Patents by Inventor John M. Schoonover

John M. Schoonover 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).

  • Method for manufacturing heat transfer element sheets for a rotary regenerative heat exchanger
    Patent number: 4553458
    Abstract: Sheets (10a,10b) of heat transfer element (12) for stacking in an element basket (50) of a rotary regenerative heat exchange are cut in such a manner that the spacing notches (24) formed in the element sheets (10a,10b) cannot nest when the element sheets are arranged in juxtaposition within an element basket (50).
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: November 19, 1985
    Assignee: The Air Preheater Company, Inc.
    Inventor: John M. Schoonover