Patents by Inventor Wolfgang Stager

Wolfgang Stager has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Exhaust gas pipe cooled by ambient air
    Patent number: 4638632
    Abstract: An exhaust pipe outlet is surrounded by a jacket part having an inlet of ger diameter, permitting air to be drawn into the jacket part to isolate it from contact with the hot exhaust gases. Blocking air may be injected at the downstream end of the jacket part.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: January 27, 1987
    Assignee: Deutsche Forschungs-und Versuchsanstalt fur Luft-und Raumfahrt e.V.
    Inventors: Rudolf Wulf, Wolfgang Stager