Patents by Inventor David W. Griffin

David W. Griffin 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).

  • THREADER AND RETHREADING TOOL
    Publication number: 20220143722
    Abstract: An elongated threading and rethreading tool (1) having a proximal section (2) for spinning the tool, a cylindrical distal section (3) having a cavity (7) for holding a thread-cutting die (9) and a middle section (4) for collecting debris generated during a threading process. The middle section may have at least one aperture (11) through a circumference for allowing debris to be dispersed from the tool. The distal section may have at least one aperture (6) through the circumference for inserting a set screw (10) to secure the die in the tool.
    Type: Application
    Filed: February 23, 2021
    Publication date: May 12, 2022
    Inventor: David W. Griffin
  • Combination stud chaser housing and die holder
    Patent number: D972390
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: December 13, 2022
    Inventor: David W. Griffin