ClassID:

146147

F15B20/005 - CPC Classification

Classification description:

Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems Leakage; Spillage; Hose burst

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

SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES

#2
20260028800
2026-01-29

MOBILE WORK MACHINE WITH EMERGENCY STOP FUNCTION IN CASE OF LEAKAGE IN THE WORK LINE

#3
20250314260
2025-10-09

HYDRAULIC CIRCUIT

#4
20250188963
2025-06-12

HYDRAULIC CYLINDER MONITORING

#5
20250129802
2025-04-24

Pressure Accumulator

#6
20250092888
2025-03-20

SYSTEMS AND METHODS FOR DETECTION AND ASSIGNMENT OF SELECTIVE CONTROL VALVE COUPLINGS

#7
20240426386
2024-12-26

ELEVATABLE CHAMBER AND METHOD OF OPERATING THE SAME

#8
20240280119
2024-08-22

LIQUID PRESSURE APPARATUS MONITORING SYSTEM

#9
20240271643
2024-08-15

INNOVATIVE CONTROL AND SAFETY SYSTEM FOR CONVEYING CIRCUITS OF PRESSURIZED FLUIDS

#10
20240125666
2024-04-18

SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES

#11
20230366417
2023-11-16

Method for controlling a hydraulic system

#12
20230358256
2023-11-09

Oil Leak Mitigation for Hydraulic Systems

#13
20230175601
2023-06-08

Valve assembly with preloaded control oil return

#14
20230174353
2023-06-08

Lifting mechanism

#15
20230160403
2023-05-25

DEPLOYABLE ENERGY SUPPLY AND MANAGEMENT SYSTEM

#16
20230090796
2023-03-23

Piston accumulator

#17
20230017448
2023-01-19

Method for preventing spills resulting from pipeline failures

#18
20220397134
2022-12-15

Control strategy for hydraulic system

#19
20220390315
2022-12-08

Multi-layer hose with tracer material

#20
20220243746
2022-08-04

Hydraulic cylinder monitoring

#21
20220065273
2022-03-03

METHOD FOR ESTABLISHING HYDRAULIC READINESS, AND HYDRAULIC SYSTEM

#22
20220026893
2022-01-27

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

#23
20210381654
2021-12-09

GAS NETWORK AND METHOD FOR THE SIMULTANEOUS DETECTION OF LEAKS AND OBSTRUCTIONS IN A GAS NETWORK UNDER PRESSURE OR VACUUM

#24
20210302259
2021-09-30

Systems and methods for control and monitoring of actuated valves

#25
20210270296
2021-09-02

Fluid leakage detection system and fluid pressure system

#26
20210231246
2021-07-29

SYSTEM AND METHOD FOR REDUCING ENVIRONMENTAL IMPACT CAUSED BY HYDRAULIC OIL LEAKING FROM A TRACTOR

#27
20210231050
2021-07-29

Aircraft pneumatic system

#28
20210179041
2021-06-17

METHOD FOR DETECTING A LEAK IN A DRIVE-BY-WIRE BRAKE SYSTEM

#29
20210146908
2021-05-20

Vehicle brake system and diagnostic method for determining a leak in one or more three-way valves

#30
20210131459
2021-05-06

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

#31
20210062978
2021-03-04

Method for preventing spills resulting from pipeline failures

#32
20200370570
2020-11-26

Device for supplying ports to a machine section of a hydraulic machine arrangement

#33
20200367755
2020-11-26

Method for detecting fluid injection in a patient

#34
20200363001
2020-11-19

System and method for reducing environmental impact caused by hydraulic oil leaking from a tractor

#35
20200347856
2020-11-05

Fluid leakage detection device and reciprocating fluid pressure device

#36
20200300277
2020-09-24

Fluid leakage detection system

#37
20200278042
2020-09-03

METHOD AND APPARATUS FOR DEACTIVATING A HYDRAULIC DEVICE THAT IS LEAKING HYDRAULIC OIL

#38
20200271142
2020-08-27

Non-return valve system with electronic control

#39
20200248717
2020-08-06

Accumulator

#40
20200240441
2020-07-30

Constructing valve positioners for hazardous areas

#41
20200123729
2020-04-23

Baseplate for a hydraulic appliance, and hydraulic appliance

#42
20200102973
2020-04-02

Internal valve transmitter flange

#43
20200063764
2020-02-27

Method and arrangement to detect an oil leakage between sections of a hydraulic cylinder

#44
20190338793
2019-11-07

Hydraulic fluid warming system and method

#45
20190264715
2019-08-29

Line rupture safeguard for a hydraulic cylinder

#46
20190228637
2019-07-25

Hydraulic accumulator health monitoring and remaining life system

#47
20190226937
2019-07-25

Systems and methods for control and monitoring of actuated valves

#48
20190211851
2019-07-11

Method and system for monitoring health of a hydraulic fluid subsystem

#49
20190203743
2019-07-04

HYDRAULIC NO-BACK DEVICE

#50
20190186511
2019-06-20

Leakage modulation in hydraulic systems containing a three-way spool valve

#51
20190186510
2019-06-20

Leakage modulation in hydraulic systems containing a three-way spool valve

#52
20190178266
2019-06-13

Servo control, rotor and aircraft

#53
20190170370
2019-06-06

Moisture detecting air cap indicator for expansion tank failure

#54
20190128293
2019-05-02

System and method for detecting a connector failure in an agricultural apparatus

#55
20190085877
2019-03-21

Variable pressure device and actuator

#56
20190048902
2019-02-14

LIQUID LEAKAGE DETECTION DEVICE

#57
20190033162
2019-01-31

Simple leakage detection in a hydraulic cylinder unit

#58
20180274319
2018-09-27

Safety system for overriding hydrocarbon control module

#59
20180252349
2018-09-06

System and method for reducing environmental impact caused by hydraulic oil leaking from a tractor

#60
20180252348
2018-09-06

FLAT-FACE QUICK ACTION COUPLER

#61
20180223881
2018-08-09

Hydraulic leak detection system

#62
20180223880
2018-08-09

LIQUID LEAKAGE DETECTION DEVICE

#63
20180209450
2018-07-26

HYDRAULIC UPPER LINK

#64
20180055366
2018-03-01

METHOD FOR DETECTING FLUID INJECTION IN A PATIENT

#65
20170213400
2017-07-27

Pitch trim actuator servicing monitoring system and method

#66
20170211600
2017-07-27

SYSTEM AND METHOD FOR HEATLH MONITORING OF SERVO-HYDRAULIC ACTUATORS

#67
20170184138
2017-06-29

SYSTEM AND METHOD FOR HEALTH MONITORING OF HYDRAULIC SYSTEMS

#68
20170175780
2017-06-22

Safety Valve For The Hydraulic Hopper Lifting System Of Compactor Trucks

#69
20170082212
2017-03-23

Control device for controlling a valve arrangement and method for controlling a safety arrangement comprising said control device and said valve arrangement

#70
20170058921
2017-03-02

Automatic oil spill detection system

#71
20160369822
2016-12-22

Liquid seal energy-accumulator and hydraulic system thereof based on liquid-collector and sandwich piston

#72
20160319976
2016-11-03

Anti-siphon arrangement for hydraulic systems

#73
20160084270
2016-03-24

Electrohydraulic control circuit

#74
20160047478
2016-02-18

Actuator system

#75
20160027225
2016-01-28

Pitch trim actuator servicing monitoring system

#76
20160001889
2016-01-07

HYDRAULICALLY ACTUATED MECHANICAL LOCK ASSEMBLY

#77
20150376875
2015-12-31

Automatic valve shutoff device and methods

#78
20150204360
2015-07-23

Hydraulic control valve for construction machinery

#79
20150013772
2015-01-15

Automatic valve shutoff device and methods

#80
20140266711
2014-09-18

Wireless gas condition monitoring device

#81
20140099212
2014-04-10

Automatic oil spill detection system

#82
20140083521
2014-03-27

Quick-attaching ceiling leak diverter devices

#83
20140060029
2014-03-06

Electropneumatic position regulator

#84
20130199619
2013-08-08

Method and apparatus for deactivating a hydraulic device that is leaking hydraulic oil

#85
20120124989
2012-05-24

Hydraulic Power Unit With Auto-Load Sensing

#86
20120000561
2012-01-05

Pressure Accumulator Device for Connecting to a Hydraulic System

#87
20110088383
2011-04-21

Hydraulic system for aircraft

#88
20100275771
2010-11-04

Hydraulic System and Mobile Construction Machine

#89
20100154902
2010-06-24

Hydraulic Shut-Off Valve with Surge Resistant Chamber

#90
20100071543
2010-03-25

Hydraulic apparatus

#91
20100030496
2010-02-04

Leakage detection and fluid level prognostics for aircraft hydraulic systems

#92
20090295588
2009-12-03

Method and apparatus for verifying a leak in connection with a flow inhibitor

#93
20090242705
2009-10-01

Hydraulic system protected from external impacts

#94
20090095365
2009-04-16

Valve block, tool attachment, a working machine and the use of a valve block

#95
20080185052
2008-08-07

SAFETY SHUT OFF VALVE FOR USE IN HYDRAULIC SYSTEM

#96
20080035215
2008-02-14

Hydraulic System Safety Shut Off Valve

#97
20080028924
2008-02-07

Hydraulic system with a cylinder isolation valve

#98
20070113891
2007-05-24

Safety shut-off device

#99
20060117944
2006-06-08

Draining of oil leak in a hydraulic cylinder

#100
20050076950
2005-04-14

Safety shut-off device

#101
20050072144
2005-04-07

Hydraulic arrangement and process for its use

#102
20050044849
2005-03-03

Hydraulic control arrangement for a mobile work machine

#103
19044871
2026-02-24

Hydraulic isolation cylinder-based system

#104
17016136
2022-02-22

Apparatus for hydraulic fluid reclamation and for cooling