Patents by Inventor Lun Qiu

Lun Qiu 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).

  • Riser assembly and method
    Patent number: 9074427
    Abstract: A riser assembly and method for transporting fluids from a sub-sea location are disclosed. The riser assembly includes a riser comprising at least one segment of flexible pipe; at least one buoyancy element for providing a positive buoyancy to a portion of the riser; and a tethering element for tethering the buoyancy element to a fixed structure and to resist the positive buoyancy of the buoyancy element.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: July 7, 2015
    Assignee: GE Oil & Gas UK Limited
    Inventors: Zhimin Tan, Yanqiu Zhang, Lun Qiu
  • SOLID OXIDE FUEL CELL SYSTEM
    Publication number: 20130292129
    Abstract: A riser assembly (400) and method for transporting fluids from a sub-sea location (404) are disclosed. The riser (406) assembly includes a riser comprising at least one segment of flexible pipe; at least one buoyancy element (408) for providing a positive buoyancy to a portion of the riser; and a tethering element (410) for tethering the buoyancy element to a fixed structure (412) and to resist the positive buoyancy of the buoyancy element.
    Type: Application
    Filed: October 25, 2011
    Publication date: November 7, 2013
    Applicant: WELLSTREAM INTERNATIONAL LIMITED
    Inventors: Zhimin Tan, Yanqiu Zhang, Lun Qiu