Patents by Inventor Donald R. Howerton

Donald R. Howerton 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: 5335988
    Abstract: A refrigeration apparatus cabinet has an outer shell and an inner liner to define an insulation space therebetween. The shell has a deck including an enlarged opening. A conduit extends downwardly along a rear wall of the liner, with a distal end extending through the deck opening. A foil access cover is adhered to the deck about the opening to cover the opening, with the conduit extending outwardly from the space. A body of foamed-in-place insulation is provided in the space, with the access cover sealing the deck opening to prevent leakage of the foamed-in-place insulation.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: August 9, 1994
    Assignee: Whirlpool Corporation
    Inventors: Shelby A. Lynn, Donald R. Howerton
  • Patent number: 5248196
    Abstract: A refrigeration apparatus cabinet has an outer shell and an inner liner to define an insulation space therebetween. There is an opening through a wall of the liner and opening into the insulation space. An opening through a wall of the shell opens into the insulation space. A wiring harness is provided in the insulation space. The wiring harness comprises a pair of electrical plug-in connectors and a plurality of conductors extending therebetween, one connector being received in the liner wall opening and the other connector being received in the shell wall opening. Foamed-in-place insulation is provided in the insulation space, the connectors sealing the liner wall opening and the shell wall opening to prevent leakage of the foamed-in-place insulation.
    Type: Grant
    Filed: July 17, 1992
    Date of Patent: September 28, 1993
    Assignee: Whirlpool Corporation
    Inventors: Shelby A. Lynn, Edward L. Ryan, III, Donald R. Howerton, Lori A. Cook