Patents by Inventor Thomas Strothjohann

Thomas Strothjohann 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).

  • Tire tread including sipe having legs defining V-shape
    Patent number: 6341633
    Abstract: A tread for a vehicle tire includes at least one circumferentially extending longitudinal groove and transverse grooves emanating from the longitudinal groove for defining blocks in a pattern and sipes arranged in the tread. Each sipe defines a sipe depth extending from a pattern face of the tread toward a pattern base of the tread. At least one of the sipes is located in at least one of the blocks and is configured to have legs defining a V-shape. An intersection of the legs is arranged in a side surface area of the block facing the longitudinal groove. Ends of the legs are oriented away from the side surface area.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: January 29, 2002
    Assignee: Pirelli Reifenwerke GmbH & Co. KG
    Inventors: Ralph Adlon, Elmar Farrenkopf, Stefan Küster, Otto Sallein, Thomas Strothjohann