Patents by Inventor Dallas L. Greenwood

Dallas L. Greenwood 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).

  • Well containment device
    Patent number: 9632512
    Abstract: A device for containment of fluid escaping from a pipe, comprising a can having a surrounding wall and a bottom: The bottom is formed of bottom segments that combine to form a bottom opening with a bottom inward facing sealing surface for sealing against the pipe. The surrounding wall is formed of wall segments that combine to form an enclosure defining an interior of the can. The drain further comprises a drain opening exposed to the interior of the can. The can may include fluid level sensors that activate a suction pump.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: April 25, 2017
    Assignee: Katch Kan Holdings Ltd.
    Inventors: Quinn A. J. Holtby, Dallas L. Greenwood
  • WELL CONTAINMENT DEVICE
    Publication number: 20140360593
    Abstract: A device for containment of fluid escaping from a pipe, comprising a can having a surrounding wall and a bottom: The bottom is formed of bottom segments that combine to form a bottom opening with a bottom inward facing sealing surface for sealing against the pipe. The surrounding wall is formed of wall segments that combine to form an enclosure defining an interior of the can. The drain further comprises a drain opening exposed to the interior of the can. The can may include fluid level sensors that activate a suction pump.
    Type: Application
    Filed: June 10, 2014
    Publication date: December 11, 2014
    Inventors: Quinn A.J. Holtby, Dallas L. Greenwood