Patents by Inventor Thomas E. Yost

Thomas E. Yost 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).

  • Tool having an attached working surface
    Patent number: 6536308
    Abstract: A tool comprised of two or more components each composed of differing materials with one component being less dense and the other component having working surface characteristics. The first component may be made of a titanium alloy.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: March 25, 2003
    Assignee: Sturm, Ruger & Company, In.
    Inventors: John K. Thorne, Thomas E. Yost, Philip M. Maier, Mark R. Martinez
  • Method of producing a pattern mold
    Patent number: 6180047
    Abstract: An injection mold for forming a pattern for use in investment casting having mold sections carrying two pattern-forming surfaces and a translatable third pattern-forming element movable on a mold section. The mold also includes an inner core. Parting lines are located at inconspicuous locations by sizing and shaping the mold sections. The method of use of the injection mold includes employing an arrangement for facilitating lower mold section and for raising the inner core to facilitate its removal.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: January 30, 2001
    Assignee: Sturm, Ruger & Company, Inc.
    Inventors: Thomas E. Yost, Paul N. Latulippe, Jr.
  • Injection mold apparatus for producing a pattern
    Patent number: 5908643
    Abstract: An injection mold for forming a pattern for use in investment casting having mold sections carrying two pattern-forming surfaces and a translatable third pattern-forming element movable on a mold section. The mold also includes an inner core. Parting lines are located at inconspicuous locations by sizing and shaping the mold sections. The method of use of the injection mold includes employing an arrangement for facilitating lower mold section and for raising the inner core to facilitate its removal.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: June 1, 1999
    Assignee: Sturm, Ruger & Company, Inc.
    Inventors: Thomas E. Yost, Paul N. Latulippe, Jr.