Patents by Inventor Ralph G. Davenport

Ralph G. Davenport 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: 5375387
    Abstract: A generally rectangular roofing element adapted to be positioned with other similar elements in an overlapping relation to yield a simulated slate roof covering comprising a main body portion bordered by a top edge, butt edge, leading edge and trailing edge. The leading and trailing edges extend between the top edge and the butt edge. A headlap portion is provided and is bordered by the top edge. A butt portion is also provided and is bordered by the butt edge. At least a portion of the headlap portion is substantially darker than the butt portion in the area of contact with the butt portion. The darkened portion in the area contact with the butt portion forms a substantially straight line parallel to the butt edge. The butt portion includes a series of laterally adjacent simulated shingles extending from the leading edge to the trailing edge. Each simulated shingle has an edge forming a portion of the overall butt edge.
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: December 27, 1994
    Inventor: Ralph G. Davenport
  • Patent number: 5245800
    Abstract: An end cap for an ornamental gutter comprising a top, a bottom, a front side, a rear side, an outside end wall, an inside interior wall and an inside end wall. The rear side of the end cap has a substantially smooth vertical surface and is provided with first and second areas. The front side of the end cap has an ornamental configuration corresponding to the ornamental configuration of an attached length of gutter and is also provided with first and second areas. The bottom and the top sides have substantially smooth horizontal surfaces and each are provided with first and second areas. The outside end wall has an ornamental configuration corresponding to the ornamental configuration of an attached length of gutter and is similar to the front side ornamental configuration of the end cap.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: September 21, 1993
    Inventor: Ralph G. Davenport