Patents by Inventor Willard J. Springer

Willard J. Springer 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).

  • Electrocoating aluminum sheet or strip
    Patent number: 4007102
    Abstract: This invention generally relates to the electrocoating of metal products and in particular is directed to the treatment of continuous aluminum sheet or strip to form a chromium phosphate type conversion coating thereon, subsequently electrocoating the sheet or strip, applying a top coat and then curing both the electrocoated film and the top coat. The electrocoated sheet or strip exhibits superior coating adhesion.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: February 8, 1977
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: Willard J. Springer, Bruce A. Baker, Jr.
  • Composition control of an electrocoating bath
    Patent number: 3935085
    Abstract: This invention relates to a method of controlling the composition of an electrocoating bath, and, in particular, the neutralization agent content of such a bath wherein the electrocoating current is sensed and in accordance therewith a particular amount of ultrafilter permeate is discarded.
    Type: Grant
    Filed: March 6, 1974
    Date of Patent: January 27, 1976
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: Jr. Baker, Willard J. Springer