ClassID:

146505

F15B2211/87 - CPC Classification

Classification description:

Circuits for servomotor systems; Other types of control related to particular problems or conditions Detection of failures

Recent Application in this class:
#1
20260079063
2026-03-19

SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES

#2
20250271007
2025-08-28

HYDRAULIC SYSTEM

#3
20250188963
2025-06-12

HYDRAULIC CYLINDER MONITORING

#4
20250171135
2025-05-29

METHOD FOR DIAGNOSING A STATE OF DETERIORATION OF AN UPLOCK

#5
20250075714
2025-03-06

DYNAMIC TESTING SYSTEM DIAGNOSTICS

#6
20250035133
2025-01-30

FLOATING CONTROL SYSTEM FOR FIXED DISPLACEMENT PUMP SYSTEM

#7
20240191813
2024-06-13

MULTIFUNCTIONAL ELECTRO-HYDRAULIC FLOW CONTROL VALVE AND FLOW CONTROL METHOD

#8
20240141885
2024-05-02

Hydraulic pump performance deterioration detection system

#9
20240125666
2024-04-18

SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES

#10
20240077091
2024-03-07

Hydraulic pump performance deterioration detection system

#11
20240011514
2024-01-11

CYLINDER FAILURE PREDICTION SYSTEM AND METHOD, AND CYLINDER FAILURE INSPECTION SYSTEM AND METHOD

#12
20230349401
2023-11-02

REDUNDANT VALVE MANIFOLD SYSTEM

#13
20230160403
2023-05-25

DEPLOYABLE ENERGY SUPPLY AND MANAGEMENT SYSTEM

#14
20230131734
2023-04-27

Actuator predictive system

#15
20230058633
2023-02-23

DEVICE AND METHOD FOR DIAGNOSING AND CONFIGURING A HYDRAULIC DEVICE BASED ON WIRELESS LOCAL AREA NETWORK

#16
20220390324
2022-12-08

Establishing termination criteria for a partial-stroke test of a fluid driven safety valve, and determining the proper functioning of a fluid driven safety valve

#17
20220356962
2022-11-10

STICK SLIP DETECTION SYSTEM AND METHOD

#18
20220243746
2022-08-04

Hydraulic cylinder monitoring

#19
20210364017
2021-11-25

Redundant valve manifold system

#20
20210310504
2021-10-07

Actuator predictive system

#21
20210302259
2021-09-30

Systems and methods for control and monitoring of actuated valves

#22
20210102561
2021-04-08

Abnormality detecting system and abnormality detecting method

#23
20210018021
2021-01-21

Hydraulic component

#24
20200325919
2020-10-15

Monitoring device

#25
20200292100
2020-09-17

Spool valve device and spool valve

#26
20200292068
2020-09-17

Hydraulic circuit, torque transmission device having a hydraulic circuit, and method for operating a hydraulic circuit

#27
20200291971
2020-09-17

Hydraulic system

#28
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

#29
20200240231
2020-07-30

Systems and methods for actuating hydraulically-actuated devices

#30
20190345692
2019-11-14

Construction machine

#31
20190310157
2019-10-10

Diagnostic apparatus, system and method

#32
20190309842
2019-10-10

Method for operating a pneumatic actuating system of a transmission and control device for carrying out the method

#33
20190249798
2019-08-15

Determining the operability of a fluid driven safety valve

#34
20190234514
2019-08-01

Hydraulic system for an automatic transmission of a motor vehicle

#35
20190226937
2019-07-25

Systems and methods for control and monitoring of actuated valves

#36
20190211851
2019-07-11

Method and system for monitoring health of a hydraulic fluid subsystem

#37
20190195732
2019-06-27

Wear detection method and wear detection system for linear actuator

#38
20190063473
2019-02-28

System and method for rephasing fluid-driven actuators

#39
20190063039
2019-02-28

Hydraulic energy regeneration system for work machine

#40
20190049001
2019-02-14

Hydraulic control device including first and second hydraulic sensors

#41
20180306214
2018-10-25

SYSTEM FOR CONTROLLING A FLOW OF FLUID, FEEDING SYSTEM COMPRISING SUCH A CONTROL SYSTEM AND METHOD USING SUCH A FEEDING SYSTEM

#42
20180299339
2018-10-18

Monitoring apparatus and abnormality diagnosis apparatus

#43
20180283419
2018-10-04

Hydraulic pressure control device

#44
20180266127
2018-09-20

Automated safety rail system

#45
20180128607
2018-05-10

Method to automatically detect the area ratio of an actuator

#46
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

#47
20180094746
2018-04-05

Methods and apparatus for automatically detecting the failure configuration of a pneumatic actuator

#48
20180066493
2018-03-08

Systems and methods for actuating hydraulically-actuated devices

#49
20170363512
2017-12-21

Method for detecting a reciprocal position between a cylinder and a piston of a piston-cylinder unit and a relative piston-cylinder unit

#50
20170328383
2017-11-16

Valve arrangement

#51
20170096908
2017-04-06

Pneumatic trip valve partial stroking arrangement

#52
20170058921
2017-03-02

Automatic oil spill detection system

#53
20160356396
2016-12-08

Electro-pneumatic actuator

#54
20160230789
2016-08-11

ACTUATOR PREDICTIVE SYSTEM

#55
20160208831
2016-07-21

System for estimating a sensor output

#56
20160138724
2016-05-19

Valve group and inlet module of a valve group

#57
20160062368
2016-03-03

Position controller for a pneumatic field device

#58
20150376875
2015-12-31

Automatic valve shutoff device and methods

#59
20150323936
2015-11-12

Methods and apparatus to partial stroke test valves using pressure control

#60
20150286205
2015-10-08

System and method for controlling a valve

#61
20150083260
2015-03-26

Solenoid valve system

#62
20150040549
2015-02-12

Method and control unit for the operation of a parking brake of a vehicle transmission assembly

#63
20150013772
2015-01-15

Automatic valve shutoff device and methods

#64
20140305298
2014-10-16

Pneumatic drive and method for acquiring the power of a pneumatic drive

#65
20140266711
2014-09-18

Wireless gas condition monitoring device

#66
20140099212
2014-04-10

Automatic oil spill detection system

#67
20140060029
2014-03-06

Electropneumatic position regulator

#68
20140034133
2014-02-06

Dynamic seal wear mitigation system

#69
20140018964
2014-01-16

Valve contamination dislodgement

#70
20130276516
2013-10-24

Actuator predictive system

#71
20130174915
2013-07-11

Valve positioning system with bleed prevention

#72
20130014499
2013-01-17

Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motors

#73
20120112759
2012-05-10

System and method for testing a secondary servo control circuit in a redundant control configuration

#74
20120104294
2012-05-03

Valve Array with CAN Bus Circulation Valve

#75
20110088795
2011-04-21

Control system for a hydraulic coupler

#76
20100100274
2010-04-22

Safety device for hydraulic working machine

#77
20100078089
2010-04-01

Hydraulic trip unit for a valve unit in a prime mover plant, especially for a fast-acting shut-off valve of a turbine plant

#78
20080146988
2008-06-19

Pressure monitor for pneumatic vitrectomy machine

#79
20080016861
2008-01-24

Hydraulic controller for working machine

#80
20070089408
2007-04-26

HYDRAULIC CONTROLLER FOR WORKING MACHINE

#81
20060288863
2006-12-28

Hydraulic circuit for working machine

#82
20060090802
2006-05-04

Valve arrangement

#83
20060042250
2006-03-02

Safety circuit for media-operated consumers and process for its operation

#84
20050274419
2005-12-15

Valve arrangement