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Carl Lindgren

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  • Glenshaw, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coke oven charging car
    • Patent number 4,527,488
    • Issue date Jul 9, 1985
    • Koppers Company, Inc.
    • Carl Lindgren
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Coke oven door cleaner
    • Patent number 4,375,389
    • Issue date Mar 1, 1983
    • Koppers Company, Inc.
    • Carl Lindgren
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Device for spotting within tolerance apparatus associated with the...
    • Patent number 4,049,501
    • Issue date Sep 20, 1977
    • Koppers Company, Inc.
    • Carl G. Lindgren
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Apparatus for cleaning the bottom surface of a coke oven door plug
    • Patent number 3,990,948
    • Issue date Nov 9, 1976
    • Koppers Company, Inc.
    • Carl G. Lindgren
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...