Patents by Inventor Gunnar F. Gudbrandsen

Gunnar F. Gudbrandsen 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: 4643098
    Abstract: A practice rocket for antitank weapons comprising a head and a support rod fastened to the head, the support rod carrying a tracer charge at its rearward end, and a propulsive charge in the form of gunpowder rods distributed around the support rod. The gunpowder rods are fastened to the head or to a disc attached to the head, and the support rod and the gunpowder rods are surrounded by a sleeve having a cylindrical portion and a narrow portion constituting a nozzle. The tracer charge is situated in front of the nozzle, and is ignited simultaneously with the firing of the rocket.
    Type: Grant
    Filed: October 18, 1984
    Date of Patent: February 17, 1987
    Assignee: A/S Raufoss Ammunisjonsfabrikker
    Inventors: Gunnar F. Gudbrandsen, Perkristian Skjerven, Bjorn S. Bjerkvoll