Patents by Inventor David Bell CONNER

David Bell CONNER 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).

  • Wellbore valve assembly
    Patent number: 8893796
    Abstract: A wellbore valve assembly including a valve member which is moveable relative to the valve seat, the valve assembly being receivable in a wellbore tubing having a first end and a second end, the valve member being moveable between an open position relative to the valve seat, and a position in which the valve member is seated against the valve seat, the valve assembly including a valve member biasing device for biasing the valve member towards the open position, the valve member being operable to close in the event of a force which exceeds a predetermined value being applied in either direction relative to the direction in which the valve member biasing device acts.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: November 25, 2014
    Inventors: David Bell Conner, Amr Salama Mohamed Salem Goweily
  • WELLBORE VALVE ASSEMBLY
    Publication number: 20120305257
    Abstract: A wellbore valve assembly including a valve member which is moveable relative to the valve seat, the valve assembly being receivable in a wellbore tubing having a first end and a second end, the valve member being moveable between an open position relative to the valve seat, and a position in which the valve member is seated against the valve seat, the valve assembly including a valve member biasing device for biasing the valve member towards the open position, the valve member being operable to close in the event of a force which exceeds a predetermined value being applied in either direction relative to the direction in which the valve member biasing device acts.
    Type: Application
    Filed: March 22, 2012
    Publication date: December 6, 2012
    Inventors: David Bell CONNER, Amr Salama Mohamed Salem GOWEILY