Patents by Inventor John E. Irving

John E. Irving 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 of constructing a cylindrical rotor assembly for a rotary regenerative heat exchanger
    Patent number: 4773145
    Abstract: A method of constructing a rotor assembly (12) for a rotary regenerative heat exchanger wherein the rotor compartment (14) is formed of a plurality of prefabricated, shop-assembled subcompartments (20) which are shipped disassembled from the central rotor post (16) for final erection in the field. The method of the present invention maximizes shop welding in the horizontal downhand position and minimizes welding in the vertical up position both in the shop and in the field.
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: September 27, 1988
    Assignee: The Air Preheater Company, Inc.
    Inventors: Roderick J. Baker, James A. Groves, Peter Hallam, John E. Irving