ClassID:

146077

F15B15/1409 - CPC Classification

Classification description:

Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith; Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons

Recent Application in this class:
#1
20260079063
2026-03-19

SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES

#2
20250346368
2025-11-13

LINEAR ACTUATING DEVICE AND ASSOCIATED AIRCRAFT ROTOR TEST BENCH

#3
20240410345
2024-12-12

PISTON IN PISTON VARIABLE DISPLACEMENT HYDRAULIC DEVICE

#4
20240295228
2024-09-05

Valve Manifold, Valve and Actuator Assembly

#5
20240141930
2024-05-02

LOG SPLITTING MACHINE

#6
20240125666
2024-04-18

SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES

#7
20230304515
2023-09-28

Three-position pneumatic or hydraulic power cylinder

#8
20230243437
2023-08-03

Actuator assemblies and related methods for valve systems

#9
20230235757
2023-07-27

Radial piston hydraulic device distributing flow by pilot operated check valves and operating method thereof

#10
20230202372
2023-06-29

HYDRAULIC CYLINDER ASSEMBLY FOR DUMP TRAILERS

#11
20230175415
2023-06-08

On-line verifiable trip and throttle valve actuator

#12
20230150351
2023-05-18

Self-propelled construction machine and method for controlling a self-propelled construction machine

#13
20220412378
2022-12-29

Medical-robot pneumatic drive mechanism

#14
20220381264
2022-12-01

Valve manifold, valve and actuator assembly

#15
20220258444
2022-08-18

Piston-cylinder assembly of a hydraulic press

#16
20220163055
2022-05-26

Valve structure for driving reversible ploughs

#17
20220049725
2022-02-17

FLUID PRESSURE CYLINDER

#18
20210395062
2021-12-23

Forklift truck

#19
20210381533
2021-12-09

Multirod fluid actuator arrangement

#20
20210324882
2021-10-21

ROD-LESS CYLINDER WITH TWO PISTONS

#21
20210323372
2021-10-21

Dual Hydraulic Stabilizer Control Apparatus

#22
20210302259
2021-09-30

Systems and methods for control and monitoring of actuated valves

#23
20210207626
2021-07-08

Intrascopic hydraulic cylinder

#24
20210190098
2021-06-24

Cylinder device

#25
20210188078
2021-06-24

Self-propelled construction machine and method for controlling a self-propelled construction machine

#26
20210164499
2021-06-03

Cylinder device

#27
20210040852
2021-02-11

Cylinder actuator

#28
20200318660
2020-10-08

Pressure differential engine

#29
20200283111
2020-09-10

Piston structure body and lifting device of watercraft propulsion apparatus

#30
20200224683
2020-07-16

Hydraulic Actuator

#31
20200141430
2020-05-07

Hydraulic lifting column

#32
20200088221
2020-03-19

Continuously variable output liquid chromatography pump drive

#33
20200088220
2020-03-19

Variable output liquid chromatography pump drive

#34
20200080541
2020-03-12

Method and system for harnessing wind energy using a tethered airfoil

#35
20200047874
2020-02-13

Hydraulic droop control for aircraft wing

#36
20200010181
2020-01-09

Aircraft landing gear steering systems and methods with enhanced shimmy protection

#37
20190367144
2019-12-05

Outboard motor raising/lowering device

#38
20190353186
2019-11-21

Apparatus for supporting an explosive device

#39
20190338791
2019-11-07

Hydraulic machine

#40
20190291838
2019-09-26

Outboard motor raising/lowering device

#41
20190264713
2019-08-29

System for controlling compressor

#42
20190233036
2019-08-01

Multi-stage shift pack assembly and method

#43
20190226937
2019-07-25

Systems and methods for control and monitoring of actuated valves

#44
20190154009
2019-05-23

RECIRCULATING GRADIENT POWER SYSTEM

#45
20190024680
2019-01-24

Double-acting cylinder

#46
20180355999
2018-12-13

Multi-position rotary actuator controlled by a fluid

#47
20180318901
2018-11-08

Actuator device

#48
20180292021
2018-10-11

Multifunctional sanitary valve and method of operating such

#49
20180264603
2018-09-20

Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece

#50
20180245712
2018-08-30

Setup of valve controller

#51
20180213723
2018-08-02

Agricultural machine lifting unit

#52
20180156249
2018-06-07

Cylinder device

#53
20180156246
2018-06-07

PNEUMATIC ACTUATORS FOR SEVERABLE LINKAGE ASSEMBLIES

#54
20180100588
2018-04-12

Dual parallel hydraulic actuator

#55
20180064241
2018-03-08

Lifting device for lifting a table

#56
20180038314
2018-02-08

Coupling

#57
20180031011
2018-02-01

Fluid pressure cylinder with boosting mechanism

#58
20180003201
2018-01-04

Servo with increased release force

#59
20170350426
2017-12-07

Hydraulic actuating drive having a spring for transferring into an emergency position

#60
20170328354
2017-11-16

RECIRCULATING GRADIENT POWER SYSTEM

#61
20170314584
2017-11-02

Actuator assembly for conducting partial stroke testing

#62
20170314581
2017-11-02

Fluid actuator arrangement

#63
20170268562
2017-09-21

Variable compression ratio apparatus

#64
20170152015
2017-06-01

Dual-purpose locking and folding arrangement for an aircraft wing tip device

#65
20160305456
2016-10-20

Hydraulic actuator and method of producing the same

#66
20160245312
2016-08-25

Pneumatic actuation system and method

#67
20160178083
2016-06-23

Fluid-operated drive

#68
20160153478
2016-06-02

Mobile hydraulic tool

#69
20160076561
2016-03-17

Actuator

#70
20150354604
2015-12-10

Hydraulic adjusting device

#71
20150330419
2015-11-19

COMPRESSED AIR ENERGY STORAGE SYSTEM

#72
20150330418
2015-11-19

3-position operating actuator and permanent-magnet eddy-current deceleration device

#73
20150247512
2015-09-03

Cylinder device with force multiplication mechanism

#74
20150128798
2015-05-14

Bicycle hydraulic actuating device

#75
20150000516
2015-01-01

Cylinder device with force multiplier

#76
20140373710
2014-12-25

Four-chamber cylinder for a hydraulic actuating device with emergency function and hydraulic actuating device having this

#77
20140366716
2014-12-18

Fluid pressure cylinder

#78
20140260953
2014-09-18

Spring return actuator

#79
20140191456
2014-07-10

Actuator and clamp device using same

#80
20140109759
2014-04-24

Cylinder device with force multiplier

#81
20140084905
2014-03-27

Method of robust position measurement

#82
20140033652
2014-02-06

Clipping module drive device

#83
20140007739
2014-01-09

Drive device for a self-propelled machine and corresponding method

#84
20130340420
2013-12-26

SYSTEMS AND METHODS FOR OPTIMIZING THERMAL EFFICIENCY OF A COMPRESSED AIR ENERGY STORAGE SYSTEM

#85
20130312398
2013-11-28

Multiple-staged fluid operated actuator

#86
20130047839
2013-02-28

Activation unit with an actuator

#87
20120240565
2012-09-27

SHIFT CYLINDER, DRIVE DEVICE, WORK MACHINE AS WELL AS METHOD FOR OPERATING A WORK MACHINE

#88
20120090459
2012-04-19

Floating piston actuator for operation with multiple hydraulic systems

#89
20120057997
2012-03-08

Systems and methods for optimizing thermal efficiency of a compressed air energy storage system

#90
20120055145
2012-03-08

Systems and methods for optimizing thermal efficiencey of a compressed air energy storage system

#91
20110162719
2011-07-07

Suspension of a measurement wheel using a shock-absorbing double-action hydraulic cylinder

#92
20110155937
2011-06-30

Apparatus to increase a force of an actuator having an override apparatus

#93
20110120120
2011-05-26

Positioner apparatus and methods

#94
20110048222
2011-03-03

Piston actuator assembly

#95
20110030547
2011-02-10

Fluid driven reciprocating linear motor

#96
20110023702
2011-02-03

Pneumatic cylinder

#97
20110005385
2011-01-13

TWO PORT - THREE POSITION ACTUATOR

#98
20100263370
2010-10-21

MULTI-STAGE TURBOCHARGER REGULATION APPARATUS

#99
20100213246
2010-08-26

Low impact spot welding cylinder using single or double piston

#100
20100138051
2010-06-03

METHOD AND ARRANGEMENT FOR ACTUATION

#101
20090211435
2009-08-27

Method and device for suppressing vibration of boom of concrete pump truck

#102
20090049692
2009-02-26

Integrated breakaway cylinder and method for constructing a boom assembly

#103
20080257691
2008-10-23

Linear hydraulic motor and reciprocating floor conveyor

#104
20070221054
2007-09-27

Fluid actuator with limit sensors and fluid limit valves

#105
20070125225
2007-06-07

CIRCUIT FOR ENABLING OR DISABLING HYDRAULIC ACTUATING DEVICES

#106
20060266003
2006-11-30

Beverage bottling plant for filling bottles with a liquid beverage filling material having a filling machine with a filling control element

#107
20060260463
2006-11-23

Linear hydraulic motor and a reciprocating floor conveyor

#108
20060137946
2006-06-29

Telescoping cylinder

#109
20060124607
2006-06-15

Low impact spot welding cylinder using single piston

#110
20060124606
2006-06-15

Low impact spot welding cylinder using dual pistons

#111
20060054016
2006-03-16

Linear actuator

#112
18536668
2024-05-28

Piston in piston variable displacement hydraulic device

#113
18181448
2024-02-13

System for a bent axis motor