Patents by Inventor Steven CRITCHARD

Steven CRITCHARD 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).

  • Powerline interface communication
    Patent number: 11750244
    Abstract: A subsea system, a communication system for determining operation of at least one subsea actuator member, and apparatus for controlling one or more valves are disclosed. The subsea system comprises at least one auxiliary equipment and/or valve actuator module; and at least one modem unit that receives power signals; wherein the auxiliary equipment is responsive to an output provided by the modem unit.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: September 5, 2023
    Assignee: Baker Hughes Energy Technology UK Limited
    Inventors: Steven Critchard, Julian Davis
  • POWERLINE INTERFACE COMMUNICATION
    Publication number: 20210119669
    Abstract: A subsea system, a communication system for determining operation of at least one subsea actuator member, and apparatus for controlling one or more valves are disclosed. The subsea system comprises at least one auxiliary equipment and/or valve actuator module; and at least one modem unit that receives power signals; wherein the auxiliary equipment is responsive to an output provided by the modem unit.
    Type: Application
    Filed: February 27, 2019
    Publication date: April 22, 2021
    Inventors: Steven CRITCHARD, Julian DAVIS