TREA

the return stroke being obtained by an elastic fluid under pressure

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  • CPC
  • F04B9/1222
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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

F04B9/1222the return stroke being obtained by an elastic fluid under pressure
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Reciprocating fluid pump including at least one magnet on a spool o...
    • Patent number 11,396,870
    • Issue date Jul 26, 2022
    • White Knight Fluid Handling Inc.
    • David M. Simmons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-lubricating pump throat seal
    • Patent number 10,774,830
    • Issue date Sep 15, 2020
    • Graco Minnesota Inc.
    • Jesse L. Lanie
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump arrangement with two pump units, system, use and method
    • Patent number 9,458,843
    • Issue date Oct 4, 2016
    • Alfa Laval Corporate AB
    • Erik Cardelius
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fill pump with rolling diaphragms attached by vacuum to the piston
    • Patent number 5,913,665
    • Issue date Jun 22, 1999
    • Tetra Laval Holdings & Finance, S.A.
    • Paul C. Sundby
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pneumatically controlled pump
    • Patent number 5,092,743
    • Issue date Mar 3, 1992
    • Ecot S.A.
    • Frederic F. Dietrich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump having reciprocating pumping means
    • Patent number 4,021,164
    • Issue date May 3, 1977
    • AB Piab
    • Hans Peter Tell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3882899
    • Patent number 3,882,899
    • Issue date May 13, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3700359
    • Patent number 3,700,359
    • Issue date Oct 24, 1972
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3632233
    • Patent number 3,632,233
    • Issue date Jan 4, 1972
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2934024
    • Patent number 2,934,024
    • Issue date Apr 26, 1960
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2832294
    • Patent number 2,832,294
    • Issue date Apr 29, 1958
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2780066
    • Patent number 2,780,066
    • Issue date Feb 5, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2419993
    • Patent number 2,419,993
    • Issue date May 6, 1947
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1995611
    • Patent number 1,995,611
    • Issue date Mar 26, 1935
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1920014
    • Patent number 1,920,014
    • Issue date Jul 25, 1933
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1674614
    • Patent number 1,674,614
    • Issue date Jun 19, 1928
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR OPERATED PUMP
    • Publication number 20170022983
    • Publication date Jan 26, 2017
    • WILDEN PUMP AND ENGINEERING LLC
    • CARL GLAUBER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ARRANGEMENT WITH TWO PUMP UNITS, SYSTEM, USE AND METHOD
    • Publication number 20110318195
    • Publication date Dec 29, 2011
    • Alfa Laval Corporate AB
    • Erik Cardelius
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO-STAGE AIR POWERED PUMP
    • Publication number 20090169401
    • Publication date Jul 2, 2009
    • Micah L. Digman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...