TREA

Driving of pistons coacting within one cylinder

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  • CPC
  • F04B9/025
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B9/00Piston machines or pumps characterised by the driving or driven means to or from their working members

Current Industry

F04B9/025Driving of pistons coacting within one cylinder
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pumping system with control features for controlling stroke duratio...
    • Patent number 11,480,163
    • Issue date Oct 25, 2022
    • Saudi Arabian Oil Company
    • Amer A. Al-Dhafiri
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Direct drive air pump
    • Patent number 11,454,223
    • Issue date Sep 27, 2022
    • Wei-Chi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus to prevent side load in hydraulic override pumps
    • Patent number 11,353,012
    • Issue date Jun 7, 2022
    • EMERSON PROCESS MANAGEMENT, VALVE AUTOMATION, INC.
    • Joseph Sun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor with a plurality of spring strands
    • Patent number 11,268,500
    • Issue date Mar 8, 2022
    • LG Electronics Inc.
    • Hyosang Yu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inactivation of pathogens in biological media
    • Patent number 11,224,669
    • Issue date Jan 18, 2022
    • Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    • Martin Thoma
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Linear compressor with a plurality of spring strands
    • Patent number 11,208,989
    • Issue date Dec 28, 2021
    • LG Electronics Inc.
    • Hyosang Yu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular multi-channel syringe pump
    • Patent number 10,962,991
    • Issue date Mar 30, 2021
    • KORTEKS ADVANCED SCIENCES, INC.
    • Kanchana Sanjaya Gunesekera Karunaratne
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rapidly modulated hydraulic supply for a robotic device
    • Patent number 10,533,542
    • Issue date Jan 14, 2020
    • Sarcos L.C.
    • Fraser M. Smith
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Air pump apparatus using electric actuator and air pump system
    • Patent number 10,391,629
    • Issue date Aug 27, 2019
    • THK Co., Ltd
    • Koji Ozawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Liquid supply device
    • Patent number 10,294,929
    • Issue date May 21, 2019
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Kei Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressed fluid motor, and compressed fluid powered vehicle
    • Patent number 10,280,754
    • Issue date May 7, 2019
    • St. Mary Technology LLC
    • Leroy J. Rafalski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressed fluid motor, and compressed fluid powered vehicle
    • Patent number 9,435,202
    • Issue date Sep 6, 2016
    • ST. MARY TECHNOLOGY LLC
    • Leroy J. Rafalski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Precision pumping system for spray treatment cycles
    • Patent number 9,278,367
    • Issue date Mar 8, 2016
    • Sunless, Inc.
    • Steven C. Cooper
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Electric thrust piston pump device
    • Patent number 8,257,062
    • Issue date Sep 4, 2012
    • Toyota Jidosha Kabushiki Kaisha
    • Hiroshi Isono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dynamic system for refrigeration equipment
    • Patent number 7,392,737
    • Issue date Jul 1, 2008
    • Aurélio Mayorca
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid discharge pumping apparatus
    • Patent number 7,387,221
    • Issue date Jun 17, 2008
    • Masatoshi Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor employing piston-ring check valves
    • Patent number 6,602,060
    • Issue date Aug 5, 2003
    • Ovation Products Corporation
    • William H. Zebuhr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotating compressor
    • Patent number 6,592,338
    • Issue date Jul 15, 2003
    • Ovation Products Corporation
    • William H. Zebuhr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double-acting rod pump
    • Patent number 6,398,514
    • Issue date Jun 4, 2002
    • Steve C. Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water-raising pump
    • Patent number 6,371,008
    • Issue date Apr 16, 2002
    • Sorelec
    • Salah Djelouah
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating low pressure ratio compressor
    • Patent number 6,328,536
    • Issue date Dec 11, 2001
    • Ovation Products Corporation
    • William Zebuhr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low noise high efficiency positive displacement pump
    • Patent number 6,148,716
    • Issue date Nov 21, 2000
    • Impact MST Incorporated
    • Robert P. Swank
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Double acting pump
    • Patent number 5,556,267
    • Issue date Sep 17, 1996
    • Hansen Engine Corporation
    • Craig N. Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double piston pump for administering medication
    • Patent number 5,526,962
    • Issue date Jun 18, 1996
    • Medimpex Ets.
    • Heinz Huggenberger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Double acting self-flushing pump
    • Patent number 4,598,630
    • Issue date Jul 8, 1986
    • University of KY Research Foundation
    • David T. Kao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1756089
    • Patent number 1,756,089
    • Issue date Apr 29, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1676163
    • Patent number 1,676,163
    • Issue date Jul 3, 1928
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1651330
    • Patent number 1,651,330
    • Issue date Nov 29, 1927
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1604734
    • Patent number 1,604,734
    • Issue date Oct 26, 1926
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1563240
    • Patent number 1,563,240
    • Issue date Nov 24, 1925
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    DIRECT DRIVE AIR PUMP
    • Publication number 20210033078
    • Publication date Feb 4, 2021
    • Wei-Chi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20200182229
    • Publication date Jun 11, 2020
    • LG ELECTRONICS INC.
    • Hyosang YU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING SYSTEM
    • Publication number 20200063725
    • Publication date Feb 27, 2020
    • Saudi Arabian Oil Company
    • Amer A. Al-Dhafiri
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20200025186
    • Publication date Jan 23, 2020
    • LG ELECTRONICS INC.
    • Hyosang YU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MODULAR MULTI-CHANNEL SYRINGE PUMP
    • Publication number 20190234399
    • Publication date Aug 1, 2019
    • Korteks Advanced Sciences, Inc.
    • Kanchana Sanjaya Gunesekera KARUNARATNE
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Compressed Fluid Motor, and Compressed Fluid Powered Vehicle
    • Publication number 20170350249
    • Publication date Dec 7, 2017
    • St. Mary Technology LLC
    • Leroy J. RAFALSKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING DEVICE AND METHOD FOR CONVEYING VISCOUS MEDIA, IN PARTICULA...
    • Publication number 20160153434
    • Publication date Jun 2, 2016
    • Krones Aktiengesellschaft
    • Christian STOIBER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRECISION PUMPING SYSTEM FOR SPRAY TREATMENT CYCLES
    • Publication number 20140076992
    • Publication date Mar 20, 2014
    • SUNLESS, INC.
    • Steven C. Cooper
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    COMPRESSED FLUID MOTOR, AND COMPRESSED FLUID POWERED VEHICLE
    • Publication number 20130327206
    • Publication date Dec 12, 2013
    • Leroy J. RAFALSKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC THRUST PISTON PUMP DEVICE
    • Publication number 20090092508
    • Publication date Apr 9, 2009
    • Toyota Jidosha Kabushiki Kaisha
    • Hiroshi Isono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING SYSTEM WITH PRECISE RATIO OUTPUT
    • Publication number 20090068034
    • Publication date Mar 12, 2009
    • PUMPTEC, INC.
    • James E. Cook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dynamic system for refrigeration equipment
    • Publication number 20070022759
    • Publication date Feb 1, 2007
    • Aurélio Mayorca
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Piston type gas compressor, and piston type gas pressure drive rota...
    • Publication number 20050042112
    • Publication date Feb 24, 2005
    • CHUOGIKEN KOGYO CO LTD
    • Kowhei Nokubi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid discharge pumping apparatus
    • Publication number 20040208750
    • Publication date Oct 21, 2004
    • Masatoshi Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotating compressor
    • Publication number 20020038555
    • Publication date Apr 4, 2002
    • William H. Zebuhr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Compressor employing piston-ring check valves
    • Publication number 20020037224
    • Publication date Mar 28, 2002
    • William H. Zebuhr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL