Patents by Inventor Thomas L. Ingersoll

Thomas L. Ingersoll 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: 4924039
    Abstract: A cooled cord reel is provided for use with an electrical appliance. The cord reel includes a hub, a pair of cord retaining flanges mounted on the hub, a terminal block mounted in the hub and an electrical cord coiled on the hub and between the retaining flanges. Apertures are provided on the cord retaining flanges to permit cooling air flowing inwardly into the coiled cord and outwardly through it. The cord reel, additionally, has apertures in the cylindrical surface of its hub and slots through the terminal block to permit cooling air from within the hub to flow outwardly through the slots of the terminal block and the apertures of the hub.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: May 8, 1990
    Assignee: The Hoover Company
    Inventors: Gregg A. McAllise, Thomas L. Ingersoll