Patents by Inventor Wolfgang Pehl

Wolfgang Pehl 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).

  • Pneumatic vehicle tire
    Patent number: 4254812
    Abstract: A pneumatic vehicle tire with a tread strip having wood powder embedded therein and through the tread strip in the form of particles having a size within the range of from about 0.02 to 0.25 mm (mesh width of from 20 to 250.mu. according to German Standards DIN 4188). The wood particles are directly connected to and embedded in the tread strip mixture of which tread strip is made, e.g. rubber mixture, without the employment of adhesives. The wood particles amount to about from 2 to 10% by weight of the tread strip mixture.
    Type: Grant
    Filed: July 27, 1979
    Date of Patent: March 10, 1981
    Assignee: Continental Gummi-Werke Aktiengesellschaft
    Inventors: Klaus-Dieter Roker, Wolfgang Pehl, Diethelm Reichenbach