Patents by Inventor John Davis Sink

John Davis Sink 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: 10221662
    Abstract: A submersible well fluid system for operating submerged in a body of water may include an electric machine and a fluid end. The electric machine includes a rotor and a stator residing in a first housing at specified conditions. The fluid end may include an impeller and be coupled to the electric machine. The submersible well fluid system may also include an adjustable speed drive for the electric machine in the housing. The submersible well fluid system may also include a chemical distribution system for supplying treatment chemicals to the submersible well fluid system, a barrier fluid supply system for supplying a barrier fluid to the submersible well fluid system, and a pressure management system.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: March 5, 2019
    Assignee: FMC Technologies, Inc.
    Inventors: Christopher E. Cunningham, Eduardo Cardoso, Timothy Bartlett, Paulo Guedes-Pinto, Co Si Huynh, Robert Perry, John Davis Sink
  • Publication number: 20160145980
    Abstract: A submersible well fluid system for operating submerged in a body of water may include an electric machine and a fluid end. The electric machine includes a rotor and a stator residing in a first housing at specified conditions. The fluid end may include an impeller and be coupled to the electric machine. The submersible well fluid system may also include an adjustable speed drive for the electric machine in the housing. The submersible well fluid system may also include a chemical distribution system for supplying treatment chemicals to the submersible well fluid system, a barrier fluid supply system for supplying a barrier fluid to the submersible well fluid system, and a pressure management system.
    Type: Application
    Filed: March 13, 2014
    Publication date: May 26, 2016
    Applicant: FMC Technologies, Inc.
    Inventors: Christopher E. Cunningham, Eduardo Cardoso, Timothy Bartlett, Paulo Guedes-Pinto, Co Si Huynh, Robert Perry, John Davis Sink