Patents by Inventor Robert S. Alwitt

Robert S. Alwitt 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).

  • Electrically conductive anodized aluminum coatings
    Patent number: 6228241
    Abstract: A process for producing anodized aluminum with enhanced electrical conductivity, comprising anodic oxidation of aluminum alloy substrate, electrolytic deposition of a small amount of metal into the pores of the anodized aluminum, and electrolytic anodic deposition of an electrically conductive oxide, including manganese dioxide, into the pores containing the metal deposit; and the product produced by the process.
    Type: Grant
    Filed: July 23, 1999
    Date of Patent: May 8, 2001
    Assignee: Boundary Technologies, Inc.
    Inventors: Robert S. Alwitt, Yanming Liu
  • Electrolyte capacitors
    Patent number: 4031436
    Abstract: An electrolyte composition for electrolytic capacitors consisting essentially of a salt of a slilcotungstatic or silicomolybdic acid in a polar organic solvent and having a pH of from about 5.0 to about 7.2; and a capacitor containing said composition.
    Type: Grant
    Filed: May 9, 1975
    Date of Patent: June 21, 1977
    Assignee: United Chemi-Con, Inc.
    Inventor: Robert S. Alwitt