TREA

the movement of the pump piston in the two directions being obtained by two single-acting liquid motors each acting in one direction

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Industry

  • CPC
  • F04B9/1035
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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

F04B9/1035the movement of the pump piston in the two directions being obtained by two single-acting liquid motors each acting in one direction
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Microfluidic cellular membrane modification devices
    • Patent number 11,485,944
    • Issue date Nov 1, 2022
    • Hewlett-Packard Development Company, L.P.
    • Viktor Shkolnikov
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hydraulically actuated reciprocating pump
    • Patent number 8,449,265
    • Issue date May 28, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating hydraulic machine, especially a motor, and dosing app...
    • Patent number 7,207,260
    • Issue date Apr 24, 2007
    • Dosatron International
    • Gaetan Thierry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid abrasive jets for machining
    • Patent number 6,276,993
    • Issue date Aug 21, 2001
    • Donald Stuart Miller
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Process for conveying thick matter containing preshredded scrap met...
    • Patent number 6,158,313
    • Issue date Dec 12, 2000
    • Putzmeister Aktiengesellschaft
    • Karl Schlecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water jet intensifier pump having a piston arrangement with a ceram...
    • Patent number 6,086,338
    • Issue date Jul 11, 2000
    • Higgins Technologies, Inc.
    • Bobby L. Higgins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Process for conveying thick matter containing preshredded scrap met...
    • Patent number 5,988,028
    • Issue date Nov 23, 1999
    • Putzmeister Aktiengesellschaft
    • Karl Schlecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic-pneumatic motor
    • Patent number 5,819,533
    • Issue date Oct 13, 1998
    • Raymond J. Moonen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic-pneumatic motor
    • Patent number 5,819,635
    • Issue date Oct 13, 1998
    • Raymond J. Moonen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pumping system
    • Patent number 4,439,114
    • Issue date Mar 27, 1984
    • Garman O. Kimmell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of and apparatus for transporting fluid substances
    • Patent number 4,229,143
    • Issue date Oct 21, 1980
    • "NIKEX" Nehezipari Kulkereskedelmi Vallalat
    • Janos Pucher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid driven liquid dosing apparatus
    • Patent number 4,141,467
    • Issue date Feb 27, 1979
    • Lever Brothers Company
    • Govert J. P. Augustijn
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Colorant dispenser having time sequence dispensing cycle
    • Patent number 4,101,055
    • Issue date Jul 18, 1978
    • Edward J. Poitras
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    3393944
    • Patent number 3,393,944
    • Issue date Jul 23, 1968
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3354640
    • Patent number 3,354,640
    • Issue date Nov 28, 1967
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3200840
    • Patent number 3,200,840
    • Issue date Aug 17, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2080695
    • Patent number 2,080,695
    • Issue date May 18, 1937
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1893440
    • Patent number 1,893,440
    • Issue date Jan 3, 1933
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROFLUIDIC CELLULAR MEMBRANE MODIFICATION
    • Publication number 20230017342
    • Publication date Jan 19, 2023
    • Hewlett-Packard Development Company, L.P.
    • Viktor Shkolnikov
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Hydraulically Actuated Reciprocating Pump
    • Publication number 20110293447
    • Publication date Dec 1, 2011
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic machine
    • Publication number 20060037465
    • Publication date Feb 23, 2006
    • Dosatron International
    • Gaetan Thierry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...