Patents by Inventor Kurn-Chul Lee

Kurn-Chul Lee 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: 9227710
    Abstract: A cylindrical underwater vehicle with a vertical end plate attached to a partially movable rudder, including a vertical end plate which is formed in a longitudinal direction of the underwater vehicle and is mounted on a circumference thereof so as to improve a control force with respect to the underwater vehicle. The cylindrical underwater vehicle with a vertical end plate attached to a partially movable rudder, including a fixed plate formed to radially extend, and a movable plate, a front end of which is rotatably mounted to the rear of the fixed plate, includes a first vertical end plate which is formed to have a regular width in a longitudinal direction of the underwater vehicle at an upper end portion of the movable plate and is mounted perpendicular to the movable plate.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: January 5, 2016
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Chul-Min Jung, Chan-Ki Kim, Kurn-Chul Lee
  • Publication number: 20140326169
    Abstract: A cylindrical underwater vehicle with a vertical end plate attached to a partially movable rudder, including a vertical end plate which is formed in a longitudinal direction of the underwater vehicle and is mounted on a circumference thereof so as to improve a control force with respect to the underwater vehicle. The cylindrical underwater vehicle with a vertical end plate attached to a partially movable rudder, including a fixed plate formed to radially extend, and a movable plate, a front end of which is rotatably mounted to the rear of the fixed plate, includes a first vertical end plate which is formed to have a regular width in a longitudinal direction of the underwater vehicle at an upper end portion of the movable plate and is mounted perpendicular to the movable plate.
    Type: Application
    Filed: June 4, 2013
    Publication date: November 6, 2014
    Inventors: Chul-Min Jung, Chan-Ki Kim, Kurn-Chul Lee