Patents by Inventor Malcolm Graham Stedman Gray-Stephens

Malcolm Graham Stedman Gray-Stephens 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: 10883322
    Abstract: A portable apparatus for vertically positioning tubulars in a mousehole of a drilling rig includes a main body housing a winch and an anchor point. The main body is configured to be radially aligned with the mousehole. The apparatus also includes a float assembly which is suspended within the mousehole below the main body and a cable wound onto the winch. The cable extends downward into the mousehole traversing the mousehole at the float assembly and then extends upward to and attached to the anchor point on the main body.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: January 5, 2021
    Assignee: FRANK'S INTERNATIONAL, LLC
    Inventors: Malcolm Graham Stedman Gray-Stephens, Dougal Brown
  • Publication number: 20200149359
    Abstract: A portable apparatus for vertically positioning tubulars in a mousehole of a drilling rig includes a main body housing a winch and an anchor point. The main body is configured to be radially aligned with the mousehole. The apparatus also includes a float assembly which is suspended within the mousehole below the main body and a cable wound onto the winch. The cable extends downward into the mousehole traversing the mousehole at the float assembly and then extends upward to and attached to the anchor point on the main body.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 14, 2020
    Inventors: Malcolm Graham Stedman Gray-Stephens, Dougal Brown