Patents by Inventor Ronald S. W. Knighton

Ronald S. W. Knighton 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).

  • Reversible roofing panel and method for making a roofing panel
    Patent number: 6519905
    Abstract: A roofing system (10) adapted to be supported on a support surface (18), the system including a plurality of panels (14) arranged in partially overlapping relation to form a roof, the panels each having first (42) and second (44) side edges, an upper (26) and lower (30) surfaces providing a series of barrels (46) and pans (50), a first side region (83) defining a portion of a barrel and a first cylindrical mating surface (82), and a second-side region (66) defining a portion of a pan and a second cylindrical mating surface, the panels being arranged in overlapping relation so that the first and second mating surfaces are sealingly engaged.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: February 18, 2003
    Inventor: Ronald S. W. Knighton