Patents by Inventor Theodore D. Jayne

Theodore D. Jayne 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).

  • Process of forming multi piece vaporizable pattern for foundry castings
    Patent number: 4240492
    Abstract: A casting process is disclosed including the steps of fabricating a multi-piece pattern from cellular plastic material, assembling the pieces to form a pattern, coating the pattern with a magnesium silicate ceramic coating and imbedding the pattern in dry, loose sand within a box or flask. The box includes a plurality of perforated side walls and a sprue is connected to the pattern.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: December 23, 1980
    Assignee: Nibco, Inc.
    Inventors: Robert B. Edwards, Theodore D. Jayne