Patents by Inventor Thomas C. Harrison

Thomas C. Harrison 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).

  • Manufacture of steel products
    Patent number: 4298406
    Abstract: A process for the production of welded mesh suitable for the reinforcement of concrete. Rod exiting from the finishing stand of a hot mill is superficially cooled in a water quench to an equalization temperature of between 300.degree. C. and 700.degree. C. The rod is then further cooled in air to temper the bainitic or martensitic outer surface layer so produced, and is then arranged to form a mesh and welded at the overlaps. No drawing or mechanical working of the rod takes place between cooling and forming the mesh.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: November 3, 1981
    Assignee: British Steel Corporation
    Inventors: Malcolm Brownlee, Thomas C. Harrison