Patents by Inventor Douglas Ramsay Norris

Douglas Ramsay Norris 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).

  • Clamp head
    Patent number: 9597780
    Abstract: A clamp head including an arched body having upper and lower faces, and opposing unequal length arms. The body further has a through aperture for a bolt or like threaded fastener extending between the upper and lower faces, the through aperture tapering outwardly through the body in the direction of the lower face. The arms comprise a reaction arm having at its distal end a curved reaction face and a clamping arm having at its distal end a curved clamping face. The curved reaction face has a first edge that is proximal to the reaction face and a second edge that is distal to the reaction face, wherein the radius of curvature of the reaction face increases in the direction of the second edge.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: March 21, 2017
    Assignee: EV IP LP
    Inventors: Neil Frank Gill, Louise Foster, Terence Williams, Douglas Ramsay Norris
  • Clamp Head
    Publication number: 20150266165
    Abstract: A clamp head including an arched body having upper and lower faces, and opposing unequal length arms. The body further has a through aperture for a bolt or like threaded fastener extending between the upper and lower faces, the through aperture tapering outwardly through the body in the direction of the lower face. The arms comprise a reaction arm having at its distal end a curved reaction face and a clamping arm having at its distal end a curved clamping face. The curved reaction face has a first edge that is proximal to the reaction face and a second edge that is distal to the reaction face, wherein the radius of curvature of the reaction face increases in the direction of the second edge.
    Type: Application
    Filed: October 1, 2012
    Publication date: September 24, 2015
    Inventors: Neil Frank Gill, Louise Foster, Terence Williams, Douglas Ramsay Norris
  • Clamp head
    Patent number: D762436
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: August 2, 2016
    Assignee: EV IP LP
    Inventors: Neil Frank Gill, Louise Foster, Terence Williams, Douglas Ramsay Norris