Patents by Inventor Gottfried Kilian

Gottfried Kilian 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).

  • Bituminous mixed composition and filler for same containing non-hygroscopic crystal water-containing substances
    Patent number: 4242144
    Abstract: Hot processed bituminous mixed composition, particularly for road construction, characterized by containing non-hygroscopic, crystal water-containing substances, that upon heating to the mixing temperature of the mixed bituminous composition will completely or partly release their crystal water. The invention further relates to a filler as component of the mixed composition.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: December 30, 1980
    Assignee: Rheinische Kalksteinwerke GmbH
    Inventors: Klaus Bergmann, Friedrich Schmitz, Gottfried Kilian, Heinz Reppel