TREA

David Doerschuk

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  • Columbus, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steam shower having improved maintenance access
    • Patent number 8,187,426
    • Issue date May 29, 2012
    • ABB Ltd.
    • John Spachman
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Linear weight actuator
    • Patent number 5,172,600
    • Issue date Dec 22, 1992
    • ABB Process Automation Inc.
    • Thomas J. Cissell
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Pneumatic stepper motor actuator
    • Patent number 5,060,539
    • Issue date Oct 29, 1991
    • ABB Process Automation Inc.
    • Thomas J. Cissell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents