Patents by Inventor Alfons Scheuring

Alfons Scheuring 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).

  • Electrically conducting sealing compound for spark plugs
    Patent number: 5565730
    Abstract: An electrically conducting sealing compound for a sparkplug contact core with the sealing compound being disposed between a terminal-side section and a spark-side section of a center electrode, while the sealing compound essentially contains a fusible glass component and a powdered, electrically conducting component. The electrically conducting component of the sealing compound is exclusively composed of graphite in an amount of 10 to 30% by volume, based on the powder components of the sealing compound.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: October 15, 1996
    Assignee: Robert Bosch GmbH
    Inventors: Rudolf Pollner, Alfons Scheuring