Patents by Inventor Hans-Peter Sigg

Hans-Peter Sigg 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).

  • Weapon, in particular a self-loading pistol
    Patent number: 6612063
    Abstract: In a weapon, in particular a self-loading pistol, having a barrel (1) and a breech block (4), it being possible for a cartridge (2) to be fired in the barrel (1) by being acted upon by means of a firing pin (7), to identify a fired cartridge (2) and/or to increase the precision during the shot, a contact region (10) of the breech block (4) with the cartridge (2) has at least one prominence (11) and/or recess (12).
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: September 2, 2003
    Inventor: Hans-Peter Sigg
  • Semiautomatic weapon
    Patent number: 5778585
    Abstract: A semiautomatic weapon with a grip, a breech block and a hammer which is arranged rotatably about a hammer axis, wherein the position of the hammer axis relative to the grip can be varied.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: July 14, 1998
    Assignee: Schweizerische Industriegesellschaft
    Inventor: Hans-Peter Sigg