Patents by Inventor Mark Attwell

Mark Attwell 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 installation and aerial cable suspension device therefor
    Patent number: 7049507
    Abstract: An aerial cable installation having an aerial cable suspended from a suspension point through a suspension device. This device has a clamp having two saddle members engaging the cable on diametrically opposite sides thereof and a plurality of nut and bolt assemblies extending through aligned holes in flanges of said saddle members for resiliently biasing the saddle members toward each other to clamp against the cable with a selected clamping force. To this end, each nut and bolt assembly includes a helical spring mounted on the bolt thereof between said flanges and the nut of the assembly and the springs are compressed a predetermined amout which is adjustable by tightening or loosening said assemblies.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: May 23, 2006
    Assignee: Pirelli General plc
    Inventors: Ralph Sutehall, Jason Pedder, Mark Attwell
  • Aerial cable installation and aerial cable suspension device therefor
    Publication number: 20030234114
    Abstract: An aerial cable installation having an aerial cable suspended from a suspension point through a suspension device. This device has a clamp having two saddle members engaging the cable on diametrically opposite sides thereof and a plurality of nut and bolt assemblies extending through aligned holes in flanges of said saddle members for resiliently biasing the saddle members toward each other to clamp against the cable with a selected clamping force. To this end, each nut and bolt assembly includes a helical spring mounted on the bolt thereof between said flanges and the nut of the assembly and the springs are compressed a predetermined amout which is adjustable by tightening or loosening said assemblies.
    Type: Application
    Filed: July 11, 2003
    Publication date: December 25, 2003
    Inventors: Ralph Sutehall, Jason Pedder, Mark Attwell