Patents by Inventor Helmut Käufer

Helmut Käufer 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).

  • Tooth root implant
    Patent number: 6315561
    Abstract: An implant has a base body (9) with a fiber-threaded outer surface (2) for promoting in-growth in a jaw bone. The fibers (5) extracted from the base body (9) have a rugged structure to facilitate the settlement of human tissue cells on the base body (9).
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: November 13, 2001
    Inventors: Michael Baruschke, Helmut Käufer, Alexander Bongers