Patents by Inventor Norman R. Beaulieu

Norman R. Beaulieu 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).

  • Outdoor coil unit for heat pump
    Patent number: 4261418
    Abstract: An outside coil unit for a heat pump is provided which includes a refrigerant coil 16 with a protective grille 26, 28, the vertical edges of the grille being held by posts 30 and 45 which are tilted outwardly at the bottom to accordingly tilt the grille outwardly at the bottom so that ice and frost buildup onthe coil is not impeded in falling off the coil during defrost cycles.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: April 14, 1981
    Assignee: Westinghouse Electric Corp.
    Inventors: Robert W. Helt, Norman R. Beaulieu