TREA

prevention of freezing

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Industry

  • CPC
  • F04B39/068
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B39/00Component parts, details, or accessories, of pumps or pumping systems, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

Current Industry

F04B39/068prevention of freezing
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for operating a pneumatic system of a vehicle
    • Patent number 10,611,354
    • Issue date Apr 7, 2020
    • WABCO GmbH
    • Stefan Brinkmann
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Cryogenic pump with insulating arrangement
    • Patent number 9,995,290
    • Issue date Jun 12, 2018
    • Caterpillar Inc.
    • Michael J. Pollard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor arrangement with bypass means for preventing freezing of...
    • Patent number 9,022,068
    • Issue date May 5, 2015
    • Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
    • Christian Achatz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor freeze up prevention in cold weather
    • Patent number 8,845,300
    • Issue date Sep 30, 2014
    • Illinois Tool Works Inc.
    • Ross Renner
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Aftercooler bypass means for a locomotive compressed air system
    • Patent number 6,952,932
    • Issue date Oct 11, 2005
    • Westinghouse Air Brake Co.
    • Walter E. Goettel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Aftercooler bypass means for a locomotive compressed air system
    • Patent number 6,644,934
    • Issue date Nov 11, 2003
    • Westinghouse Air Brake Technologies Corporation
    • Walter E. Goettel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with improved cold temperature performance
    • Patent number 6,485,278
    • Issue date Nov 26, 2002
    • Delphi Technologies, Inc.
    • David Fredrick Reuter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System and a method for detecting antifreezing substances in a herm...
    • Patent number 6,337,211
    • Issue date Jan 8, 2002
    • Empresa Brasileria de Compressores S./A-Embraco
    • Friedrich Georg Mittelstadt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Aftercooler bypass means for a locomotive compressed air system
    • Patent number 6,283,725
    • Issue date Sep 4, 2001
    • Westinghouse Air Brake Company
    • Walter E. Goettel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for oil sump pressure control
    • Patent number 5,211,542
    • Issue date May 18, 1993
    • Carrier Corporation
    • Bruce A. Fraser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3302862
    • Patent number 3,302,862
    • Issue date Feb 7, 1967
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3129267
    • Patent number 3,129,267
    • Issue date Apr 14, 1964
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3057540
    • Patent number 3,057,540
    • Issue date Oct 9, 1962
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2201936
    • Patent number 2,201,936
    • Issue date May 21, 1940
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2172882
    • Patent number 2,172,882
    • Issue date Sep 12, 1939
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2147288
    • Patent number 2,147,288
    • Issue date Feb 14, 1939
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2108785
    • Patent number 2,108,785
    • Issue date Feb 22, 1938
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1336984
    • Patent number 1,336,984
    • Issue date Apr 13, 1920
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents