRAULIC FORCE FIGHT MITIGATION

#4
20260002777
2026-01-01

METHOD FOR DETECTING A FREE PLAY IN A CONTROL SURFACE AND ASSOCIATED DETECTION SYSTEM

#5
20250075712
2025-03-06

PNEUMATIC SYSTEM AND PROCESS

#6
20240117821
2024-04-11

Pneumatic cylinder system

#7
20240035293
2024-02-01

Robotic platform for construction

#8
20230400120
2023-12-14

Preventing control-induced oscillations of the position of a valve member in a valve with pneumatic actuator

#9
20230258205
2023-08-17

Pulse width modulated control of servo

#10
20230204052
2023-06-29

Piezoelectric ring bender servo valve assembly for aircraft flight control actuation and fuel control systems

#11
20230175536
2023-06-08

Control device and hydraulic system including the same

#12
20230151829
2023-05-18

HYDRAULIC FORCE FIGHT MITIGATION

#13
20230131734
2023-04-27

Actuator predictive system

#14
20230060393
2023-03-02

Electronic control unit, hydraulic system, and method for controlling a hydraulic system

#15
20220298812
2022-09-22

ROBOTIC PLATFORM FOR CONSTRUCTION

#16
20220235880
2022-07-28

Partial stroke tests for shutdown valves

#17
20220196044
2022-06-23

Electro-hydraulic servo actuator capable of implementing long-stroke and high-frequency loading, and control method

#18
20220186750
2022-06-16

Hydraulic system and a method for controlling the same

#19
20220178389
2022-06-09

Control method of gas pressure actuator and control calculation device

#20
20220163054
2022-05-26

Linear actuator assembly and system

#21
20220145910
2022-05-12

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

#22
20220144414
2022-05-12

Flight control system comprising a hydraulic servo actuator

#23
20220056932
2022-02-24

System and method for automatic calibration of actuators

#24
20220025910
2022-01-27

SELF-CONTAINED ENERGY EFFICIENT HYDRAULIC ACTUATOR SYSTEM

#25
20210372441
2021-12-02

Automatic selective control valve (SVC) configuration detection, and operation assignment, directionality confirmation, and calibration for towable implements towable by work vehicles

#26
20210356975
2021-11-18

Valve device, system and method

#27
20210324879
2021-10-21

System and method for end position damping

#28
20210310504
2021-10-07

Actuator predictive system

#29
20210246915
2021-08-12

Electro-hydraulic servovalve control with input

#30
20210131060
2021-05-06

Closed loop feedback circle drive systems for motor graders

#31
20200400165
2020-12-24

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

#32
20200347854
2020-11-05

Linear Actuator Assembly and System

#33
20200292100
2020-09-17

Spool valve device and spool valve

#34
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

#35
20200224682
2020-07-16

Linear actuator assembly and system

#36
20200200198
2020-06-25

Electropneumatic controller and process control device equipped therewith

#37
20200196513
2020-06-25

Closed-loop proportional position control of an implement stabilizer wheel

#38
20200124064
2020-04-23

Flow rate regulating valve and fluid control apparatus using the same

#39
20200063883
2020-02-27

Piezoelectric ring bender servo valve assembly for aircraft flight control actuation and fuel control systems

#40
20200011451
2020-01-09

Partial stroke tests for shutdown valves

#41
20190390691
2019-12-26

Actuator of a process device having a controller configured to operate in a measured position feedback mode and a simulated position feedback mode

#42
20190376533
2019-12-12

Actuator limit controller

#43
20190330823
2019-10-31

Work vehicle control system providing coordinated control of actuators

#44
20190285191
2019-09-19

Valve system in an injection molding system

#45
20190285097
2019-09-19

Electropneumatic control system and position controller for such a system

#46
20190257327
2019-08-22

Hydraulic cylinder health monitoring and remaining life system

#47
20190219070
2019-07-18

Motor control device

#48
20190162207
2019-05-30

Hydraulic system with servo drive and hydraulic load and control unit for the hydraulic system

#49
20190143540
2019-05-16

Actuator device and control method

#50
20190120263
2019-04-25

Constructing valve positioners for hazardous areas

#51
20190093682
2019-03-28

Optimized method for controlling position and crossover pressure in a double acting actuator

#52
20190048864
2019-02-14

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

#53
20190017520
2019-01-17

Servo governor by PWM

#54
20180370775
2018-12-27

Offshore crane heave compensation control system and method using visual ranging

#55
20180363682
2018-12-20

FLUID POWER CONTROL SYSTEM FOR MOBILE LOAD HANDLING EQUIPMENT

#56
20180355893
2018-12-13

Fluid system and process valve

#57
20180347480
2018-12-06

Hydraulic system and method for controlling same

#58
20180345942
2018-12-06

Valve control device, liquid pressure control device, and valve control method

#59
20180327082
2018-11-15

Hydraulic actuation system

#60
20180283415
2018-10-04

Method of setting actuator and fluid pressure control circuit

#61
20180209297
2018-07-26

Methods and apparatus to control the actuation of regulators including a loading chamber

#62
20180202467
2018-07-19

Hydraulic drive device and method for controlling the same

#63
20180180069
2018-06-28

Closed loop and/or open loop control method for an electropneumatic field device

#64
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#65
20180142709
2018-05-24

Operation device and hydraulic system

#66
20180128607
2018-05-10

Method to automatically detect the area ratio of an actuator

#67
20180128292
2018-05-10

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

#68
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

#69
20180112682
2018-04-26

Electropneumatic positioner and a field device having an electro-pneumatic positioner

#70
20180043590
2018-02-15

Valve system in an injection molding system

#71
20180022441
2018-01-25

Electronically controlled rotary actuator for an aircraft control surface

#72
20170364097
2017-12-21

Fluid metering valve

#73
20170338660
2017-11-23

System and method for mechanical load balancing using generator droop frequency based on motor load feedback

#74
20170167513
2017-06-15

Electronic begin of regulation control for a hydraulic motor

#75
20170146035
2017-05-25

Linear actuator assembly and system

#76
20170121944
2017-05-04

Control device and working machine

#77
20170114807
2017-04-27

Linear actuator assembly and system

#78
20170089365
2017-03-30

Actuator limit controller

#79
20170051629
2017-02-23

Actuator control

#80
20170029256
2017-02-02

Load dependent electronic valve actuator regulation and pressure compensation

#81
20160290369
2016-10-06

Hydraulic system and method for controlling same

#82
20160230789
2016-08-11

ACTUATOR PREDICTIVE SYSTEM

#83
20160138621
2016-05-19

Actuator utilizing pneumatic muscles

#84
20160102685
2016-04-14

Self-contained energy efficient hydraulic actuator system

#85
20160062368
2016-03-03

Position controller for a pneumatic field device

#86
20160061236
2016-03-03

Method for controlling hydraulic system of construction machinery

#87
20160040689
2016-02-11

Device and method for controlling hydraulic pump in construction machine

#88
20150152894
2015-06-04

Actuator unit

#89
20150142183
2015-05-21

Control device for a hydraulic cylinder unit with an individual valve controller

#90
20140117263
2014-05-01

Pneumatic drive system and method for operating the pneumatic drive system

#91
20140116241
2014-05-01

Electropneumatic control device and electropneumatic subassembly

#92
20140076440
2014-03-20

Electro-hydraulic interactive double feedback loop

#93
20140064998
2014-03-06

Hydraulic motor assembly for an aerial refueling system

#94
20130277584
2013-10-24

Fluid power control system for mobile load handling equipment

#95
20130276516
2013-10-24

Actuator predictive system

#96
20130248742
2013-09-26

Digital Control Method for a Hydraulic ON/OFF Valve

#97
20120330515
2012-12-27

Control device and control method for working mechanism of construction vehicle

#98
20120233990
2012-09-20

METHOD FOR OPERATING A HYDRAULIC DRIVE DEVICE AND METHOD OF OPERATING THE SAME

#99
20120198827
2012-08-09

Hydraulic drive system

#100
20110240152
2011-10-06

SYSTEM AND METHOD FOR ADJUSTING THE POSITION OF A CONTROL MEMBER OF A POWER PLANT

#101
20110120296
2011-05-26

Actuator, actuator control method, and actuator control program

#102
20110061375
2011-03-17

Hydraulic drive system

#103
20110014062
2011-01-20

Control device of hydraulically driven fan

#104
20100294125
2010-11-25

Control device for the position control of a hydraulic cylinder unit comprising a linearization unit

#105
20100212489
2010-08-26

REGULATION STRUCTURE FOR A HYDRAULIC CYLINDER UNIT WITH CASCADE STATUS REGULATOR

#106
20100181512
2010-07-22

Method and device for testing drive parameters of an electropneumatic valve for a pneumatic actuating drive

#107
20100179699
2010-07-15

METHOD AND ELECTRONIC DEVICE FOR COMPENSATION FOR THE DRIFT BEHAVIOR OF A PNEUMATIC ACTUATING ELEMENT DURING OPERATION

#108
20100176320
2010-07-15

Method and electronic device for compensation of the hysteresis of pneumatically driven fittings

#109
20100132908
2010-06-03

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

#110
20100121496
2010-05-13

Pneumatic actuator system and method

#111
20100097040
2010-04-22

Electronic control for a hydraulically driven auxiliary power source

#112
20100097038
2010-04-22

Electronic control for a hydraulically driven generator

#113
20100077596
2010-04-01

Manifold assembly having a centralized pressure sensing package

#114
20090319133
2009-12-24

Method for controlling a movement of a vehicle component

#115
20090308068
2009-12-17

CONTROL CIRCUIT FOR CONSTRUCTION MACHINE

#116
20090193801
2009-08-06

Hydraulic drive system

#117
20090134848
2009-05-28

Electronic control for a hydraulically driven generator

#118
20090097986
2009-04-16

OIL PRESSURE UNIT AND SPEED CONTROL METHOD OF MOTOR IN OIL PRESSURE UNIT

#119
20090007769
2009-01-08

Positioning control mechanism for double-acting air cylinder

#120
20080271596
2008-11-06

Actuator using fluid cylinder and method of controlling the same

#121
20080243274
2008-10-02

Control method and controller for a mechanohydraulic system

#122
20080202110
2008-08-28

Hydraulic control arrangement

#123
20080184877
2008-08-07

Control system for a hydraulic servomotor

#124
20080184876
2008-08-07

Hydraulic actuator having an auxiliary valve

#125
20080184875
2008-08-07

Valve assembly and a hydraulic actuator comprising the valve assembly

#126
20080163750
2008-07-10

System and method for controlling actuator position

#127
20080087163
2008-04-17

Drift compensation control method for a machine

#128
20070277754
2007-12-06

Manifold assembly having a centralized pressure sensing package

#129
20070239412
2007-10-11

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

#130
20070204603
2007-09-06

Actuator control system and method

#131
20070199440
2007-08-30

Hydraulic system for utility vehicles, in particular agricultural tractors

#132
20070120662
2007-05-31

Digital Hydraulic system

#133
20070089533
2007-04-26

Compliant coupling force control system

#134
20070044650
2007-03-01

Valve having a hysteretic filtered actuation command

#135
20070025176
2007-02-01

Batch mixer

#136
20060236689
2006-10-26

Apparatus and method for controlling a pump flow of heavy construction equipment

#137
20060222509
2006-10-05

Positioner for a fluid actuator

#138
20060207248
2006-09-21

Hydraulic circuit of construction machinery

#139
20060202504
2006-09-14

Hydraulic drive system for vehicle roofs

#140
20060191262
2006-08-31

Hydraulic control valve system with electronic load sense control

#141
20060184259
2006-08-17

Air pressure cylinder for positioning control

#142
20060156916
2006-07-20

Electronic control for a hydraulically driven generator

#143
20060156713
2006-07-20

Hydraulic drive system

#144
20060042240
2006-03-02

System and method for controlling hydraulic fluid flow

#145
20060037467
2006-02-23

Servo-pneumatic actuator

#146
20060037466
2006-02-23

Method and apparatus for controlling air cylinder

#147
20060026955
2006-02-09

Pressure-medium-actuated actuation device, in particular for a vehicle steering apparatus

#148
20050265852
2005-12-01

Fluid pressure control device

#149
20050144939
2005-07-07

Hydraulic actuating device for a convertible top assembly of a vehicle

#150
20050051025
2005-03-10

Valve arrangement and hydraulic drive