Patents-Review.com
ClassID:

146364 ⎘

F15B2211/50581 - CPC Classification

Classification description:

Circuits for servomotor systems; Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves

Sub-classes:
Recent Application in this class:
#1
20230258206
2023-08-17

Hydraulic Regeneration Circuit with Multiple Speeds

 #2
20220290407
2022-09-15

Hydraulic system, mining machine and method of controlling hydraulic actuator

 #3
20220034067
2022-02-03

Hydraulic driving apparatus

 #4
20210332899
2021-10-28

Vented counterbalance valve with two setting springs in parallel

 #5
20200124060
2020-04-23

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

 #6
20190203746
2019-07-04

System for recovering energy from a hydraulic actuator

 #7
20190169009
2019-06-06

Power lift

 #8
20190136875
2019-05-09

Hydraulic circuit for travel motor

 #9
20190101138
2019-04-04

Hydraulic system for working machine

 #10
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

 #11
20180142445
2018-05-24

Electro-hydraulic feed delivery system

 #12
20170227025
2017-08-10

Hydraulic drive device with load-dependent pressure distributor

 #13
20160186787
2016-06-30

Forestry grapple with high pressure protection system

 #14
20150075640
2015-03-19

Pneumatic valve assembly and method

 #15
20150030424
2015-01-29

Intelligent boom control hydraulic system

 #16
20120299310
2012-11-29

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

 #17
20120279209
2012-11-08

Systems and methods for energy storage and recovery using compressed gas

 #18
20120006013
2012-01-12

High-efficiency energy-conversion based on fluid expansion and compression

 #19
20120000557
2012-01-05

Systems and methods for reducing dead volume in compressed-gas energy storage systems

 #20
20110314803
2011-12-29

Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange

 #21
20110296823
2011-12-08

Systems and methods for energy storage and recovery using gas expansion and compression

 #22
20110219760
2011-09-15

Systems and methods for energy storage and recovery using compressed gas

 #23
20110167813
2011-07-14

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

 #24
20110056193
2011-03-10

Systems and methods for energy storage and recovery using compressed gas

 #25
20110023477
2011-02-03

Hydrostatic circuit lock valve components, circuits, systems, and method

 #26
20100319337
2010-12-23

HYDROSTATIC DRIVE SYSTEM

 #27
20100139277
2010-06-10

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

 #28
20100089063
2010-04-15

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

 #29
20090282822
2009-11-19

Systems and methods for energy storage and recovery using compressed gas

 #30
20090100829
2009-04-23

Hydraulic catapult drive

 #31
20080034957
2008-02-14

Hydraulic Actuator Control Circuit With Pressure Operated Counterbalancing Valves

 #32
20070022750
2007-02-01

Hydraulic arrangement

 #33
20070017364
2007-01-25

Hydraulic control unit for the arms of a grip and grip including said hydraulic unit

 #34
20060156914
2006-07-20

Hydraulic control

 #35
20060130554
2006-06-22

Device for applying a working power to a workpiece

 #36
20060108185
2006-05-25

Hydraulic system

 #37
20060032222
2006-02-16

Forestry machine with hydraulic system and method for rotor braking

 #38
20060016327
2006-01-26

Variable regeneration valve of heavy equipment

 #39
20050254933
2005-11-17

Apparatus driven by a pressurized medium