Patents by Inventor Frances G. Lopata

Frances G. Lopata 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).

  • Electric primer
    Patent number: 6272993
    Abstract: Electric primers for the discharge of ammunition suitable for use with small arms.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: August 14, 2001
    Assignee: R.A. Brands, LLC
    Inventors: Todd D. Cook, Dale R. Danner, John M. Dwyer, Jr., Frances G. Lopata, Diane Ronkainen, David K. Schluckebier, Robert B. Shanks, Jeffrey W. Stone, Spencer D. Wildman
  • Electric primer
    Patent number: 6131515
    Abstract: Electric primers for the discharge of ammunition suitable for use with small arms.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: October 17, 2000
    Assignee: Remington Arms Company, Inc.
    Inventors: Todd D. Cook, Dale R. Danner, John M. Dwyer, Jr., Frances G. Lopata, Diane Ronkainen, David K. Schluckebier, Robert B. Shanks, Jeffrey W. Stone, Spencer D. Wildman, David S. Wolterman
  • Lead-free primer mix
    Patent number: 5684268
    Abstract: A lead-free primer mix based on diazodinitrophenol, tetrazene, nitrocellulose, barium nitrate and at least one of PETN, aluminum and antimony sulfide exhibits performance characteristics comparable to lead styphnate compositions.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: November 4, 1997
    Assignee: Remington Arms Company, Inc.
    Inventor: Frances G. Lopata
  • Conductive primer mix
    Patent number: 5646367
    Abstract: Electrically ignitable conductive primer mixture comprising aluminum and carbon black and having reduced tetrazene, the mixture also containing lead styphnate, antimony sulfide and barium nitrate.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: July 8, 1997
    Assignee: Remington Arms Company, Inc.
    Inventors: Robert B. Shanks, Frances G. Lopata, Kevin N. Graves
  • Priming method for rimfire cartridge
    Patent number: 4689185
    Abstract: A priming method for rimfire cartridges is disclosed in which a propellant solution is disposed adjacent a centrifugally located primer material in a rimfire cartridge. The solvent is then evaporated to leave a propellant film near the primer material in order to provide slower, more uniform ignition to thereby allow use of propellant powders which would otherwise be too fast or too sensitive.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: August 25, 1987
    Assignee: Olin Corporation
    Inventors: Frances G. Lopata, George C. Mei
  • Non-toxic, non-corrosive rimfire cartridge
    Patent number: 4674409
    Abstract: This invention relates to non-toxic, non-corrosive, lead-free rimfire ammunition.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: June 23, 1987
    Assignee: Olin Corporation
    Inventors: Frances G. Lopata, George C. Mei
  • Bullet lubricant and method of coating bullets with said lubricant to reduce the leading effect thereof on the bores of firearms
    Patent number: 4465883
    Abstract: A bullet lubricant is disclosed which includes a miscible amount of low molecular weight polyethylene polymer or ethylene-vinyl acetate copolymers in a wax base. The lubricant has a melting point in excess of 180.degree. F. The lubricant is applied by first heating a bullet and the mix to a pre-determined temperature then coating the bullet and cooling the bullet to allow the lubricant to solidify.
    Type: Grant
    Filed: August 12, 1982
    Date of Patent: August 14, 1984
    Assignee: Olin Corporation
    Inventors: Frances G. Lopata, Venkataramaraj S. Urs