Patents by Inventor Terrance E. Polsfuss

Terrance E. Polsfuss 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).

  • Convection oven
    Patent number: 4032289
    Abstract: A convection oven of the rack type for treating goods, e.g., baking bread, including a rotating duct which sequentially delivers heated air to a series of ducts which distribute the heated air across the oven chamber according to a flow pattern which provides uniform treatment of the goods while maintaining the goods and the rack stationary with respect to the oven chamber.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: June 28, 1977
    Assignee: Despatch Industries, Inc.
    Inventors: David E. Johnson, Terrance E. Polsfuss