Patents by Inventor Warren Ackroyd

Warren Ackroyd 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).

  • Subsurface safety valve and method of operating a subsurface safety valve
    Patent number: 12110762
    Abstract: A subsurface safety valve that includes an assembly configured to convert rotary motion from an electrically controlled drive into linear motion of a member. The member is configured to actuate a valve and to decompress an elastic member upon loss of a signal to the electrically controlled drive, and to compress the elastic member when the electrically controlled drive receives a signal.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: October 8, 2024
    Assignee: Expro North Sea Limited
    Inventor: Warren Ackroyd
  • SUBSURFACE SAFETY VALVE AND METHOD OF OPERATING A SUBSURFACE SAFETY VALVE
    Publication number: 20220298887
    Abstract: A subsurface safety valve is provided. The subsurface safety valve includes an assembly configured to convert rotary motion from an electrically controlled drive into linear motion of a member, the member configured to actuate a valve.
    Type: Application
    Filed: September 9, 2020
    Publication date: September 22, 2022
    Inventor: Warren Ackroyd
  • Slip connector for use with coiled tubing
    Patent number: 6481498
    Abstract: A coiled tubing slip connector for connection to the end of coiled tubing to be inserted into a well bore. The connector provides both rigid connection to withstand impact and torsional forces encountered within a well bore and yet permits disconnection from the tubing without damaging the connector. Hence, the connector may be reused.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: November 19, 2002
    Assignee: Tuboscope I/P
    Inventors: Warren Ackroyd, Robert Parker