Patents by Inventor Nils Goran Gellerstedt

Nils Goran Gellerstedt 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).

  • Device for a pyrotechnical flare body comprising a flame spreader for the flame emitted by the flare body
    Patent number: 4005656
    Abstract: A projectile such as a bomb or rocket is provided with a flare section comprising an elongated cylindrical casing containing a body of flare material. An elongated support element extends through the flare body along its central axis, and a truncated conical flame spreader is attached to one end of the support element with the smaller end of the truncated cone in firm engagement with an end surface of the flare body and with at least the major portion of the conical surface of the flame spreader recessed within an extended portion of the casing. A nose fairing is removably attached to the extended portion of the casing and is adapted to be blown away from the casing by a charge located in a cavity within the flame spreader.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: February 1, 1977
    Assignee: AB Bofors
    Inventors: Nils Goran Gellerstedt, Yngve Bertil Stradalen