Patents by Inventor Robert Knöpfle

Robert Knöpfle 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).

  • Methods and apparatus to lock a dust cover in a firearm housing
    Patent number: 7181881
    Abstract: Methods and apparatus to lock a dust cover in a firearm housing are disclosed. An example firearm disclosed herein comprises a housing constructed substantially from non-magnetic material and defining an opening; a dust cover to cover the opening in the housing, the dust cover being pivotable between an open position and a closed position; and a magnetic lock to secure the dust cover in the closed position.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: February 27, 2007
    Assignee: Heckler & Koch, GmbH
    Inventors: Wilhelm Fischbach, Robert Knöpfle
  • Pistol
    Patent number: D464702
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: October 22, 2002
    Assignee: Heckler & Koch GmbH
    Inventors: Ernst Mauch, Hans-Peter Bantle, Helmut Weldle, Robert Knöpfle, Norbert Fluhr, Gerd Spinner