Patents by Inventor Klaus Dreps

Klaus Dreps 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: 6033162
    Abstract: A bit adaptor has a guide sleeve having a first end and a second end. The first end has an axially extending polygonal receiving member for receiving a screwdriver bit. The second end has an axially extending blind bore for receiving a drill bit. The blind bore has a bottom portion for torsionally engaging a tip of the drill bit. The bottom portion has a support structure for supporting a cutting plate of a tip of the drill bit, wherein the support structure provides at least a linear support for the cutting plate.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: March 7, 2000
    Assignee: Firma DreBo Werkseug-Fabrik GmbH
    Inventors: Klemens Uebele, Klaus Dreps
  • Patent number: 4989681
    Abstract: A drill bit for producing an undercut. The drill bit includes a shaft and a cutting edge that is disposed asymmetrically radially beyond the shaft in a front end portion of the drill bit. A planar guide surface is provided on a conical end face of the drill bit. This guide surface is disposed radially opposite the cutting edge. The guide surface terminates at a concentric tip of the drill bit.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: February 5, 1991
    Assignee: DreBo Werkzeugfabrik GmbH
    Inventors: Johann Lohmuller, Klaus Dreps