Patents by Inventor Minkyu KO

Minkyu KO 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).

  • Dish washer and water softener for dish washer
    Patent number: 11986143
    Abstract: A water softener for a dishwasher includes a tank body having a regeneration tank that accommodates brine, an exchange tank that accommodates an ion exchange resin, and a flow path configured to supply water to the regeneration tank and the exchange tank. The water softener further includes a regeneration inlet in communication with the regeneration tank, an exchange inlet in communication with the exchange tank, and a switching valve mounted at the tank body and configured to open and close the regeneration inlet and the exchange inlet to switch the flow path. The switching valve includes a head configured to open and close the regeneration inlet and the exchange inlet. A sealing protrusion protrudes toward the head from a circumference of the regeneration inlet and is configured to contact the head to seal the regeneration inlet.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: May 21, 2024
    Assignee: LG Electronics Inc.
    Inventors: Jinhong Kim, Minkyu Ko
  • DISH WASHER AND WATER SOFTENER FOR DISH WASHER
    Publication number: 20220240748
    Abstract: A water softener for a dishwasher includes a tank body having a regeneration tank that accommodates brine, an exchange tank that accommodates an ion exchange resin, and a flow path configured to supply water to the regeneration tank and the exchange tank. The water softener further includes a regeneration inlet in communication with the regeneration tank, an exchange inlet in communication with the exchange tank, and a switching valve mounted at the tank body and configured to open and close the regeneration inlet and the exchange inlet to switch the flow path. The switching valve includes a head configured to open and close the regeneration inlet and the exchange inlet. A sealing protrusion protrudes toward the head from a circumference of the regeneration inlet and is configured to contact the head to seal the regeneration inlet.
    Type: Application
    Filed: February 1, 2022
    Publication date: August 4, 2022
    Inventors: Jinhong KIM, Minkyu KO