TREA

William F. Harder

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  • Wellsville, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air preheater heat transfer surface
    • Patent number 5,803,158
    • Issue date Sep 8, 1998
    • ABB Air Preheater, Inc.
    • William F. Harder
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Rotary regenerative air preheater basket sealing
    • Patent number 5,048,595
    • Issue date Sep 17, 1991
    • ABB Air Preheater, Inc.
    • William F. Harder
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat transfer element assembly
    • Patent number 4,930,569
    • Issue date Jun 5, 1990
    • The Air Preheater Company, Inc.
    • William F. Harder
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat transfer element assembly
    • Patent number 4,396,058
    • Issue date Aug 2, 1983
    • The Air Preheater Company
    • Hermann E. Kurschner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR