Patents by Inventor Jon McCollister

Jon McCollister 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).

  • Weld bead electrode for producing same and method of use
    Patent number: 4717536
    Abstract: Weld bead analysis and electrode capable of producing same, which in multiple pass welding of thick steel plates, results in fine grain structure and high impact strength. The analysis includes as necessary ingredients, titanium, nitrogen and chromiumwith a maximum limitation on auminum, if present. The electrode contains titanium and chromium. The welding is in air and the titanium picks up nitrogen from the air and carries it into the weld bead as micro particulates of titanium nitride, which forms nucleation points for commencing fine grain growth.
    Type: Grant
    Filed: January 24, 1986
    Date of Patent: January 5, 1988
    Assignee: The Lincoln Electric Company
    Inventors: Chang-Shung Chai, Jon McCollister