Patents by Inventor Bernard D. Thomsen

Bernard D. Thomsen 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: 4648739
    Abstract: A non-corrosive load transfer cell assembly for transverse joints in concrete pavement structures including support chairs, a pair of plastic walls abutting the edges of the concrete joints, a drainage trough for continuous drainage flow, a joint forming guide to wet form the upper portion of the joint through the concrete material, and compressed elastomers which space the wall liners apart and cooperate with threaded compression means to provide a load transfer supplement to steel dowels which pass through the elastomers.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: March 10, 1987
    Inventor: Bernard D. Thomsen
  • Patent number: 4522531
    Abstract: A transverse concrete pavement joint cell including a pair of plastic walls abutting the edges of the concrete joints. A seamless drainage gutter extends longitudinally between said plastic walls to the edges of the pavement. Blocks of compressible elastomers between said plastic walls absorb expansion of the concrete. The cell includes a base and stabilizing ties secured to a conventional dowel bar assembly.
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: June 11, 1985
    Inventors: Bernard D. Thomsen, Kenneth L. Thomsen