Patents by Inventor Frank Brandenburg

Frank Brandenburg 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).

  • Rotary tool with a cooling apparatus
    Patent number: 6126368
    Abstract: A rotary tool for imparting rotation to a drill or an attachment element (2), and including a rotation-imparting element (14), and apparatus (6) for storing a cooling medium, and a conduit (7) for delivering the cooling medium to an operational side end region of the drill or of the attachment element (2).
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: October 3, 2000
    Assignee: Hilti Aktiengesellschaft
    Inventors: Gerd Daubinger, Horst Rahmsdorf, Felix Ferlemann, Frank Brandenburg, Holger Wirtz