ClassID:

146091

F15B15/1476 - 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; Component parts; Constructional details Special return means

Recent Application in this class:
#1
20240375296
2024-11-14

Pneumatic Linear Actuator

#2
20240288010
2024-08-29

MODE SELECTION VALVE FOR RAT RE-STOW PUMP

#3
20240159255
2024-05-16

Fluid circuit

#4
20240068491
2024-02-29

Automatic oil return structure for piston pump

#5
20240026867
2024-01-25

SERVO ARRANGEMENT

#6
20230243437
2023-08-03

Actuator assemblies and related methods for valve systems

#7
20230175415
2023-06-08

On-line verifiable trip and throttle valve actuator

#8
20210253266
2021-08-19

Manually actuated hydraulic circuit for ram air turbine (RAT) restow

#9
20210207620
2021-07-08

Valve system for pneumatic cylinders

#10
20210137548
2021-05-13

Pressurized gas engine and method of operating a pressurized gas engine

#11
20210046956
2021-02-18

Centering apparatus for hopper car doors

#12
20200346761
2020-11-05

Valve for aircraft environmental control system conduit

#13
20200263711
2020-08-20

Control unit for the pneumatic actuation of an active creel

#14
20200256479
2020-08-13

Steam valve driving apparatus

#15
20200056634
2020-02-20

Valve system for pneumatic cylinders

#16
20190331253
2019-10-31

Thermal volume control for an actuator assembly

#17
20190299174
2019-10-03

Adhesive and sealant mixers with automatic stroke length adjustment

#18
20190271337
2019-09-05

Pneumatic or hydraulic mechanism

#19
20190219075
2019-07-18

Cylinder with check valve

#20
20190162209
2019-05-30

Tensioning cylinder device

#21
20190145436
2019-05-16

Pressure-compensated load transfer device

#22
20190072117
2019-03-07

Hybrid spring for a hydraulic cylinder

#23
20190070712
2019-03-07

Cylinder vice

#24
20180195533
2018-07-12

VALVE SYSTEM FOR PNEUMATIC CYLINDERS

#25
20180180189
2018-06-28

Valve system for pneumatic cylinders

#26
20180172035
2018-06-21

Centre seeking actuator

#27
20170350426
2017-12-07

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

#28
20170314585
2017-11-02

Fluid-operated apparatus, method, and circuit

#29
20170175923
2017-06-22

HYDRAULIC ACTUATOR WITH SPRING RETURN

#30
20170138377
2017-05-18

Failsafe system and method for reducing load in a hydraulic cylinder

#31
20170009785
2017-01-12

Multi-chamber diaphragm actuator with synchronized supply system

#32
20160341225
2016-11-24

Mistake proof ram air turbine downlock protection

#33
20160052720
2016-02-25

Flow restricted positioner control apparatus and methods

#34
20160039532
2016-02-11

Remote power source pump system

#35
20150361754
2015-12-17

Shape memory alloy powered hydraulic accumulator

#36
20150354604
2015-12-10

Hydraulic adjusting device

#37
20150323092
2015-11-12

Fluid controller actuator

#38
20150275931
2015-10-01

Turbine valve actuator

#39
20150198186
2015-07-16

Inertially stable actuator with telescoping supply port

#40
20150096437
2015-04-09

Actuator for rat deployment

#41
20140373710
2014-12-25

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

#42
20140260953
2014-09-18

Spring return actuator

#43
20140250878
2014-09-11

Actuator with efficient energy accumulation

#44
20130343939
2013-12-26

Two-step hydraulic valve

#45
20130168582
2013-07-04

Valve actuator

#46
20130081383
2013-04-04

Closed-loop hydraulic system having energy recovery

#47
20120280440
2012-11-08

Log splitter hydraulic cylinder reset spring device

#48
20120168284
2012-07-05

Position control apparatus

#49
20120168283
2012-07-05

Position Control Apparatus and Methods

#50
20120112112
2012-05-10

Biasing device for use with actuators of fluid valves

#51
20120097024
2012-04-26

Double-acting hydraulic cylinder with integrated gas spring action and method for making the same

#52
20120036844
2012-02-16

PNEUMATIC SYSTEM WITH ONE OR MORE PISTON-CYLINDER ARRANGEMENTS

#53
20110314809
2011-12-29

Activated-stroke actuator, in particular for an automobile safety system for the protection of pedestrians

#54
20110247484
2011-10-13

Actuating drive for positioning a final control element and method for capturing a position of the final control element

#55
20110225961
2011-09-22

Pressurized Air-Spring Return Cylinder and Pneumatic Intensifier System

#56
20110198146
2011-08-18

Steering apparatus

#57
20110131964
2011-06-09

Shape memory alloy powered hydraulic accumulator

#58
20100327207
2010-12-30

Biasing apparatus for use with actuators

#59
20100037763
2010-02-18

Adjusting device

#60
20100018195
2010-01-28

Piece of working equipment

#61
20090288725
2009-11-26

Position control apparatus and methods

#62
20090000295
2009-01-01

Press-driven tool actuation system

#63
20080115490
2008-05-22

Hydraulic cylinder system

#64
20070283802
2007-12-13

Pneumatic System with One or More Piston-Cylinder Arrangements

#65
20070068754
2007-03-29

GAS-BIASED HYDRAULIC CYLINDER

#66
20060130554
2006-06-22

Device for applying a working power to a workpiece

#67
20060086246
2006-04-27

Actuator

#68
20060056993
2006-03-16

Magnetic spring actuator device

#69
20050166747
2005-08-04

Pneumatic apparatus for actuating a second valve device (such as a high or low-pressure valve system) useful in applications such as opening the valve of an air-powered projectile-launching machine

#70
20050047849
2005-03-03

Linear adjustment element

#71
18055244
2023-09-19

Automatic oil return structure for piston pump

#72
17728283
2023-04-04

Fail-fixed hydraulic actuator

#73
15454745
2018-11-06

Fail-safe hydraulic actuator with constant force retraction springs