Patents by Inventor James N. Tuttle, Jr.

James N. Tuttle, Jr. 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).

  • Patent number: 5723183
    Abstract: The invention is the chemical composition and method for forming a chemical conversion coating on ferrous metal surfaces and subsequent coloring of said conversion coating through the application of a water-soluble dye. The conversion coating has an ordered crystalline structure composed of ferrous oxalate or other ferrous dicarboxylates. The conversion coating can be colored through the application of a water-soluble reactive dye which bonds with Fe (II) within the ferrous dicarboxylate matrix, bound to the dicarboxylate molecules, thereby becoming water insoluble and permanent. When sealed with an appropriate rust preventive top coat, the result is an attractive and protective finish of minimal thickness which can be applied through simple immersion process techniques. Said finish can serve as a final protective finish on a fabricated ferrous metal article and also affords a degree of lubricity for assembly, break-in purposes, or anti-galling protection and serves as an adhesive base for paint.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: March 3, 1998
    Assignee: Birchwood Laboratories, Inc.
    Inventors: Richard K. Williams, David J. Halverson, James N. Tuttle, Jr.
  • Patent number: 4897129
    Abstract: A process for improving the corrosion resistance of an iron or steel part having a phosphate conversion coating, said method comprising contact of said part with a solution containing ions selected from the group of cobalt ions and nickel ions. Preferably, the solution also containing stannous ions. Contact may be by immersion or spraying.
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: January 30, 1990
    Assignee: The LEA Manufacturing Company
    Inventors: James N. Tuttle, Jr., Olyn P. Jaboin
  • Patent number: 4749417
    Abstract: A process for improving the corrosion resistance of an iron or steel part having a phosphate conversion coating, said method comprising contact of said part with a solution containing ions selected from the group of cobalt ions and nickel ions. Preferably, the solution also contains stannous ions. Contact may be by immersion or spraying.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: June 7, 1988
    Assignee: The Lea Manufacturing Company
    Inventors: James N. Tuttle, Jr., Olyn P. Jaboin
  • Patent number: 4673445
    Abstract: A process for improving the corrosion resistance of an iron or steel part having a phosphate conversion coating, said method comprising contact of said part with a solution containing ions selected from the group of cobalt ions and nickel ions. Preferably, the solution also contains stannous ions. Contact may be by immersion or spraying.
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: June 16, 1987
    Assignee: The LEA Manufacturing Company
    Inventors: James N. Tuttle, Jr., Olyn P. Jaboin