Patents by Inventor Siegmar Schafer

Siegmar Schafer 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).

  • Crushing device especially for scrap metal
    Patent number: 5505393
    Abstract: A crushing device for crushing material such as scrap metal and refuse has a housing with a material feeding section and a material removal section for removing crushed material. A shaft with a rotor connected thereto is rotatably supported in the housing. The rotor comprises crushing members. The housing has abutments for cooperating with the crushing members. The feeding section is positioned below a horizontal plane in which the shaft is positioned. An outlet is positioned, when viewed in the rotational direction of the rotor, directly adjacent to and lower than the material feeding section for at least partially replacing the removal section.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: April 9, 1996
    Assignee: Thyssen Industrie AG
    Inventors: Petre Serban, Siegmar Schafer, Josef Weber