ClassID:

146148

F15B20/007 - CPC Classification

Classification description:

Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems Overload

Recent Application in this class:
#1
20250230634
2025-07-17

HYDRAULIC SYSTEM IN WORK MACHINE

#2
20240426082
2024-12-26

METHOD FOR CONTROLLING A BACKHOE LOADER AND BACKHOE LOADER

#3
20240279912
2024-08-22

RELIEF SET-PRESSURE ADJUSTMENT SYSTEM

#4
20240218890
2024-07-04

RELIEF PRESSURE CONTROL DEVICE

#5
20230304262
2023-09-28

Work Machine

#6
20220373002
2022-11-24

Over-pressure protection system

#7
20220235800
2022-07-28

Rotating head with bypass circuit

#8
20220154428
2022-05-19

Hydraulic system in work machine

#9
20220145909
2022-05-12

Hydraulic power system and method for controlling same

#10
20220136532
2022-05-05

Landing gear lifting/lowering EHA system

#11
20220025912
2022-01-27

Lift arm lifting and lowering mechanism

#12
20210372439
2021-12-02

Hydraulic system having a drain bypass

#13
20200355204
2020-11-12

Over-pressure protection system

#14
20200263708
2020-08-20

Time-based power boost control system

#15
20200256479
2020-08-13

Steam valve driving apparatus

#16
20200240439
2020-07-30

Hydraulic system in work machine

#17
20200149561
2020-05-14

Hydraulic power system and method for controlling same

#18
20200132093
2020-04-30

Over-pressure protection system

#19
20200124060
2020-04-23

System for damping mass-induced vibration in machines having hydraulically controlled booms or elongate members

#20
20200040917
2020-02-06

System for controlling construction machine and method for controlling construction machine

#21
20200025223
2020-01-23

Piston assembly for rephasing a fluid-driven actuator

#22
20200003332
2020-01-02

Method of controlling a three-position slide valve

#23
20190136867
2019-05-09

Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind

#24
20190101139
2019-04-04

Hydraulic system in work machine

#25
20190071118
2019-03-07

DEVICE AND METHOD FOR MAINTAINING A PRODUCED HYDRAULIC PRESSURE

#26
20180335058
2018-11-22

Support fitting for a translation control system

#27
20180274568
2018-09-27

Actuating drive for a control valve, in particular steam turbine control valve and method for operating same

#28
20180274567
2018-09-27

Actuating drive for a control valve, in particular a steam turbine control valve, and method for operating same

#29
20180274564
2018-09-27

Hydraulic circuit for use on CVT vehicle

#30
20180230671
2018-08-16

Excavator that controls toe angle of bucket

#31
20180223878
2018-08-09

HYDRAULIC ACTUATOR, PARTICULARLY OF THE SHOCK ABSORBING AND/OR DAMPING TYPE

#32
20180180072
2018-06-28

Safe-to-operate hydraulic drive

#33
20180172177
2018-06-21

Hydraulic drive for executing a linear movement

#34
20180128288
2018-05-10

Accumulator

#35
20180066416
2018-03-08

Hydraulic Drive System for work machine

#36
20180024577
2018-01-25

Pressure-limiting valve

#37
20170227027
2017-08-10

Device for relieving pressure in hydraulics lines

#38
20170121941
2017-05-04

Safety hydraulic circuit

#39
20170009784
2017-01-12

Hydraulic control system and method

#40
20170009782
2017-01-12

Accumulator

#41
20160312806
2016-10-27

Apparatus for blocking and for adjusting a pressure

#42
20160305093
2016-10-20

Work machine

#43
20160303962
2016-10-20

Hydraulic circuit for a hybrid vehicle comprising a very high pressure circuit and safety means in case of overpressure

#44
20160265561
2016-09-15

Hydraulic drive system for construction machine

#45
20160258133
2016-09-08

Hydraulic drive system for construction machine

#46
20160221666
2016-08-04

Proximity sensor for aircraft and having a hydraulic fuse

#47
20160131023
2016-05-12

Pneumatic actuator having a pressure relief window

#48
20150377264
2015-12-31

Hydraulic system for construction machinery

#49
20150274497
2015-10-01

Industrial vehicle

#50
20150226239
2015-08-13

Pressurized gas-powered actuator and sealed piston rod therefor

#51
20150204357
2015-07-23

Accumulator

#52
20150159682
2015-06-11

HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINE

#53
20140360349
2014-12-11

Hydraulic cylinder for use for example in a hydraulic tool

#54
20140339187
2014-11-20

Support device for a vehicle

#55
20140322045
2014-10-30

Engine overload prevention using a speed differential operated relief valve

#56
20140311604
2014-10-23

Accumulator

#57
20140224368
2014-08-14

Accumulator

#58
20140060020
2014-03-06

Hydraulic control system having over-pressure protection

#59
20140010688
2014-01-09

Hydraulic circuit for controlling booms of construction equipment

#60
20130251499
2013-09-26

ENERGY EXTRACTION DEVICE AND OPERATING METHOD

#61
20130228579
2013-09-05

EXPANSION TANK WITH A PISTON

#62
20120303296
2012-11-29

Method of determining the static force developed by a servo-control

#63
20120267377
2012-10-25

Cylindrical pressure vessel having a defined leakage path

#64
20120204549
2012-08-16

CONDITIONAL LOAD SENSE CONTROL

#65
20120073678
2012-03-29

Safety valve system for overpressure protection of hydraulic circuits

#66
20120011840
2012-01-19

Hydraulic actuator with a limit force detector device

#67
20110266834
2011-11-03

Vehicle with tilt cab

#68
20110120297
2011-05-26

Hydraulic Circuit

#69
20080296522
2008-12-04

Relief pressure switching apparatus for hydraulic working machine

#70
20070025839
2007-02-01

Bearing for axially mounting a rotor of a gas turbine, and gas turbine

#71
20050129531
2005-06-16

Two-stage pressure relief valve

#72
18890698
2026-02-10

Actuator load and slew rate limiting via pressure throttling shutoff valve

#73
16878981
2021-11-02

System and method for exhausting stored energy from a pneumatic subsystem of a railcar