of differential-piston type

Patents Grantslast 30 patents

  • Information Patent Grant

    Impact-resistant balanced hydro-cylinder with pressure relief and b...

    • Patent number 11,913,479
    • Issue date Feb 27, 2024
    • SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    • Lirong Wan
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressurized gas engine and method of operating a pressurized gas en...

    • Patent number 11,751,885
    • Issue date Sep 12, 2023
    • Heraeus Medical GmbH
    • Sebastian Vogt
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Multiport pumps with multi-functional flow paths

    • Patent number 11,614,099
    • Issue date Mar 28, 2023
    • AOI (Advanced Oilfield Innovations, Inc.)
    • Daniel Maurice Lerner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Prime mover system and methods utilizing balanced flow within bi-di...

    • Patent number 11,326,626
    • Issue date May 10, 2022
    • AOI
    • Daniel Maurice Lerner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • 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

    Device and method for ring gate closing optimization

    • Patent number 11,187,251
    • Issue date Nov 30, 2021
    • Philippe Girin
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Piston assembly having reduced extend force and reduced displacemen...

    • Patent number 11,111,936
    • Issue date Sep 7, 2021
    • Roller Bearing Company of America, Inc.
    • Mark Alger
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure-compensated load transfer device

    • Patent number 10,982,695
    • Issue date Apr 20, 2021
    • Kepco Nuclear Fuel Co., Ltd.
    • Kyoung-hong Kim
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Prime mover system and methods utilizing balanced flow within bi-di...

    • Patent number 10,871,174
    • Issue date Dec 22, 2020
    • AOl
    • Daniel Maurice Lerner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Automatic transmission

    • Patent number 10,746,234
    • Issue date Aug 18, 2020
    • Mazda Motor Corporation
    • Yutaro Fukuda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Prime mover system and methods utilizing balanced flow within bi-di...

    • Patent number 10,598,193
    • Issue date Mar 24, 2020
    • AOI
    • Daniel Maurice Lerner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cylinder and adsorption separation device using the cylinder

    • Patent number 10,323,661
    • Issue date Jun 18, 2019
    • Shenzhen Biteman Science & Technology Co., Ltd.
    • Yinghui Guo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid pressure cylinder

    • Patent number 10,041,514
    • Issue date Aug 7, 2018
    • SMC Kabushiki Kaisha
    • Youji Takakuwa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Travel end expansion valve for piston type pressure converter

    • Patent number 9,856,891
    • Issue date Jan 2, 2018
    • Vianney Rabhi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fail-safe actuation system

    • Patent number 9,850,916
    • Issue date Dec 26, 2017
    • MOOG GmbH
    • Achim Helbig
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Actuator unit

    • Patent number 9,677,579
    • Issue date Jun 13, 2017
    • KYB Corporation
    • Takayuki Ogawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fail-safe actuation system

    • Patent number 9,239,064
    • Issue date Jan 19, 2016
    • MOOG GmbH
    • Achim Helbig
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Electrohydraulic actuator

    • Patent number 6,796,120
    • Issue date Sep 28, 2004
    • SNECMA Moteurs
    • Michel Franchet
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Pneumatic actuator

    • Patent number 6,708,489
    • Issue date Mar 23, 2004
    • Parker & Harper Companies, Inc.
    • Roger Massey
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Steering apparatus

    • Patent number 6,253,657
    • Issue date Jul 3, 2001
    • TRW Inc.
    • Mark A. Cartwright
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hybrid electric/hydraulic drive system

    • Patent number 6,126,401
    • Issue date Oct 3, 2000
    • Computer Graphics Systems Development Corporation
    • Roy Westlake Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3853368

    • Patent number 3,853,368
    • Issue date Dec 10, 1974
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3831379

    • Patent number 3,831,379
    • Issue date Aug 27, 1974
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3757640

    • Patent number 3,757,640
    • Issue date Sep 11, 1973
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3465648

    • Patent number 3,465,648
    • Issue date Sep 9, 1969
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3401604

    • Patent number 3,401,604
    • Issue date Sep 17, 1968
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3272091

    • Patent number 3,272,091
    • Issue date Sep 13, 1966
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2981232

    • Patent number 2,981,232
    • Issue date Apr 25, 1961
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2894743

    • Patent number 2,894,743
    • Issue date Jul 14, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2731796

    • Patent number 2,731,796
    • Issue date Jan 24, 1956
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    IMPACT-RESISTANT BALANCED HYDRO-CYLINDER WITH PRESSURE RELIEF AND B...

    • Publication number 20220412380
    • Publication date Dec 29, 2022
    • SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    • Lirong WAN
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WORKING CYLINDER

    • Publication number 20220397130
    • Publication date Dec 15, 2022
    • Josef Bueter
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Device and Method for Ring Gate Closing Optimization

    • Publication number 20200386247
    • Publication date Dec 10, 2020
    • GE Renewable Technologies
    • Philippe Girin
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PRESSURE DIFFERENTIAL ENGINE

    • Publication number 20200318660
    • Publication date Oct 8, 2020
    • THE CENTRIPETAL ENERGY COMPANY II
    • Raymond Howard Baker
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Prime Mover System and Methods Utilizing Balanced Flow within Bi-Di...

    • Publication number 20200277972
    • Publication date Sep 3, 2020
    • AOI (DBA A.O. International II, Inc)
    • Daniel Maurice Lerner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Multiport Pumps with Multi-Functional Flow Paths

    • Publication number 20200158142
    • Publication date May 21, 2020
    • AOI (Advanced Oilfield Innovations, Inc, DBA A.O.
    • Daniel Maurice Lerner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Prime Mover System and Methods Utilizing Balanced Flow within Bi-Di...

    • Publication number 20190162206
    • Publication date May 30, 2019
    • AOI (Advanced Oilfield Innovations, Inc.)
    • Daniel Maurice Lerner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PRESSURE-COMPENSATED LOAD TRANSFER DEVICE

    • Publication number 20190145436
    • Publication date May 16, 2019
    • KEPCO NUCLEAR FUEL CO., LTD.
    • Kyoung-hong Kim
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Prime Mover System and Methods Utilizing Balanced Flow within Bi-Di...

    • Publication number 20170114805
    • Publication date Apr 27, 2017
    • AOI (DBA A.O. International II, Inc)
    • Daniel Maurice Lerner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CYLINDER AND ADSORPTION SEPARARION DEVICE USING THE CYLINDER

    • Publication number 20170023029
    • Publication date Jan 26, 2017
    • SHENZHEN BITEMAN SCIENCE & TECHNOLOGY CO., LTD
    • Yinghui GUO
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    TRAVEL END EXPANSION VALVE FOR PISTON TYPE PRESSURE CONVERTER

    • Publication number 20150322976
    • Publication date Nov 12, 2015
    • Vianney Rabhi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    APPARATUS AND METHODS FOR DETERMINING A POSITION OF A PISTON IN A C...

    • Publication number 20150167700
    • Publication date Jun 18, 2015
    • CURTISS-WRIGHT FLOW CONTROL CORPORATION
    • Abraham Shelcoviz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FAIL-SAFE ACTUATION SYSTEM

    • Publication number 20150152887
    • Publication date Jun 4, 2015
    • Moog GmbH
    • Achim Helbig
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DEVICES AND METHODS OF ACTUATING SAME

    • Publication number 20150096435
    • Publication date Apr 9, 2015
    • TRANSOCEAN INNOVATION LABS, LTD
    • John Mathew Dalton
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Fluid-Pressure Drive Device for Circuit Breaker

    • Publication number 20150053074
    • Publication date Feb 26, 2015
    • Hitachi, Ltd
    • Shinji SETO
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FAIL-SAFE ACTUATION SYSTEM

    • Publication number 20140026969
    • Publication date Jan 30, 2014
    • Moog GmbH
    • Achim Helbig
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Damping device

    • Publication number 20060011370
    • Publication date Jan 19, 2006
    • Bosch Rexroth Ag
    • Heino Foersterling
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Electrohydraulic actuator

    • Publication number 20030077183
    • Publication date Apr 24, 2003
    • SNECMA MOTEURS
    • Michel Franchet
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Pneumatic actuator

    • Publication number 20030024239
    • Publication date Feb 6, 2003
    • Roger Massey
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL