Patents by Inventor Hakan Torner

Hakan Torner 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).

  • Method and device to scatter a preheated material on a surface
    Patent number: 5499462
    Abstract: A method and device scatter preheated sand, urea, road salt, etc. from a spreading vehicle onto runways and roads to counteract slipperiness caused by snow, ice, sleet, mud and the like. Preheating of the material is by an electronically controlled LP-gas driven burner in close association with feeding of the material from the spreading vehicle to the surface which is to be treated. Flames from the burner have direct contact with the material being preheated. The process can be remotely controlled from the driver cabin of the spreading vehicle. The heating system can be conveniently mounted to an existing spreading vehicle.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: March 19, 1996
    Inventors: Sixten Forsdahl, Hakan Torner