ClassID:

146401

F15B2211/6055 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor; Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief valves

Recent Application in this class:
#1
20250067023
2025-02-27

HYDRAULIC CONTROL SYSTEM IN WORKING MACHINE

#2
20220003249
2022-01-06

Fluid control device

#3
20210332834
2021-10-28

Actuating and sensing module

#4
20210231135
2021-07-29

Electronically adjustable pressure compensated flow control with pressure limiting relief valve

#5
20200200194
2020-06-25

Downhole tractor comprising an improved hydraulic system

#6
20180347153
2018-12-06

Pressure compensation unit

#7
20180156242
2018-06-07

Hydraulic drive system for construction machine

#8
20180142445
2018-05-24

Electro-hydraulic feed delivery system

#9
20170234338
2017-08-17

Hydrostatic drive

#10
20170089038
2017-03-30

Hydraulic drive system for electrically-operated hydraulic work machine

#11
20170067226
2017-03-09

Hydraulic driving system for construction machine

#12
20150101676
2015-04-16

Valve block having a valve assembly

#13
20150013319
2015-01-15

Hydraulic load-sensing control arrangement

#14
20130153043
2013-06-20

FLOW FORCE-COMPENSATING VALVE ELEMENT WITH LOAD CHECK

#15
20130139918
2013-06-06

Hydraulic system and hydraulic distributor for the actuating working machines

#16
20110252778
2011-10-20

Hydraulic system

#17
20100300086
2010-12-02

HYDRAULIC CONTROL ARRANGEMENT AND DISTRIBUTION VALVE SECTION

#18
20100018198
2010-01-28

Valve arrangement

#19
20090266070
2009-10-29

Post-pressure compensated hydraulic control valve with load sense pressure limiting

#20
20090094972
2009-04-16

Hydraulic control assembly

#21
20090050222
2009-02-26

Three-way poppet valve with intermediate pilot port

#22
20070235078
2007-10-11

Hydraulic supply systems

#23
20070137192
2007-06-21

Circuit arrangement

#24
20060207248
2006-09-21

Hydraulic circuit of construction machinery

#25
20060156914
2006-07-20

Hydraulic control

#26
20060011360
2006-01-19

Monitoring valve, rock drilling apparatus and a method for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus

#27
20050178116
2005-08-18

Hydraulic control system using load-sensing technology

#28
20050118036
2005-06-02

Regulatory device comprising a threshold valve control valve

#29
20050098030
2005-05-12

Hydrostatic drive system with a safety device

#30
20050072145
2005-04-07

Power conserving hydraulic pump bypass compensator circuit