Patents by Inventor Gary Loftin

Gary Loftin 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 polymer based cartridge case having an overmolded metal cup, polymer plug base assembly
    Patent number: 7213519
    Abstract: A cup and plug assembly of a base for a polymer based ammunition cartridge case body includes a cylindrical sleeve joined to the base. The base includes a plug molded over a cup. The cup includes a first annular cup portion extending in a first direction from a web formed therein and a second annular cup portion extending in a second direction from the web opposite to the first direction. The plug having a first annular portion that completely encompasses an outer circumferential surface of the cup and a second annular portion that extends from the first annular portion. The second annular portion of the plug completely covering an inner surface of the first annular cup portion of the cup. The cup preferably being formed from a metal or a suitable non-metal and the plug being formed from a suitable polymer that is injection molded over the cup.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: May 8, 2007
    Assignee: Polytech Ammunition Company
    Inventors: Sy Wiley, William E. Rembert, III, Gary Loftin
  • Composite polymer based cartridge case having an overmolded metal cup, polymer plug base assembly
    Publication number: 20060075919
    Abstract: A cup and plug assembly of a base for a polymer based ammunition cartridge case body includes a cylindrical sleeve joined to the base. The base includes a plug molded over a cup. The cup includes a first annular cup portion extending in a first direction from a web formed therein and a second annular cup portion extending in a second direction from the web opposite to the first direction. The plug having a first annular portion that completely encompasses an outer circumferential surface of the cup and a second annular portion that extends from the first annular portion. The second annular portion of the plug completely covering an inner surface of the first annular cup portion of the cup. The cup preferably being formed from a metal or a suitable non-metal and the plug being formed from a suitable polymer that is injection molded over the cup.
    Type: Application
    Filed: October 24, 2005
    Publication date: April 13, 2006
    Inventors: Sy Wiley, William Rembert, Gary Loftin