Patents by Inventor Andrew W. Phelps

Andrew W. Phelps 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-inhibiting coating
    Patent number: 7537663
    Abstract: A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The process includes the application of two sequential aqueous baths. The first bath contains a precursor zinc compound while the second bath contains a reducing agent to deposit the zinc directly upon the steel or cast iron.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: May 26, 2009
    Assignee: University of Dayton
    Inventors: Andrew W. Phelps, Jeffrey A. Sturgill
  • Corrosion-inhibiting coating
    Publication number: 20040231754
    Abstract: A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The process includes the application of two sequential aqueous baths. The first bath contains a precursor zinc compound while the second bath contains a reducing agent to deposit the zinc directly upon the steel or cast iron.
    Type: Application
    Filed: June 23, 2004
    Publication date: November 25, 2004
    Inventors: Andrew W. Phelps, Jeffrey A. Sturgill
  • Corrosion-inhibiting coating
    Patent number: 6818313
    Abstract: A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The process includes the application of two sequential aqueous baths. The first bath contains a precursor zinc compound while the second bath contains a reducing agent to deposit the zinc directly upon the steel or cast iron.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: November 16, 2004
    Assignee: University of Dayton
    Inventors: Andrew W. Phelps, Jeffrey A. Sturgill
  • CORROSION-INHIBITING COATING
    Publication number: 20040016363
    Abstract: A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The process includes the application of two sequential aqueous baths. The first bath contains a precursor zinc compound while the second bath contains a reducing agent to deposit the zinc directly upon the steel or cast iron.
    Type: Application
    Filed: July 24, 2002
    Publication date: January 29, 2004
    Inventors: Andrew W. Phelps, Jeffrey A. Sturgill