TREA

Stephen L. Kretschmer

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  • Elk Grove Village, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable over-the-top agitator for a liquid manure tank
    • Patent number 4,512,665
    • Issue date Apr 23, 1985
    • A. O. Smith Harvestore Products, Inc.
    • Kevin W. Cline
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for agitating and pumping a liquid slurry
    • Patent number 4,416,549
    • Issue date Nov 22, 1983
    • A. O. Smith Harvestore Products, Inc.
    • Stephen L. Kretschmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Chopper pump
    • Patent number 4,402,648
    • Issue date Sep 6, 1983
    • A. O. Smith Harvestore Products, Inc.
    • Stephen L. Kretschmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...