Patents by Inventor Erhard Goldbach

Erhard Goldbach 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).

  • Filler for a bituminous mixture
    Patent number: 5669966
    Abstract: A filler for a bituminous mixture, particularly asphalt mastic, includes a mixture of a stone-like natural product, for example, rock dust, and an industrial product in the form of pulverized resin with cellulose fiber substances. Approximately 80 percent of the mixture preferably have a grain size of less than 0.09 mm. The pulverized resin with cellulose fiber materials is produced particularly as a dust-like abrasion product during the grinding, cutting or drilling processing of clutch linings or brake linings.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: September 23, 1997
    Assignee: ReDeLa Herstellung und Vertrieb von Baustoffen GmbH
    Inventor: Erhard Goldbach