Patents by Inventor Alan Ford Fothergill

Alan Ford Fothergill 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).

  • Threaded connection including an intermediate shoulder
    Patent number: 11493154
    Abstract: A threaded tubular connection comprises a first tubular component and a second tubular component. The first tubular component includes a female portion defined on an interior surface of the first tubular component. The female portion includes an inner threaded portion and an outer threaded portion which are offset radially with respect to a longitudinal axis of the first tubular component by a first shoulder. The second tubular component includes a male portion defined on an exterior surface of the second tubular component. The male portion is to be inserted into the female portion, and includes an inner threaded portion and an outer threaded portion which are offset radially with respect to a longitudinal axis of the second tubular component by a second shoulder. The second shoulder is to abut the first shoulder once the male portion is connected to the female portion.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: November 8, 2022
    Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATION
    Inventors: Daly Daly, Alan Ford Fothergill, Sebastien Roger Claude Villert
  • THREADED CONNECTION INCLUDING AN INTERMEDIATE SHOULDER
    Publication number: 20170167641
    Abstract: A threaded tubular connection comprises a first tubular component and a second tubular component. The first tubular component includes a female portion defined on an interior surface of the first tubular component. The female portion includes an inner threaded portion and an outer threaded portion which are offset radially with respect to a longitudinal axis of the first tubular component by a first shoulder. The second tubular component includes a male portion defined on an exterior surface of the second tubular component. The male portion is to be inserted into the female portion, and includes an inner threaded portion and an outer threaded portion which are offset radially with respect to a longitudinal axis of the second tubular component by a second shoulder. The second shoulder is to abut the first shoulder once the male portion is connected to the female portion.
    Type: Application
    Filed: December 11, 2015
    Publication date: June 15, 2017
    Applicants: VALLOUREC OIL AND GAS FRANCE, Nippon Steel & Sumitomo Metal Corporation
    Inventors: Daly DALY, Alan Ford Fothergill, Sebastien Roger Claude VILLERT