Patents by Inventor Bengt N. V. Bonstrom

Bengt N. V. Bonstrom 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: 4657181
    Abstract: A rail for a track-bound vehicle comprising a number of lateral flanges, which can cooperate with a substructure, the flanges extending in an outwards direction from an essentially vertically arranged web provided with a foot, and a portion of a runway rail forming part of a head of the rail and connected with the web. This makes possible a reduction of excavating and substructure work, when laying rails, and a simplified maintenance of the tracks, and in addition also reduces the required number of sleepers. The lateral flanges as seen in the transverse direction relative to the web project to a larger extend than the foot, so that the load operating on the rail will essentially be absorbed by the substructure cooperating with and substantially being located in the area of the lateral flanges.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: April 14, 1987
    Inventor: Bengt N. V. Bonstrom