Patents by Inventor Gerd Biehl

Gerd Biehl 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: 4715859
    Abstract: Presented is a hip cup for a hip joint acetabular prosthesis comprising an outer cup having a hemispherical or truncated cone external form and an inner hemispherical cup that is capable of being inserted into the outer cup. Running externally about the outer shell is a self-cutting thread for cementless anchoring of the hip cup, the outer diameter of which is approximately constant over the entire axial length of the thread.
    Type: Grant
    Filed: December 4, 1986
    Date of Patent: December 29, 1987
    Assignee: Orthoplant Endoprothetik GmbH
    Inventors: Klaus-Dieter Schelhas, Gerd Biehl