TREA

Harry R. Janssen

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  • Ponca City, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flash zone draw tray for coker fractionator
    • Patent number 4,549,934
    • Issue date Oct 29, 1985
    • Conoco, Inc.
    • Harlan G. Graf
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    High temperature slide valve
    • Patent number 4,541,453
    • Issue date Sep 17, 1985
    • Conoco Inc.
    • Harlan G. Graf
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Process for improving product yields from delayed coking
    • Patent number 4,518,487
    • Issue date May 21, 1985
    • Conoco Inc.
    • Harlan G. Graf
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Method of reducing coke yield
    • Patent number 4,455,219
    • Issue date Jun 19, 1984
    • Conoco Inc.
    • Harry R. Janssen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Water cooled vertical gas distributor
    • Patent number 4,344,754
    • Issue date Aug 17, 1982
    • Conoco Inc.
    • Harlan G. Graf
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Process for making premium coke
    • Patent number 4,130,475
    • Issue date Dec 19, 1978
    • Continental Oil Company
    • Daniel F. Cameron
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents