TREA

Charles A. Sieck

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  • Harrisburg, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal exchanger engine
    • Patent number 4,779,420
    • Issue date Oct 25, 1988
    • Charles A. Sieck
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal thermal exchanger engine
    • Patent number 4,488,402
    • Issue date Dec 18, 1984
    • Charles A. Sieck
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Heating system
    • Patent number 4,109,486
    • Issue date Aug 29, 1978
    • Charles A. Sieck
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heating system
    • Patent number 4,098,256
    • Issue date Jul 4, 1978
    • Charles A. Sieck
    • F24 - HEATING RANGES VENTILATING