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Vernon J. Krupa

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  • Chippewa Falls, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flow control device and apparatus for mounting same
    • Patent number 6,367,776
    • Issue date Apr 9, 2002
    • Extrusion Dies, Inc.
    • Harry G. Lippert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Flow control device and apparatus for mounting same
    • Patent number 6,109,592
    • Issue date Aug 29, 2000
    • Extrusion Dies, Inc.
    • Harry G. Lippert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Dual flexible lip extrusion apparatus
    • Patent number 5,962,041
    • Issue date Oct 5, 1999
    • Extrusion Dies, Inc.
    • John W. Ryan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extrusion die for rigid foam sheet
    • Patent number 5,770,240
    • Issue date Jun 23, 1998
    • Extrusion Dies, Inc.
    • Vernon Krupa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Dual flexible lip extrusion apparatus
    • Patent number 5,679,383
    • Issue date Oct 21, 1997
    • Extrusion Dies, Inc.
    • John W. Ryan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Dual-chamber vacuum box
    • Patent number 5,618,568
    • Issue date Apr 8, 1997
    • Extrusion Dies, Inc.
    • Vernon J. Krupa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Feed block for coextrusion apparatus
    • Patent number 5,375,990
    • Issue date Dec 27, 1994
    • Extrusion Dies, Inc.
    • Vernon J. Krupa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL