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Wolfgang H. Koch

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  • Batavia, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Regulation of vapor pump valve
    • Patent number 6,223,789
    • Issue date May 1, 2001
    • Tokheim Corporation
    • Wolfgang H. Koch
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Apparatus for detecting hydrocarbon using crystal oscillators withi...
    • Patent number 6,167,747
    • Issue date Jan 2, 2001
    • Tokheim Corporation
    • Wolfgang H. Koch
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Vapor recovery system utilizing a fiber-optic sensor to detect hydr...
    • Patent number 6,103,532
    • Issue date Aug 15, 2000
    • Tokheim Corporation
    • Wolfgang H. Koch
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Vapor recovery system employing oxygen detection
    • Patent number 5,988,232
    • Issue date Nov 23, 1999
    • Tokheim Corporation
    • Wolfgang H. Koch
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Stage II vapor recovery system
    • Patent number 5,325,896
    • Issue date Jul 5, 1994
    • Amoco Corporation
    • Wolfgang H. Koch
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Vapor recovery nozzle with flow indicators
    • Patent number 5,273,087
    • Issue date Dec 28, 1993
    • Amoco Corporation
    • Wolfgang H. Koch
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Fuel dispenser handle
    • Patent number D342742
    • Issue date Dec 28, 1993
    • Amoco Corporation
    • Charles M. Daul
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Fuel dispenser handle
    • Patent number D341595
    • Issue date Nov 23, 1993
    • Amoco Corporation
    • Dennis J. Strock
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Fuel and vapor flow signaling process
    • Patent number 5,244,017
    • Issue date Sep 14, 1993
    • Amoco Corporation
    • Harry B. Hartman
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Fuel dispenser handle
    • Patent number D338209
    • Issue date Aug 10, 1993
    • Amoco Corporation
    • Michael S. Butkovich
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Fuel dispenser handle
    • Patent number D338210
    • Issue date Aug 10, 1993
    • Amoco Corporation
    • Terrance L. Lambert
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Stage II vapor recovery system
    • Patent number 5,213,142
    • Issue date May 25, 1993
    • Amoco Corporation
    • Wolfgang H. Koch
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Process to prevent vapor blockage for stage II vapor recovery
    • Patent number 5,199,471
    • Issue date Apr 6, 1993
    • Amoco Corporation
    • Harry B. Hartman
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...