TREA

Douglas D. Purdy

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  • Bryan, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chamber insulation for prevention of icing in air motors
    • Patent number 5,649,813
    • Issue date Jul 22, 1997
    • Ingersoll-Rand Company
    • Stephen D. Able
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Diaphragm pump
    • Patent number D370488
    • Issue date Jun 4, 1996
    • The ARO Corporation
    • Nicholas Kozumplik
    • D15 - Machines not elsewhere specified