Patents by Inventor Clifford N. Lilley

Clifford N. Lilley 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: 10739014
    Abstract: An appliance comprising a firebox, a first air duct and a room air chimney. During operation of the appliance heated room air adjacent to a viewing pane or the screen and heated room air from the first air duct is received within the chimney. The heated air within the chimney rises toward an open upper end causing the chimney to draw additional room air from adjacent to the viewing pane or screen.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: August 11, 2020
    Assignee: Wolf Steel Ltd.
    Inventors: Wolfgang Schroeter, David Shulver, Richard Tjart, Clifford N. Lilley
  • Publication number: 20180245793
    Abstract: An appliance comprising a firebox, a first air duct and a room air chimney. During operation of the appliance heated room air adjacent to a viewing pane or the screen and heated room air from the first air duct is received within the chimney. The heated air within the chimney rises toward an open upper end causing the chimney to draw additional room air from adjacent to the viewing pane or screen.
    Type: Application
    Filed: February 23, 2018
    Publication date: August 30, 2018
    Inventors: Wolfgang Schroeter, David Shulver, Richard Tjart, Clifford N. Lilley
  • Patent number: 4662349
    Abstract: This invention relates to a barbecue grill, and in particular to a high pressure gas fired barbecue grill having perforated ceramic heating elements which emit infrared radiation. A pair of steel rods are suspended in a cast aluminum housing, and a pair of plenum chambers are suspended therebetween. The upper surfaces of each plenum chamber comprises a pair of perforated rectangular ceramic blocks separated by an imperforate metal plate. The bottom of the housing is open, and has a tray carried proximate the opening for food particles.
    Type: Grant
    Filed: August 7, 1985
    Date of Patent: May 5, 1987
    Assignee: Dart Industries Inc.
    Inventors: Stuart T. McKenzie, Clifford N. Lilley