Patents by Inventor Erwin Kurz

Erwin Kurz 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).

  • Patent number: 4257728
    Abstract: A rotary drum storage tank for receiving and conveying garbage includes a rear cover for the tank with a helical baffle protruding into the storage tank and which acts as a pressing screw which pushes the material which is dumped into the tank backwardly into the rear thereof. The baffle acts in conjunction with a plurality of strikers arranged on the inner wall of the rotary drum storage tank and which rotate with the tank to force the material into the storage space. The drum is mounted on annular ball bearings which are secured on a bolt which is mounted on a box girder or closed frame girder having a central opening therethrough which accommodates the bearings.
    Type: Grant
    Filed: March 2, 1979
    Date of Patent: March 24, 1981
    Assignee: Industrie-Werke Karlsruhe Augsburg Aktiengesellschaft
    Inventors: Herbert Schmidt, Erwin Kurz, Rudolf Berger, Erich Pilz