Patents by Inventor Davis J. Knauer

Davis J. Knauer 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).

  • Corrosion resistant lead alloy for lead-acid batteries
    Patent number: 6114067
    Abstract: Corrosion resistant lead alloy metal for use in the battery grid of a lead acid battery. The alloy includes calcium in an amount greater than 0.06% and also includes copper.The alloy improves the life of the battery and also aids the manufacturing process by more quickly reaching the required strength for the manufacturing processes.
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: September 5, 2000
    Assignee: East Penn Manufacturing Company, Inc.
    Inventor: Davis J. Knauer
  • Pocket separator for electric storage battery plates
    Patent number: 5558952
    Abstract: A pocket separator which contains positive or negative plates in an electric storage battery, which has a closed bottom, left and right sides, and an open top. The pocket is formed of a porous separator sheet, with the facing inner surfaces of the pocket having a plurality of continuous vertical ribs, and a plurality of short, inclined ribs at the side edges, with a plurality of broken vertical ribs in the center, which engage a positive or negative plate in the pocket.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: September 24, 1996
    Assignee: East Penn Mfg. Co.
    Inventor: Davis J. Knauer