Patents by Inventor Joseph Castiglioni

Joseph Castiglioni 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: 4437513
    Abstract: Apparatus for recovering heat comprising an encapsulating outer wrapping having near opposite ends an air discharge opening and an opening adapted to receive an air intake blowing device; an inner corrugated galvanized sheet metal flue core; and two semi-circular baffles mounted in valleys of the inner core corrugations.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: March 20, 1984
    Inventors: Joseph Castiglioni, Paul Rosenthal