TREA

Walter Sibbertsen

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  • Hamburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement for removing oxidizable or combustible particles from e...
    • Patent number 5,193,341
    • Issue date Mar 16, 1993
    • HKK Hanseatisches Kreativ Kontor Gesellschaft fur Entwicklung und Vertrieb mbH
    • Walter Sibbertsen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Pistol grip type compressed air blower
    • Patent number 4,867,380
    • Issue date Sep 19, 1989
    • Mar-Research Gesellschaft fuer Forschung und Entwicklung mbH
    • Walter Sibbertsen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Process for cooling the blades of thermal turbomachines
    • Patent number 4,818,178
    • Issue date Apr 4, 1989
    • Marresearch Gesellschaft fuer Forschung und Entwicklung GmbH
    • Walter Sibbertsen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...