Patents by Inventor Dae Gwan CHO

Dae Gwan CHO 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: 9222848
    Abstract: Provided is a leakage detection device using siphon principle. The leakage detection device includes a water level measuring tube that has a closed lower end portion and includes a first inflow port through which leakage water flows, a water collection tank that accommodates the water level measuring tube, a discharging pipe that includes a first inducing pipe vertically disposed in the water level measuring tube, a connecting pipe extended from an upper end portion of the first inducing pipe through a sidewall of the water level measuring tube, and a second inducing pipe extended from one end portion of the connecting pipe to a lower side of the water collection tank, a lower end portion of the second inducing pipe being disposed lower in position than a lower end portion of the first inducing pipe, and a water level measurer that detects a level of the leakage water flowed into the water level measuring tube.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: December 29, 2015
    Assignee: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.
    Inventor: Dae Gwan Cho
  • Publication number: 20140007673
    Abstract: Provided is a leakage detection device using siphon principle. The leakage detection device includes a water level measuring tube that has a closed lower end portion and includes a first inflow port through which leakage water flows, a water collection tank that accommodates the water level measuring tube, a discharging pipe that includes a first inducing pipe vertically disposed in the water level measuring tube, a connecting pipe extended from an upper end portion of the first inducing pipe through a sidewall of the water level measuring tube, and a second inducing pipe extended from one end portion of the connecting pipe to a lower side of the water collection tank, a lower end portion of the second inducing pipe being disposed lower in position than a lower end portion of the first inducing pipe, and a water level measurer that detects a level of the leakage water flowed into the water level measuring tube.
    Type: Application
    Filed: June 20, 2013
    Publication date: January 9, 2014
    Inventor: Dae Gwan CHO