ClassID:

146139

F15B19/00 - CPC Classification

Classification description:

Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for

Sub-classes:
Recent Application in this class:
#1
20260153103
2026-06-04

FLUID LEVEL INDICATOR FOR A HYDRAULIC RESERVOIR

#2
20260146630
2026-05-28

TELESCOPIC CYLINDER WITH VARIABLE VOLUME FEED CHANNELS AND CYLINDER CONTROL

#3
20260145628
2026-05-28

HYDRAULIC SYSTEMS AND METHODS FOR A VEHICLE WITH A COMMON PUMP SUPPLYING STEERING AND BRAKING FUNCTIONS

#4
20260131769
2026-05-14

STROKE SENSOR APPARATUS FOR BRAKE PEDAL AND ELECTRONIC BRAKE SYSTEM INCLUDING THEREOF

#5
20260126127
2026-05-07

HYDRAULIC OR PNEUMATIC ACTUATOR FOR TRIP VALVES OF STEAM TURBINES OR TURBO-EXPANDERS

#6
20260110370
2026-04-23

SYSTEMS AND METHODS FOR AUTONOMOUS PRESSURE RELIEF VALVE TESTING

#7
20260103170
2026-04-16

Vehicle Leveling System

#8
20260099162
2026-04-09

FLUID PRESSURE CONTROL DEVICE

#9
20260098392
2026-04-09

TILTROTATOR ARRANGEMENT INCLUDING A TILTROTATOR AND A VALVE ARRANGEMENT

#10
20260092527
2026-04-02

INTELLIGENT AUTOMATIC COAL POWDER RECEIVING DEVICE AND METHOD BASED ON PREVENTION AND CONTROL OF ROCK BURSTS IN COAL MINES

#11
20260085496
2026-03-26

HYDRAULIC SYSTEM FOR WORKING MACHINE, WORKING MACHINE, AND METHOD OF CONTROLLING WORKING MACHINE

#12
20260078779
2026-03-19

LEARNING FOR CONTROLLING PNEUMATIC DRIVEN POSITIONING DEVICES

#13
20260078567
2026-03-19

Control System of Work Machine

#14
20260029003
2026-01-29

HYDRAULIC CONTROL DEVICE, HYDRAULIC CIRCUIT CONTROL METHOD, AND HYDRAULIC DEVICE

#15
20260022714
2026-01-22

HYDRAULIC SYSTEM AND WORKING MACHINE

#16
20260022533
2026-01-22

CONSTRUCTION MACHINE

#17
20260005633
2026-01-01

CONTROLLING A MOTOR BASED ON A FLOW RATE OF HYDRAULIC FLUID TO THE MOTOR

#18
20260002777
2026-01-01

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

#19
20260002553
2026-01-01

METHOD FOR OPERATING A HYDRAULIC SYSTEM OF AN INDUSTRIAL MACHINE

#20
20260002549
2026-01-01

HYDRAULICALLY POWERED POWER SYSTEMS AND HYDRAULIC CIRCUITS HAVING A FLOW VALVE AND A HYDRAULIC PROPORTIONAL BYPASS VALVE

#21
20260001662
2026-01-01

METHOD AND SYSTEM FOR MONITORING THE PERFORMANCE OF A HYDRAULIC SYSTEM OF AN AIRCRAFT

#22
20250362157
2025-11-27

Swivel Angle Measuring Device on a Hydrostatic Axial Piston Machine with Variable Stroke Volume

#23
20250361885
2025-11-27

CONTROL DEVICE OF A PNEUMATIC ELEMENT

#24
20250342735
2025-11-06

PROPORTIONAL RELIEF SYSTEM FOR A POWER TAKE-OFF

#25
20250341226
2025-11-06

PUMP PROPORTIONAL CONTROL WITH INPUT SIGNAL MODIFICATION

#26
20250341225
2025-11-06

MONITORING USE OF A PNEUMATIC DEVICE

#27
20250334981
2025-10-30

ELECTRONIC CONTROL OF FLUID OPERATIONS FOR MACHINES

#28
20250320883
2025-10-16

Method and System for Controlling a Total Movement of a Distribution Boom, and Method for Distributing Construction Material and/or Thick Matter by Means of a Construction Material and/or Thick Matter Pump Device Having a Distribution Boom

#29
20250320098
2025-10-16

MAST HYDRAULIC SENSING SYSTEM AND METHOD

#30
20250314550
2025-10-09

SYSTEMS AND METHODS FOR LEAKAGE DETECTION, PREVENTION, AND MITIGATION

#31
20250303506
2025-10-02

WELDING MACHINES FOR PIPELINES

#32
20250283487
2025-09-11

ABNORMALITY DIAGNOSIS SYSTEM

#33
20250257746
2025-08-14

METHOD FOR REAL-TIME HYDRAULIC CYLINDER DRIFT MONITORING

#34
20250230822
2025-07-17

CONTROL CIRCUIT FOR A HARVESTER HEAD

#35
20250216281
2025-07-03

DEVICE AND METHOD FOR CAVITATION DETECTION OF PURE WATER HYDRAULIC SYSTEM BASED ON PRESSURE

#36
20250216280
2025-07-03

PRESSURE MEASURING MODULE FOR A PNEUMATIC DEVICE OF A VEHICLE

#37
20250182485
2025-06-05

FOREIGN OBJECT RECOGNITION SYSTEM

#38
20250171163
2025-05-29

HYDRAULIC SYSTEM FOR AN AIRCRAFT, HYDRAULIC ARRANGEMENT, AIRCRAFT, AIRCRAFT ARRANGEMENT, AND METHOD FOR TESTING SUCH HYDRAULIC SYSTEM

#39
20250153237
2025-05-15

EARLY WARNING METHOD FOR FATIGUE DAMAGE STATE OF TIE ROD IN DIAMETER EXPANDING MACHINE BASED ON OIL PRESSURE OF POWER CYLINDER

#40
20250146515
2025-05-08

Method for Operating an Axial Piston Machine in Which a Zero Case is Taken into Account

#41
20250108937
2025-04-03

HYDRAULIC SYSTEM FOR AN AIRCRAFT WITH PRESSURE SETTING FUNCTION, USE THEREOF AND METHOD FOR OPERATION

#42
20250100715
2025-03-27

METHOD AND DEVICES FOR TESTING AN AIRCRAFT'S HYDRAULIC SYSTEM

#43
20250075714
2025-03-06

DYNAMIC TESTING SYSTEM DIAGNOSTICS

#44
20250075713
2025-03-06

CONTROLLING MULTIPLE EVERSION-BASED ACTUATORS

#45
20250059728
2025-02-20

Work Machine

#46
20250059727
2025-02-20

WORKING MACHINE

#47
20250043803
2025-02-06

VALVE MODULE SYSTEM

#48
20250043779
2025-02-06

HYDRAULIC POWER GENERATION PUMP CONTROL

#49
20250035137
2025-01-30

PNEUMATIC GAUGE AND PRESSURE CONTROL DEVICE AND PNEUMATIC SYSTEM INCLUDING SAME

#50
20250034839
2025-01-30

WORK MACHINE

#51
20250020145
2025-01-16

Mobile Machine and Method

#52
20250020120
2025-01-16

SYSTEM FOR DETERMINING SERVICE LIFE OF HYDRAULIC PUMP

#53
20250018917
2025-01-16

HYDRAULIC PRESSURE CONTROL UNIT

#54
20250012050
2025-01-09

ELECTRIC WORKING MACHINE

#55
20250003193
2025-01-02

WORKING MACHINE

#56
20250002174
2025-01-02

HYDRAULIC SYSTEM FOR RAPID MOORING DEVICE OF OFFSHORE OPERATION HELICOPTER AND CONTROL METHOD

#57
20250001983
2025-01-02

STROKE SENSOR APPARATUS FOR BRAKE PEDAL AND ELECTRONIC BRAKE SYSTEM INCLUDING THEREOF

#58
20240419194
2024-12-19

ELECTRONIC CONTROL OF FLUID OPERATIONS FOR MACHINES

#59
20240418603
2024-12-19

PERFORMANCE TESTING DEVICE FOR PISTON ROD SEALING ASSEMBLY

#60
20240401616
2024-12-05

System for detecting operation of a fluid pressure actuator

#61
20240376695
2024-11-14

Pump Diagnostic Device and Construction Machine

#62
20240365713
2024-11-07

Bale Collection Monitoring

#63
20240352954
2024-10-24

HYDRAULIC SYSTEM, MINING VEHICLE AND METHOD

#64
20240337279
2024-10-10

System and method for controlling a hydraulic supply system on a mobile machine

#65
20240337092
2024-10-10

WORKING MACHINE

#66
20240328440
2024-10-03

METHOD AND SYSTEM FOR CONTROLLING FLOW COMMANDS

#67
20240318675
2024-09-26

Method and Application for Eliminating Gaseous Cavitation

#68
20240316734
2024-09-26

SENSOR INSTALLATION TOOL

#69
20240301651
2024-09-12

WORKING MACHINE

#70
20240287763
2024-08-29

Work Machine

#71
20240247665
2024-07-25

Controlling multiple eversion-based actuators

#72
20240240413
2024-07-18

Electric Apparatus for Screeding Concrete

#73
20240215485
2024-07-04

HEADER ASSEMBLY FOR AN AGRICULTURAL VEHICLE

#74
20240198884
2024-06-20

HYDRAULIC CYLINDER ASSEMBLY

#75
20240167488
2024-05-23

FLUID CIRCUIT

#76
20240141928
2024-05-02

Electro-hydraulic artificial muscle with three-dimensional interactive stacked electrodes

#77
20240125674
2024-04-18

Diagnostic system and method for monitoring hydraulic pump

#78
20240117826
2024-04-11

Pilot proportional control valve apparatus, automatic calibration method and medium

#79
20240084829
2024-03-14

Hydraulic Drive for a Hydraulic Consumer Alternately Pressurized in Opposite Directions during Operation

#80
20240077091
2024-03-07

Hydraulic pump performance deterioration detection system

#81
20240044420
2024-02-08

Systems and Methods for Autonomous Pressure Relief Valve Testing

#82
20240044345
2024-02-08

METHOD FOR ASSESSING A CONDITION OF A PNEUMATIC NETWORK

#83
20230415686
2023-12-28

HYDRAULIC SYSTEMS AND METHODS FOR A VEHICLE WITH A COMMON PUMP SUPPLYING STEERING AND BRAKING FUNCTIONS

#84
20230407597
2023-12-21

Hydraulic circuit for a construction machine

#85
20230392620
2023-12-07

DETERMINATION APPARATUS, MOBILE OBJECT, COMPUTER-READABLE STORAGE MEDIUM, AND DETERMINATION METHOD

#86
20230366417
2023-11-16

Method for controlling a hydraulic system

#87
20230327782
2023-10-12

HYDRAULIC DEVICE MEASUREMENT APPARATUS, HYDRAULIC DEVICE MEASUREMENT SYSTEM, AND HYDRAULIC DEVICE MEASUREMENT METHOD

#88
20230265869
2023-08-24

Measuring system and pressure medium cylinder comprising a measuring system

#89
20230229157
2023-07-20

Remote wireless hydraulic cab

#90
20230151584
2023-05-18

System and method for heating the hydraulic fluid of an electric work vehicle

#91
20230097474
2023-03-30

Fluidic control system

#92
20220397135
2022-12-15

Determining remaining life of a hose assembly based on sensor data

#93
20220397134
2022-12-15

Control strategy for hydraulic system

#94
20220347906
2022-11-03

METHOD FOR MONITORING THE HYDRAULIC SUPPLY SYSTEM OF A PLASTIC PROCESSING MACHINE

#95
20220325498
2022-10-13

System and method of tilting a track loader bucket to achieve desired cross slope

#96
20220316174
2022-10-06

Work machine and method for controlling the same

#97
20220282454
2022-09-08

Hydraulic system

#98
20220169367
2022-06-02

Redundant hydraulic power pack architecture for aircraft main landing gear system

#99
20220145910
2022-05-12

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

#100
20220113746
2022-04-14

Electronic control of fluid operations for machines

#101
20220098967
2022-03-31

Excavating machine with control system of the combined drive of two winches

#102
20220050058
2022-02-17

Inspection device for hydraulic equipment, inspection system for hydraulic equipment, work vehicle, and inspection method for hydraulic equipment

#103
20220031544
2022-02-03

Cylinder device for a hydraulic lifting device with distance measurement, hydraulic lifting device, chassis and mobile device

#104
20220018825
2022-01-20

Deterioration estimation device, deterioration estimation method, and non-transitory storage medium that detects a degree of deterioration of oil based on color, hydrogen ion concentration and foreign matter

#105
20210332836
2021-10-28

Accumulator pre-charge monitoring using position sensor

#106
20210324883
2021-10-21

System and method for determining friction information

#107
20210148384
2021-05-20

Open center hydraulic system and valve

#108
20210095777
2021-04-01

Safety valve

#109
20210068330
2021-03-11

Tillage implement with gauge wheels having hydraulic down-pressure

#110
20210025115
2021-01-28

Saborage-resistant switch device for moving railroad switch points

#111
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

#112
20200240244
2020-07-30

Subsea technology

#113
20200232837
2020-07-23

Sensor unit, fluid power unit with sensor unit and method for measuring parameters of a fluid

#114
20200220445
2020-07-09

Hydraulic actuator device and method for creating a pressure build-up in at least one partial volume of a hydraulic system filled with an electrically conductive medium

#115
20200217047
2020-07-09

SYSTEM AND METHOD TO DETERMINE MECHANICAL WEAR IN A MACHINE HAVING ACTUATORS

#116
20200182262
2020-06-11

Fluidic control system

#117
20200178456
2020-06-11

Portable hydraulic connection and control assembly

#118
20200165797
2020-05-28

Dynamic open center hydraulic system control

#119
20200156738
2020-05-21

Hydraulic valve unit, saddle-type vehicle

#120
20200124206
2020-04-23

Locally-actuated partial stroke testing system

#121
20200122538
2020-04-23

RIDE CONTROL SYSTEMS AND METHODS FOR ROTARY CUTTING MACHINES

#122
20200103926
2020-04-02

Electronic control of fluid operations for machines

#123
20190226355
2019-07-25

Methods and apparatus to diagnose a pneumatic actuator-regulating accessory

#124
20190195249
2019-06-27

Method and apparatus for diagnosing pneumatic control valve by using positioner model

#125
20190178746
2019-06-13

Load-sensitive multi-path valve testing device and testing method

#126
20190018430
2019-01-17

Electronic control of fluid operations for machines

#127
20180305900
2018-10-25

Method for controlling the engine speed of a utility vehicle

#128
20180222599
2018-08-09

Hydraulic actuator and accumulator arrangement

#129
20180216638
2018-08-02

Wind turbine, control device for same, and control method for same

#130
20180156696
2018-06-07

Apparatus and method for testing a linear acuator

#131
20180128607
2018-05-10

Method to automatically detect the area ratio of an actuator

#132
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

#133
20170268432
2017-09-21

Emergency shutoff device and emergency shutoff system provided with same

#134
20170260033
2017-09-14

Cargo vehicle

#135
20170159677
2017-06-08

Hydraulic reservoir for electrohydraulic actuator

#136
20170107696
2017-04-20

Work machine

#137
20170102015
2017-04-13

Fluid testing device, and a method of testing a pressurized fluid for dissolved and/or entrained gasses

#138
20170051768
2017-02-23

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

#139
20170030382
2017-02-02

Combination device for lockout and partial stroke test of valve actuators

#140
20160333902
2016-11-17

HYDRAULIC CYLINDER DISPLACEMENT MEASUREMENT SYSTEM

#141
20160258452
2016-09-08

Method and system for generating an alert relating to a hydraulic actuation system

#142
20160091001
2016-03-31

Method for determining a control force of an actuator

#143
20160010639
2016-01-14

Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring

#144
20150369261
2015-12-24

HYDRAULIC DRIVE SYSTEM

#145
20150337871
2015-11-26

HYDRAULIC CONTROL SYSTEM HAVING BIAS CURRENT CORRECTION

#146
20150323936
2015-11-12

Methods and apparatus to partial stroke test valves using pressure control

#147
20150308469
2015-10-29

Machine control system having hydraulic warmup procedure

#148
20150285281
2015-10-08

Fluid system and method for operating a fluid system

#149
20150260550
2015-09-17

Sensor arrangement for a rotatable element

#150
20150204358
2015-07-23

Hydraulic system for extreme climates

#151
20150167703
2015-06-18

Internal position sensor

#152
20150128580
2015-05-14

Hydraulic brake

#153
20150096436
2015-04-09

AC servo motor hydraulic units for ship motion control

#154
20150085613
2015-03-26

System for position measuring and integrity measuring

#155
20140326908
2014-11-06

VALVE CONTROL DEVICE FOR A VEHICLE

#156
20140309794
2014-10-16

Electronic control of fluid operations for machines

#157
20140053635
2014-02-27

Device and method for measuring the leakage rate from reference pressure lines onboard an aircraft

#158
20130145756
2013-06-13

System and method for determining accumulator fill

#159
20120083928
2012-04-05

Method for controlling a digital hydraulic controller

#160
20110072821
2011-03-31

Control Device and Method for a Quick-Acting Gate Valve of a Steam Turbine

#161
20100305874
2010-12-02

ELECTRONIC WEAR STATE DETERMINATION IN A VALVE ARRANGEMENT

#162
20090279222
2009-11-12

Hydraulic valve control circuit and method for checking the function of a hydraulic valve control circuit

#163
20090278066
2009-11-12

HYDRAULIC VALVE CONTROL DEVICE AND METHOD FOR CHECKING A HYDRAULIC VALVE CONTROL DEVICE

#164
20070227226
2007-10-04

Variable function voting solenoid-operated valve apparatus having air-to-move valve actuators and testing method therefor

#165
20070118325
2007-05-24

Device and method for controlling the state of an energy accumulator

#166
20060230755
2006-10-19

Electronically controllable and testable turbine trip system

#167
20060021654
2006-02-02

System for temperature-controlled testing of hydraulically actuated devices

#168
20060011240
2006-01-19

Fluidic control system

#169
20060005604
2006-01-12

Servo mechanism test stand

#170
20050211936
2005-09-29

Electrohydraulic valve servomechanism with adaptive resistance estimator

#171
19096912
2026-02-24

Systems and methods to monitor operabilty of an actuator of a rotatable steerable system (RSS)