Patents by Inventor Murray Graeme Wright

Murray Graeme Wright 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).

  • Grapple
    Patent number: 11059708
    Abstract: A grapple for mounting to a boom of a boom crane includes a body member for mounting to the end of a boom of a boom crane including a first wing member and a second wing member and opposing first and second jaw members. Each jaw is hingably coupled to the body member, and hinges with respect to the body member by the action of a hydraulic cylinder. A first end of the hydraulic cylinder is coupled to the jaw member and a second end of the hydraulic cylinder is coupled to a portion of one of the wing members. The first and second wing members extend to position the second end of each hydraulic cylinder rearward of an end of the boom of the boom crane or a coupling between the body member and the boom of the boom crane.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: July 13, 2021
    Assignee: S E C Engineering and Design Limited
    Inventors: Grant Dyson Colbran, Murray Graeme Wright, Huu Nam Le
  • Grapple
    Publication number: 20200331736
    Abstract: A grapple for mounting to a boom of a boom crane includes a body member for mounting to the end of a boom of a boom crane including a first wing member and a second wing member and opposing first and second jaw members. Each jaw is hingably coupled to the body member, and hinges with respect to the body member by the action of a hydraulic cylinder. A first end of the hydraulic cylinder is coupled to the jaw member and a second end of the hydraulic cylinder is coupled to a portion of one of the wing members. The first and second wing members extend to position the second end of each hydraulic cylinder rearward of an end of the boom of the boom crane or a coupling between the body member and the boom of the boom crane.
    Type: Application
    Filed: October 8, 2018
    Publication date: October 22, 2020
    Inventors: Grant Dyson Colbran, Murray Graeme Wright, Huu Nam Le