Patents by Inventor Norbert Schnabel

Norbert Schnabel 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).

  • Method for Producing a Sealing Ring
    Publication number: 20090212031
    Abstract: A method for producing a sealing ring in which a hollow cylinder is first formed from a sheet metal, the mutually contacting edges of the sheet metal being joined in a substance-to-substance bond, the bond being produced in such a way that a bead is formed at least on the outer periphery, along the mutually contacting edges, and is flattened in a subsequent working process.
    Type: Application
    Filed: February 1, 2007
    Publication date: August 27, 2009
    Applicant: Carl Freudenberg KG
    Inventors: Hermann Stahl, Norbert Schnabel