Patents by Inventor Robert Knopfle

Robert Knopfle 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).

  • Publication number: 20050016051
    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: Application
    Filed: December 5, 2003
    Publication date: January 27, 2005
    Inventors: Wilhelm Fischbach, Robert Knopfle
  • Patent number: 6070353
    Abstract: A hammer for a portable firearm, such as automatic pistol, which hammer is at least partially exposed and has a hammer piece (1), arranged for firing a bullet cartridge by striking action and an end piece (2) extending a given distance for facilitating grasping of the hammer piece and preferably connected to the hammer piece (1) in a flexible manner, where either the end piece (2), extends a given distance on the hammer piece (1), is mounted via a flexible connection, or the end piece (2) is made of a flexible material.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: June 6, 2000
    Assignee: Heckler & Koch GmbH
    Inventors: Hermann Albrecht, Hans Peter Bantle, Robert Knopfle, Helmut Weldle