TREA

Machen, Inc.

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  • Spokane, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turbine engine having combustor air precooler
    • Patent number 5,012,646
    • Issue date May 7, 1991
    • Machen, Inc.
    • Stephen R. Speer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine breather oil recovery system
    • Patent number 4,947,806
    • Issue date Aug 14, 1990
    • Machen, Inc.
    • Stephen R. Speer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

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