Patents by Inventor Larry K. Seal

Larry K. Seal 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).

  • Composite shots and methods of making
    Patent number: 5831188
    Abstract: Methods of making high specific gravity shotgun shot and small arms projectiles from melts containing primarily tungsten and iron, and particularly including specific melting temperature depressants and using specific quenching both compositions are described and specific conditions and materials and methods for making high specific gravity shot pellets and projectiles by powder metallurgical techniques are described.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: November 3, 1998
    Assignee: Teledyne Industries, Inc.
    Inventors: Darryl D. Amick, John C. Haygarth, Lloyd Fenwick, Larry K. Seal
  • Composite shot
    Patent number: 5527376
    Abstract: Shot pellet or small arms projectile comprises 40-60% by weight of tungsten and 60-40% by weight of iron formed by sintering tungsten containing powders having median particle sizes below 6 microns to form a material consisting primary of an intermetallic compound of tungsten and iron or of a metal matrix of iron surrounding tungsten containing particles.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: June 18, 1996
    Assignee: Teledyne Industries, Inc.
    Inventors: Darryl D. Amick, John C. Haygarth, Lloyd Fenwick, Larry K. Seal