Patents-Review.com
ClassID:

145921 ⎘

F15B11/02 - CPC Classification

Classification description:

Servomotor systems without provision for follow-up action; Circuits therefor Systems essentially incorporating special features for controlling the speed or actuating force of an output member

Sub-classes:
Recent Application in this class:
#1
20260085704
2026-03-26

FLUID EXCHANGE DEVICES AND RELATED CONTROLS, SYSTEMS, AND METHODS

 #2
20250198428
2025-06-19

HYDRAULIC DRIVE DEVICE

 #3
20240401614
2024-12-05

Hydraulic Drive System Having a 2X2Q Pump Unit

 #4
20240344297
2024-10-17

Work Machine

 #5
20240287763
2024-08-29

Work Machine

 #6
20240200454
2024-06-20

HYDRAULIC CONTROL CIRCUIT FOR A HYDRAULIC MOTOR

 #7
20230383769
2023-11-30

Variable Relief Circuit

 #8
20230258202
2023-08-17

Fluid exchange devices and related controls, systems, and methods

 #9
20230183946
2023-06-15

Hydraulic excavator drive system

 #10
20230049890
2023-02-16

Hydraulic pump system and control device

 #11
20220154736
2022-05-19

FLUID EXCHANGE DEVICES AND RELATED CONTROLS, SYSTEMS, AND METHODS

 #12
20220106770
2022-04-07

HYDRAULIC-PUMP FLOW-RATE CALIBRATION SYSTEM

 #13
20220098825
2022-03-31

Turn-driving apparatus for work machine

 #14
20220002974
2022-01-06

Shovel and information processing device

 #15
20210180617
2021-06-17

Fluid exchange devices and related controls, systems, and methods

 #16
20200362538
2020-11-19

Slewing-type work machine

 #17
20200354926
2020-11-12

Slewing hydraulic work machine

 #18
20200307367
2020-10-01

Work machine and method of controlling work machine

 #19
20200263392
2020-08-20

Vibration suppression control circuit

 #20
20200248721
2020-08-06

Hydraulic system

 #21
20200217046
2020-07-09

Hydraulic drive system of construction machine

 #22
20200208379
2020-07-02

Hydraulic drive device for industrial vehicle

 #23
20200140238
2020-05-07

Container spreader for linking a container with a hoisting installation

 #24
20200115887
2020-04-16

Construction machine

 #25
20200096022
2020-03-26

Hydraulic fluid pressure compensator unit with integrated load sense and reverse flow checks

 #26
20200047832
2020-02-13

System for assisting the driving of a vehicle comprising an open hydraulic circuit

 #27
20190352884
2019-11-21

Construction machine

 #28
20190345691
2019-11-14

Hydraulic drive control

 #29
20190301445
2019-10-03

Pump device

 #30
20190285094
2019-09-19

Hydraulic drive with fast stroke and load stroke

 #31
20190271333
2019-09-05

Hydraulic excavator drive system

 #32
20190257304
2019-08-22

Hydraulic drive system of construction machine

 #33
20190249396
2019-08-15

Hydraulic drive device for work vehicle

 #34
20190194908
2019-06-27

Construction machine

 #35
20190177953
2019-06-13

Hydraulic drive system of work machine

 #36
20190169819
2019-06-06

Shovel and control valve for shovel

 #37
20190169817
2019-06-06

Work vehicle

 #38
20190136851
2019-05-09

PUMP DEVICE

 #39
20190119884
2019-04-25

Working machine

 #40
20190078594
2019-03-14

Construction machine

 #41
20190032683
2019-01-31

Generating two pneumatic signals to operate an actuator on a valve assembly

 #42
20180283410
2018-10-04

FLUID PRESSURE CONTROL CIRCUIT AND FLUID PRESSURE CONTROL DEVICE

 #43
20180245312
2018-08-30

Work machine hydraulic drive device

 #44
20180216637
2018-08-02

Control system, work machine, and control method

 #45
20180106277
2018-04-19

Valve device and fluid pressure control device

 #46
20180073525
2018-03-15

Hydraulic control system for working machine

 #47
20180044143
2018-02-15

Actuator control device and work vehicle

 #48
20180002898
2018-01-04

Hydraulic control system

 #49
20180002897
2018-01-04

Hydraulic circuit for construction machine

 #50
20170356476
2017-12-14

ELECTRO HYDROSTATIC ACTUATORS

 #51
20170314233
2017-11-02

CONTROL SYSTEM OF HYBRID CONSTRUCTION MACHINE

 #52
20170306590
2017-10-26

Hydraulic drive system of construction machine

 #53
20170292539
2017-10-12

Hydraulic vehicle incorporating efficient energy storage and regeneration system

 #54
20170241105
2017-08-24

Working machine

 #55
20170191506
2017-07-06

System for controlling the supply of hydraulic fluid to a work vehicle implement

 #56
20170074292
2017-03-16

Fluid pressure control device for construction machine

 #57
20160145836
2016-05-26

Working vehicle and control method therefor

 #58
20160084272
2016-03-24

Pump authority switching apparatus for a fluid distribution system

 #59
20150330059
2015-11-19

Liquid-pressure drive system and construction machine including same

 #60
20150322974
2015-11-12

DRIVING CONTROL DEVICE OF CONSTRUCTION MACHINE

 #61
20150292181
2015-10-15

Hydrostatic Drive

 #62
20150240841
2015-08-27

Pressure switch for oil supply

 #63
20150176612
2015-06-25

Double hydraulic valve of a servo-control for feathering the blades of a rotorcraft rotor

 #64
20150059332
2015-03-05

Hydraulic circuit for construction machine

 #65
20150059326
2015-03-05

INTERNALLY DRAINED HYDRAULIC MOTOR

 #66
20150033726
2015-02-05

Control system for a hybrid construction machine

 #67
20150013324
2015-01-15

Forklift hydraulic control apparatus

 #68
20140123847
2014-05-08

Hydraulic excavator

 #69
20130013159
2013-01-10

ACTUATOR CONTROL DEVICE AND WORKING MACHINE EQUIPPED WITH SAME

 #70
20090001300
2009-01-01

Directional control valve device and fluid pressure cylinder device

 #71
20080296522
2008-12-04

Relief pressure switching apparatus for hydraulic working machine

 #72
20070102223
2007-05-10

Hydraulic power unit