ClassID:

146376

F15B2211/5157 - CPC Classification

Classification description:

Circuits for servomotor systems; Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line

Recent Application in this class:
#1
20260139694
2026-05-21

LINEAR ACTUATOR ASSEMBLY AND SYSTEM

#2
20230417323
2023-12-28

HYDRAULIC VALVE BLOCK AND HYDRAULIC UNIT FOR CLOSED CIRCUIT APPLICATIONS

#3
20220228609
2022-07-21

Power transfer unit with breakout friction reduction and leakage reduction

#4
20220163054
2022-05-26

Linear actuator assembly and system

#5
20220136535
2022-05-05

Hydraulic circuit including hydraulic decompression energy reclamation

#6
20220117161
2022-04-21

Windrower variable rate header floatation system

#7
20210317852
2021-10-14

Pneumatic Actuating Element, Exhaust Air System, Housing Having an Exhaust Air System, Pneumatic Actuator

#8
20210229962
2021-07-29

CRANE HYDRAULIC SYSTEM AND CONTROLLING METHOD OF THE SYSTEM

#9
20200347854
2020-11-05

Linear Actuator Assembly and System

#10
20200224682
2020-07-16

Linear actuator assembly and system

#11
20200088216
2020-03-19

Electrohydraulic valve normally operating in fluid flow-blocking mode and configured to operate in pressure relief mode when actuated

#12
20180372131
2018-12-27

Valve block arrangement and method for a valve block arrangement

#13
20180142710
2018-05-24

Hydraulic drive with rapid stroke and load stroke

#14
20180112467
2018-04-26

Dual pressure logic for a track drill circuit

#15
20180080507
2018-03-22

Drain valve

#16
20180031006
2018-02-01

Fluid pressure control device

#17
20170254308
2017-09-07

Hydrostatic drive

#18
20170253468
2017-09-07

Hydraulic control circuit for crane slewing gear

#19
20170146035
2017-05-25

Linear actuator assembly and system

#20
20170114807
2017-04-27

Linear actuator assembly and system

#21
20160230780
2016-08-11

Valve device and hydraulic system

#22
20160084279
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#23
20160069362
2016-03-10

Aircraft hydraulic fluid heating system and method

#24
20150369265
2015-12-24

Method and device for indication of the position of hydraulically actuated armatures

#25
20150369263
2015-12-24

Actuator unit

#26
20150330474
2015-11-19

Hydraulic system

#27
20150267589
2015-09-24

Multi-step regeneration device of DPF and regeneration method therefor

#28
20150184680
2015-07-02

Torque limit control

#29
20150168089
2015-06-18

Fluid cooler bypass system for an agricultural work vehicle

#30
20140322045
2014-10-30

Engine overload prevention using a speed differential operated relief valve

#31
20140116546
2014-05-01

Regulator valve with axial vent

#32
20120048409
2012-03-01

Hydraulic circuit for working machine

#33
20110168283
2011-07-14

Hydraulic Circuit For Working Machine

#34
20110094214
2011-04-28

High response hydraulic actuator

#35
20110061755
2011-03-17

Hydraulic circuit system for hydraulic excavator

#36
20110011356
2011-01-20

Fan Drive Controlling Device and Construction Machine

#37
20100078089
2010-04-01

Hydraulic trip unit for a valve unit in a prime mover plant, especially for a fast-acting shut-off valve of a turbine plant

#38
20080152513
2008-06-26

HYDRAULIC CIRCUIT ARRANGEMENT WITH RECOVERY OF ENERGY

#39
20070025176
2007-02-01

Batch mixer

#40
20070007039
2007-01-11

Arrangement for controlling rock drilling

#41
20060277905
2006-12-14

Hydraulic control device of industrial machinery

#42
20060236688
2006-10-26

Hydraulic circuit

#43
20060130554
2006-06-22

Device for applying a working power to a workpiece

#44
20050284144
2005-12-29

Conduit loss compensation for a distributed electrohydraulic system

#45
20050178116
2005-08-18

Hydraulic control system using load-sensing technology

#46
20050160904
2005-07-28

Anti-stall pilot pressure control system for open center systems

#47
20050138924
2005-06-30

Hydraulic drive apparatus

#48
20050129531
2005-06-16

Two-stage pressure relief valve

#49
20050035320
2005-02-17

Electromagnetic proportional flow rate control valve