TREA

David L. Waltke

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  • Beatrice, NE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible bag for liquids mounted on a frame
    • Patent number 5,746,343
    • Issue date May 5, 1998
    • Hoover Group, Inc.
    • David L. Waltke
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Portable bulk storage tank
    • Patent number D320255
    • Issue date Sep 24, 1991
    • Hoover Group, Inc.
    • David L. Waltke
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Composite tank assembly
    • Patent number 4,932,551
    • Issue date Jun 12, 1990
    • Hoover Group, Inc.
    • Larry D. Thomas
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Liquid supply system utilizing stacked tanks
    • Patent number 4,921,126
    • Issue date May 1, 1990
    • Hoover Group, Inc.
    • David L. Waltke
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Cylindrical tank with flared upper end
    • Patent number 4,890,756
    • Issue date Jan 2, 1990
    • Hoover Group, Inc.
    • David L. Waltke
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Slide gate assembly
    • Patent number 4,785,966
    • Issue date Nov 22, 1988
    • Hoover Group, Inc.
    • David L. Waltke
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Tank
    • Patent number D298450
    • Issue date Nov 8, 1988
    • Hoover Group, Inc.
    • Larry D. Thomas
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Composite metal and plastic tank
    • Patent number 4,648,521
    • Issue date Mar 10, 1987
    • Hoover Group, Inc.
    • Larry D. Thomas
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pallet and tank assembly
    • Patent number 4,605,126
    • Issue date Aug 12, 1986
    • Hoover Universal, Inc.
    • James H. Goedken
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL