Patents by Inventor Gunther Rudolf Beke

Gunther Rudolf Beke 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 for internal-combustion engine
    Patent number: 4064963
    Abstract: The exhaust of an internal-combustion engine comprises a muffler of malleable aluminum or aluminum alloy with a heat-resistant inner layer extending at least along a wall portion confronting an inlet for the hot exhaust gases. The heat-resistant layer may be a refractory coating, e.g. alumina, beryllia or zirconia particles in a matrix of Teflon or silicone rubber, or a metallic liner separated from the outer wall by an airspace possibly occupied by rock wool or the like.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: December 27, 1977
    Assignee: Vereinigte Metallwerke Ranshofen-Berndorf Aktiengesellschaft
    Inventors: Peter Kaan, Gunther Rudolf Beke