Patents by Inventor John Arthur Dawes

John Arthur Dawes 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).

  • Subsea pressure compensation system
    Patent number: 9084358
    Abstract: A system for pressure compensation, e.g., for pressure compensation in a subsea environment, may include a fluid filled enclosure surrounding a cavity, a first pressure compensator having a first chamber and a second chamber, the first chamber being in fluid communication with the cavity, and a second pressure compensator having a third chamber and a fourth chamber, wherein the third chamber of the second pressure compensator is in fluid communication with the second chamber of the first pressure compensator.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: July 14, 2015
    Assignee: SIEMENS OIL AND GAS OFFSHORE AS
    Inventor: John Arthur Dawes
  • Subsea Pressure Compensation System
    Publication number: 20120291688
    Abstract: A system for pressure compensation, e.g., for pressure compensation in a subsea environment, may include a fluid filled enclosure surrounding a cavity, a first pressure compensator having a first chamber and a second chamber, the first chamber being in fluid communication with the cavity, and a second pressure compensator having a third chamber and a fourth chamber, wherein the third chamber of the second pressure compensator is in fluid communication with the second chamber of the first pressure compensator.
    Type: Application
    Filed: January 19, 2010
    Publication date: November 22, 2012
    Inventor: John Arthur Dawes