Patents by Inventor Kyu-Seob Ahn

Kyu-Seob Ahn 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).

  • NON-CONTACT TYPE WATER LEVEL CONTROL APPARATUS
    Publication number: 20090229683
    Abstract: A water level control apparatus including: at least one capacitive sensor attached to an outer surface of a sidewall of a tank for storing water, the capacitive sensor sensing a capacitance change depending on whether water stored in the tank exists or not at the location where the capacitive sensor is attached; and a controller controlling an amount of water to be supplied to the tank according to the capacitance change sensed by the capacitive sensor.
    Type: Application
    Filed: July 11, 2007
    Publication date: September 17, 2009
    Applicant: WOONGIN COWAY CO., LTD
    Inventors: Ju-Hyun Baek, Kyu-Seob Ahn