Patents by Inventor Sam Armitage

Sam Armitage 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).

  • Aerial cable and tension clamp assembly
    Patent number: 6085008
    Abstract: An assembly comprising a self supporting aerial cable and tension clamp means including gripping means for gripping the cable, the gripping means comprising at least one helically wound rod fitted over the cable's outer sheath, wherein ##EQU1## where C is the outer diameter of the cable, R is the diameter of the or each rod and W.sub.R is the outer diameter of the unstressed winding of the or each rod.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: July 4, 2000
    Assignee: Pirelli General plc
    Inventors: Ralph Sutehall, Sam Armitage, Martin Vincent Davies