ClassID:

146086

F15B15/1452 - 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; Pistons; Piston to piston rod assemblies Piston sealings

Recent Application in this class:
#1
20260132804
2026-05-14

HYDRAULIC POWER TOOL WITH PISTON SEALS

#2
20260104063
2026-04-16

RETRACTION MECHANISM AND DIMENSION-MEASURING DEVICE PROVIDED WITH SAME

#3
20250376994
2025-12-11

INTERNAL FLOATING PISTON

#4
20250137473
2025-05-01

WORKING CYLINDER WITH PRESSURE MEDIUM OVERFLOW

#5
20250122895
2025-04-17

Hydraulic Cylinder with Inflatable Seals

#6
20250084876
2025-03-13

INTERNAL FLOATING PISTON

#7
20250043807
2025-02-06

HYDRAULIC CYLINDER BUFFER SEAL BACKUP RING

#8
20250042383
2025-02-06

HYDRAULIC MODULE, IN PARTICULAR FOR GENERATING PRESSURE AND/OR CONTROLLING PRESSURE IN A SLIP-CONTROLLABLE BRAKE SYSTEM OF A MOTOR VEHICLE, AND MOUNTING METHOD FOR A HYDRAULIC MODULE

#9
20240376914
2024-11-14

Cylinder Leak Control Device

#10
20240369138
2024-11-07

A SEALING SET

#11
20240369118
2024-11-07

CONSTANT PRESSURE GENERATING SYSTEM

#12
20240218889
2024-07-04

Fluid pressure cylinder

#13
20240123958
2024-04-18

MASTER PISTON FOR A HYDRAULIC VEHICLE BRAKE

#14
20240035496
2024-02-01

Piston unit of a working cylinder

#15
20240026907
2024-01-25

Dynamic seal assembly with a valve and a diaphragm function

#16
20230392617
2023-12-07

Working cylinder with end position damping, and damping piston ring

#17
20230366466
2023-11-16

Hydraulic cylinder sealing arrangement

#18
20230366415
2023-11-16

Hydraulic cylinder buffer seal backup ring

#19
20230358256
2023-11-09

Oil Leak Mitigation for Hydraulic Systems

#20
20230296117
2023-09-21

Seal groove cooling flow

#21
20230204053
2023-06-29

Piston Ring Seal with Reduced Stiction

#22
20230160401
2023-05-25

ACTUATOR WITH INTEGRATED COOLING

#23
20230122544
2023-04-20

Method for repairing a piston-cylinder unit within a working machine

#24
20230011362
2023-01-12

Working cylinder with cushioned end-stroke

#25
20230003303
2023-01-05

Abradable seal

#26
20220397132
2022-12-15

Piston and a fluid-actuated working cylinder provided therewith

#27
20220371167
2022-11-24

Working cylinder for power tool with piston lubricating system

#28
20220128068
2022-04-28

Actuator assembly

#29
20210348656
2021-11-11

CLUTCH PISTON

#30
20210231136
2021-07-29

Hydraulic assembly

#31
20210102559
2021-04-08

Actuating piston and adjustment installation

#32
20210007817
2021-01-14

Fluid powered master-slave actuation for MRI-guided interventions

#33
20210003152
2021-01-07

SEAL STRUCTURE IN HYDRAULIC CYLINDER, AND SAID HYDRAULIC CYLINDER

#34
20200367843
2020-11-26

Pressure regulator for X-ray apparatus

#35
20200182271
2020-06-11

Piston control via adjustable rod

#36
20200173554
2020-06-04

Hydraulic device comprising a segment having at least one through-hole configured to promote the rotation of said segment

#37
20200149653
2020-05-14

Actuator and valve device

#38
20200122308
2020-04-23

Working cylinder for power tool with piston lubricating system

#39
20200116166
2020-04-16

Hydraulic pressure booster and method for the production of an axial compressive stress in a high-pressure cylinder

#40
20200088301
2020-03-19

ABRADABLE SEAL

#41
20200072252
2020-03-05

Method for repairing a piston-cylinder unit within a working machine

#42
20200040905
2020-02-06

Hydraulic rotary feed-through

#43
20190383311
2019-12-19

Eccentric member support that includes a piston with an expanding ring to increase friction against a cylinder wall

#44
20190353186
2019-11-21

Apparatus for supporting an explosive device

#45
20190291704
2019-09-26

Master brake cylinder, braking system

#46
20190271337
2019-09-05

Pneumatic or hydraulic mechanism

#47
20190226505
2019-07-25

HYDROSTATIC ACTUATOR WITH A SPLIT DYNAMIC SEAL PORTION

#48
20190218884
2019-07-18

Redundant balance line operating system

#49
20190170168
2019-06-06

Method for producing piston assembly and hydraulic fluid device

#50
20190154151
2019-05-23

Sealing structure

#51
20190078591
2019-03-14

Stamp-sealing unit and ultrasonic processing device comprising same

#52
20180252316
2018-09-06

Pistons

#53
20180195535
2018-07-12

Linear actuator

#54
20180163371
2018-06-14

Actuator

#55
20180149176
2018-05-31

Hydraulic cylinder

#56
20180094653
2018-04-05

Position dependent valve device for control cylinder

#57
20180017160
2018-01-18

SEALING DEVICE

#58
20170356547
2017-12-14

Piston ring assembly

#59
20170327147
2017-11-16

Steering System for a Trailing Axle of a Vehicle

#60
20170298931
2017-10-19

Fluidic cylinder

#61
20170159821
2017-06-08

Sealing arrangement with pressure-activatable pretensioning element

#62
20170159740
2017-06-08

Seal arrangement with damping element

#63
20170114921
2017-04-27

Plastic injection mold—SVG actuator—internal seal upgrade

#64
20170102012
2017-04-13

Hybrid metallic/composite piston head joint

#65
20170037880
2017-02-09

Hydraulic cylinder, particularly slave cylinder for a hydraulic clutch actuating system for motor vehicles

#66
20170023029
2017-01-26

Cylinder and adsorption separation device using the cylinder

#67
20160377079
2016-12-29

Hydraulic machine

#68
20160369894
2016-12-22

Piston ring sealing for pneumatic actuator

#69
20160341628
2016-11-24

Method for monitoring health of a seal

#70
20160341318
2016-11-24

Abradable seal

#71
20160332725
2016-11-17

Aircraft landing gear with orientable lower part

#72
20160222993
2016-08-04

Composite actuator piston head assembly

#73
20160160892
2016-06-09

Piston and piston-equipped assembly for a hydraulic unit or a piston-cylinder device of a vehicle braking system

#74
20160153479
2016-06-02

Hydraulic adjusting device

#75
20160033041
2016-02-04

Pistons

#76
20150330420
2015-11-19

Hydraulic piston-cylinder group

#77
20150298796
2015-10-22

Aircraft hydraulic system comprising at least one servo-control, and an associated rotor and aircraft

#78
20150247514
2015-09-03

CYLINDER DEVICE

#79
20150226239
2015-08-13

Pressurized gas-powered actuator and sealed piston rod therefor

#80
20150159681
2015-06-11

Fluid pressure actuator

#81
20140265150
2014-09-18

Pistons

#82
20140096676
2014-04-10

Cylindrical liner for piston actuator

#83
20140076157
2014-03-20

Piston assembly, fluid pressure cylinder, method for manufacturing piston assembly

#84
20130145755
2013-06-13

Device for compacting a granular mass such as concrete cement

#85
20130139508
2013-06-06

Triggered-stroke actuator fitted with a gas evacuation device

#86
20130113165
2013-05-09

Piston bearing structure for fluid pressure cylinder

#87
20120304855
2012-12-06

Fluid pressure cylinder

#88
20120304851
2012-12-06

HYDRAULIC CYLINDER WITH AN O-RING SEAL OF VARIABLE GEOMETRY

#89
20120216673
2012-08-30

Coiled Felt Seal (CFS) Sealed Piston of Hydraulic Cylinder

#90
20120161400
2012-06-28

Bi-directional clip seal piston

#91
20120151911
2012-06-21

COMBINATION OF A CHAMBER AND A PISTON, A PUMP, A MOTOR, A SHOCK ABSORBER AND A TRANSDUCER INCORPORATING THE COMBINATION

#92
20120138416
2012-06-07

Method and device for sealing different oil environments

#93
20120080854
2012-04-05

Seal assembly

#94
20110285095
2011-11-24

Fluid pressure apparatus

#95
20110283883
2011-11-24

Fluid pressure apparatus

#96
20110232479
2011-09-29

Piston with a duct under a gasket

#97
20110150373
2011-06-23

Fluid servo and applications

#98
20110072963
2011-03-31

Device for Sealing a Hydraulic Piston

#99
20110049811
2011-03-03

Liquid-operated cylinder

#100
20100314838
2010-12-16

SEAL ASSEMBLY

#101
20100247357
2010-09-30

Device comprising a combination of a chamber and a piston

#102
20100170391
2010-07-08

Combination of a chamber and a piston, a pump, a motor, a shock absorber and transducer incorporating the combination

#103
20100155172
2010-06-24

HYDRAULIC POWER STEERING APPARATUS

#104
20100084820
2010-04-08

Sealing device and production method thereof

#105
20100070096
2010-03-18

Device and piston for segregating articles

#106
20100025937
2010-02-04

Sealing device

#107
20080289489
2008-11-27

Composite Piston Unit and Automatic Vehicle Transmission

#108
20080098884
2008-05-01

Fluidic actuator for application inside turbomachinery

#109
20080083324
2008-04-10

Adjustment element with a cylinder

#110
20080067753
2008-03-20

Seal assembly

#111
20080053306
2008-03-06

Fluid cylinder for high temperature applications

#112
20080028923
2008-02-07

HYDRAULIC STROKING DEVICE, PLANETARY GEAR AUTOMATIC TRANSMISSION, AND CLUTCH APPARATUS

#113
20080006147
2008-01-10

Device comprising a combination of a chamber and a piston

#114
20080006114
2008-01-10

Hydraulic actuating device for actuating a shift rod in particular of a gearbox for motor vehicles

#115
20070278749
2007-12-06

U-PACKING AND FLUID PRESSURE SINGLE ACTING CYLINDER

#116
20070213172
2007-09-13

Hydraulic linear drive, particularly a hydraulic transmission actuator

#117
20060272498
2006-12-07

Hydraulic cylinder unit

#118
20060032370
2006-02-16

Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination

#119
20050274919
2005-12-15

Actuator

#120
20050212218
2005-09-29

Cover seals with latching locking features

#121
20050204913
2005-09-22

Free piston device with time varying clearance seal

#122
15253451
2017-11-14

Tensioner cylinder with internal gas bladder in high pressure chamber