Patents by Inventor Sun Duck KWON

Sun Duck KWON 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).

  • AIR FILTER AND AIR PURIFIER COMPRISING SAME
    Publication number: 20230233971
    Abstract: An air purifier has an air filter including: a filter member including a plurality of filtration regions each having a plurality of vertical pleats extending in an up-down direction and side surfaces connected to be rotatable with respect to each other; and a frame having a plurality of supports for supporting the plurality of filtration regions. Each of the plurality of supports includes a groove having a shape corresponding to any one of an upper edge and a lower edge of each of the filtration regions. Each of the filtration regions is supported by the supports by at least a part of the upper edge or the lower edge being inserted into the groove.
    Type: Application
    Filed: June 21, 2021
    Publication date: July 27, 2023
    Applicant: COWAY CO., LTD.
    Inventors: Yoon Hyuck CHOI, Sung Il MOON, Jun Houng BAE, Yu Young NAM, Sun Duck KWON, Ju Hyun BAEK, Chan Jung PARK