Patents by Inventor Willi Schwenkel

Willi Schwenkel 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).

  • Patent number: 4669740
    Abstract: Cylinder head for gasket comprising a gasket plate having at least two combustion chamber apertures separated from one another by a web of a gasket plate, also comprising sheet metal combustion chamber edge trims approximately C-shaped in cross section and having flanges extending approximately parallel to the plane of the gasket plate and overlapping the edge regions of the combustion chamber apertures, the flanges of the combustion chamber edge trims overlapping one another in the region of the web, at least on one side of the gasket plate, in order to increase the sealing surface pressure in the web region and so one flange forms a sheet metal shim.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: June 2, 1987
    Assignee: Elring Dichtungswerke GmbH
    Inventor: Willi Schwenkel