TREA

having a piston with a piston extension or piston recess which completely seals the main fluid outlet as the piston approaches its end position

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  • CPC
  • F15B15/223
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B15/00Fluid-actuated devices for displacing a member from one position to another Gearing associated therewith

Current Industry

F15B15/223having a piston with a piston extension or piston recess which completely seals the main fluid outlet as the piston approaches its end position
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fast acting shuttle spool valve
    • Patent number 11,953,101
    • Issue date Apr 9, 2024
    • Southwest Research Institute
    • Riccardo Meldolesi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid pressure cylinder
    • Patent number 11,493,064
    • Issue date Nov 8, 2022
    • SMC Corporation
    • Takafumi Akita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic actuator equipped with an end-of travel slowing device
    • Patent number 11,268,549
    • Issue date Mar 8, 2022
    • SAFRAN LANDING SYSTEMS
    • Jean-Baptiste Kamis
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Pneumatic cylinder and mechanical apparatus using the same
    • Patent number 11,261,886
    • Issue date Mar 1, 2022
    • KING YUAN FU PACKAGING CO., LTD.
    • Yu-Hui Chen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic actuators
    • Patent number 11,085,467
    • Issue date Aug 10, 2021
    • GOODRICH ACTUATION SYSTEMS SAS
    • Gregory Y. Meignat
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Integrated cylinder piston and bearing as a hydraulic cushion
    • Patent number 11,067,104
    • Issue date Jul 20, 2021
    • Caterpillar Inc.
    • Kurt S Goslovich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston control via adjustable rod
    • Patent number 11,053,961
    • Issue date Jul 6, 2021
    • Schlumberger Technology Corporation
    • Jonathan D. Marshall
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pneumatic cylinder
    • Patent number 10,962,030
    • Issue date Mar 30, 2021
    • DADCO, Inc.
    • Karen M. VanderWeide
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic buffer and cylinder combined with the same
    • Patent number 10,738,802
    • Issue date Aug 11, 2020
    • QINGDAO ACME INNOVATION TECHNOLOGY CO., LTD.
    • Dewei Zhu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Reciprocating piston engine
    • Patent number 10,724,372
    • Issue date Jul 28, 2020
    • Julio Chavez
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid pressure cylinder
    • Patent number 10,677,270
    • Issue date Jun 9, 2020
    • SMC Corporation
    • Yasunaga Suzuki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Sealed compressor and refrigeration device
    • Patent number 10,641,259
    • Issue date May 5, 2020
    • PANASONIC APPLIANCES REFRIGERATION DEVICES SINAPORE
    • Masanori Kobayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cushion mechanism for a hydraulic cylinder
    • Patent number 10,202,988
    • Issue date Feb 12, 2019
    • Deere & Company
    • Francois Stander
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic piston-cylinder group
    • Patent number 10,024,344
    • Issue date Jul 17, 2018
    • OGNIBENE POWER S.P.A.
    • Claudio Ognibene
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pin assembly for a piston of a hydraulic cylinder
    • Patent number 9,784,292
    • Issue date Oct 10, 2017
    • Caterpillar Inc.
    • Martin Kunigk
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic cylinder
    • Patent number 9,162,860
    • Issue date Oct 20, 2015
    • Kayaba Industry Co., Ltd.
    • Nobuhiro Nakanishi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cylinder
    • Patent number 9,103,357
    • Issue date Aug 11, 2015
    • Weibing Yang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Rodless power cylinder
    • Patent number 9,027,461
    • Issue date May 12, 2015
    • Chanto Air Hydraulics Co., Ltd.
    • Tsai-Chao Wu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Piston rod and cylinder seal device for aluminum bath crust breaker
    • Patent number 8,906,291
    • Issue date Dec 9, 2014
    • MAC Valves, Inc.
    • Gilles Beaulieu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Piston rod and cylinder seal device for aluminum bath crust breaker
    • Patent number 8,753,564
    • Issue date Jun 17, 2014
    • MAC Valves, Inc.
    • Gilles Beaulieu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pneumatic cylinder with a self-adjusting end position damping arran...
    • Patent number 8,596,431
    • Issue date Dec 3, 2013
    • Parker Origa Holding AG
    • Christian Bruder
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic actuator with end position damping
    • Patent number 8,276,841
    • Issue date Oct 2, 2012
    • Airbus Operations GmbH
    • Jens Heeren
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Gasket, cover with gasket, and pneumatic cylinder with cover and ga...
    • Patent number 8,234,970
    • Issue date Aug 7, 2012
    • Carl Freudenberg KG
    • Gonzalo Barillas
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Gasket, cover with gasket, and pneumatic cylinder with cover and ga...
    • Patent number 7,866,252
    • Issue date Jan 11, 2011
    • Carl Freudenberg KG
    • Gonzalo Barillas
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid pressure cylinder apparatus having throttle valve
    • Patent number 7,526,993
    • Issue date May 5, 2009
    • SMC Corporation
    • Akira Hiroki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Telescoping cylinder
    • Patent number 7,337,885
    • Issue date Mar 4, 2008
    • SMC Corporation of America
    • Mark Stow
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic cylinder having a snubbing valve
    • Patent number 7,121,185
    • Issue date Oct 17, 2006
    • Caterpillar Inc.
    • Mahd H. Alrefai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cylinder apparatus
    • Patent number 7,021,192
    • Issue date Apr 4, 2006
    • SMC Kabushiki Kaisha
    • Kazushi Kita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    High speed driving method and apparatus of pressure cylinder
    • Patent number 6,799,501
    • Issue date Oct 5, 2004
    • SMC Corporation
    • Seikai Yo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pressurized medium activated working cylinder
    • Patent number 6,758,127
    • Issue date Jul 6, 2004
    • IMI Norgren GmbH
    • Karl Schult
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Fast Acting Shuttle Spool Valve
    • Publication number 20230054596
    • Publication date Feb 23, 2023
    • SOUTHWEST RESEARCH INSTITUTE
    • Riccardo Meldolesi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    STROKE CUSHIONING IN PISTON AND CYLINDER DEVICES
    • Publication number 20220228640
    • Publication date Jul 21, 2022
    • Hydra Dyne Technology Inc.
    • Stephan E. BOHNER
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC ACTUATORS
    • Publication number 20210156405
    • Publication date May 27, 2021
    • Goodrich Actuation Systems SAS
    • Gregory Y. MEIGNAT
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Piston Control Via Adjustable Rod
    • Publication number 20200182271
    • Publication date Jun 11, 2020
    • Novatek IP, LLC
    • Jonathan D. Marshall
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic Cushioning Device and Cushioning Cylinder Comprising Device
    • Publication number 20190186509
    • Publication date Jun 20, 2019
    • Dewei Zhu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CUSHION MECHANISM FOR A HYDRAULIC CYLINDER
    • Publication number 20170363120
    • Publication date Dec 21, 2017
    • Deere & Company
    • Francois Stander
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    RODLESS POWER CYLINDER
    • Publication number 20140123845
    • Publication date May 8, 2014
    • CHANTO AIR HYDRAULICS CO., LTD.
    • Tsai-Chao WU
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CYLINDER
    • Publication number 20140090555
    • Publication date Apr 3, 2014
    • SHENZHEN CHINA STAR OF OPTOELECTRONICS TECHNOLOGY CO., LTD
    • Weibing Yang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CYLINDER WITH VARIABLE CUSHION ORIFICE
    • Publication number 20130228070
    • Publication date Sep 5, 2013
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Hong-Suk Kim
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PISTON ROD AND CYLINDER SEAL DEVICE FOR ALUMINUM BATH CRUST BREAKER
    • Publication number 20120312155
    • Publication date Dec 13, 2012
    • Mac Valves, Inc.
    • Gilles Beaulieu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PISTON ROD AND CYLINDER SEAL DEVICE FOR ALUMINUM BATH CRUST BREAKER
    • Publication number 20120313302
    • Publication date Dec 13, 2012
    • Mac Valves, Inc.
    • Gilles Beaulieu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FLOW CONTROL NEEDLE MICRO ADJUSTMENT ASSEMBLY
    • Publication number 20120111187
    • Publication date May 10, 2012
    • PHD, INC.
    • GLEN A. MORR
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    HYDRAULIC CYLINDER
    • Publication number 20120031262
    • Publication date Feb 9, 2012
    • Kayaba Industry Co., Ltd.
    • Nobuhiro Nakanishi
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    GASKET, COVER WITH GASKET, AND PNEUMATIC CYLINDER WITH COVER AND GA...
    • Publication number 20110074114
    • Publication date Mar 31, 2011
    • Gonzalo BARILLAS
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC ACTUATOR WITH END POSITION DAMPING
    • Publication number 20110006156
    • Publication date Jan 13, 2011
    • AIRBUS OPERATIONS GMBH
    • Jens HEEREN
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Pneumatic cylinder with a self-adjusting end position damping arran...
    • Publication number 20080289920
    • Publication date Nov 27, 2008
    • HOERBIGER-ORIGA HOLDING AG
    • Christian Bruder
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Gasket, cover with gasket, and pneumatic cylinder with cover and ga...
    • Publication number 20080122187
    • Publication date May 29, 2008
    • Carl Freudenberg KG
    • Gonzalo Barillas
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Fluid pressure cylinder apparatus having throttle valve
    • Publication number 20070017363
    • Publication date Jan 25, 2007
    • SMC Corporation
    • Akira Hiroki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Telescoping cylinder
    • Publication number 20060137946
    • Publication date Jun 29, 2006
    • Mark Stow
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic cylinder having a snubbing valve
    • Publication number 20050263001
    • Publication date Dec 1, 2005
    • Caterpillar Inc.
    • Mahd H. Alrefai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Cylinder apparatus
    • Publication number 20040237774
    • Publication date Dec 2, 2004
    • SMC Kabushiki Kaisha
    • Kazushi Kita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Pneumatic cylinder with damping in the end position
    • Publication number 20030140781
    • Publication date Jul 31, 2003
    • Johann Weiss
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    High speed driving method and apparatus of pressure cylinder
    • Publication number 20030079602
    • Publication date May 1, 2003
    • SMC Corporation
    • Seikai Yo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Variable-stroke pneumatic cylinder
    • Publication number 20030070541
    • Publication date Apr 17, 2003
    • Luciano Migliori
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic control device
    • Publication number 20030056507
    • Publication date Mar 27, 2003
    • Laurentius Andreas Gerardus Mentink
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    DOUBLE ACTING CYLINDER WITH INTEGRAL END POSITION VOLUME CHAMBERS
    • Publication number 20020184997
    • Publication date Dec 12, 2002
    • Festo Corporation
    • Michael Zona
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Workpiece high-speed pressurizing method and machanism by using cyl...
    • Publication number 20020117051
    • Publication date Aug 29, 2002
    • SMC Corporation
    • Seikai Yoh
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Pressurized medium activated working cylinder
    • Publication number 20020088343
    • Publication date Jul 11, 2002
    • IMI Norgren GmbH
    • Karl Schult
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Compact pneumatic cylinder, with cushioning device
    • Publication number 20020043152
    • Publication date Apr 18, 2002
    • Luciano Migliori
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Combination actuator with speed variable mechanism
    • Publication number 20010018859
    • Publication date Sep 6, 2001
    • SMC Corporation
    • Kenji Koiwa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL