TREA

the distribution being realised by moving the cylinder itself

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  • CPC
  • F04B7/0291
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B7/00Piston machines or pumps characterised by having positively-driven valving

Current Industry

F04B7/0291the distribution being realised by moving the cylinder itself
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual-piston pump apparatus
    • Patent number 5,479,847
    • Issue date Jan 2, 1996
    • Marlen Research Corporation
    • Richard G. Powers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid sampling pump
    • Patent number 5,152,678
    • Issue date Oct 6, 1992
    • Y-Z Industries, Inc.
    • Ted E. Zeck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-cylinder piston pump
    • Patent number 5,061,158
    • Issue date Oct 29, 1991
    • Aliva Aktiengesellschaft
    • Ernst Egli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact twin piston pump
    • Patent number 4,884,594
    • Issue date Dec 5, 1989
    • Marlen Research Corporation
    • Richard G. Powers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact twin piston pump
    • Patent number 4,869,653
    • Issue date Sep 26, 1989
    • Marlen Research Corporation
    • Richard G. Powers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact twin piston pump
    • Patent number 4,869,655
    • Issue date Sep 26, 1989
    • Marlen Research Corporation
    • Richard G. Powers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Batching plant for lime concrete
    • Patent number 4,174,788
    • Issue date Nov 20, 1979
    • Casagrande & C. S.p.A.
    • Bruno Casagrande
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Concrete pumping apparatus
    • Patent number 4,036,564
    • Issue date Jul 19, 1977
    • John A. Richards
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3804556
    • Patent number 3,804,556
    • Issue date Apr 16, 1974
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3429267
    • Patent number 3,429,267
    • Issue date Feb 25, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3266433
    • Patent number 3,266,433
    • Issue date Aug 16, 1966
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents