Patents by Inventor Dooyeong KWAK

Dooyeong KWAK 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: 11898777
    Abstract: An air cleaner may include a housing including a first housing having a discharge outlet through which air is discharged outside of the air cleaner, and a second housing including a suction inlet through which air is suctioned from outside of the air cleaner, and a filter assembly accommodated inside of the housing and that filters air. The first housing and the second housing may be spaced apart from each other, and the filter assembly may be replaceable through a space between the first housing and the second housing.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: February 13, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangjin Park, Dooyeong Kwak, Naehyun Park
  • Publication number: 20220186950
    Abstract: An air cleaner may include a housing including a first housing having a discharge outlet through which air is discharged outside of the air cleaner, and a second housing including a suction inlet through which air is suctioned from outside of the air cleaner, and a filter assembly accommodated inside of the housing and that filters air. The first housing and the second housing may be spaced apart from each other, and the filter assembly may be replaceable through a space between the first housing and the second housing.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 16, 2022
    Inventors: Sangjin Park, Dooyeong Kwak, Naehyun Park
  • Publication number: 20220184542
    Abstract: A portable air purifier is provided that may include a fan module disposed between a suction opening and a discharge opening, a filter disposed between the suction opening and the fan module, and a lighting portion disposed between the discharge opening and the fan module.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 16, 2022
    Inventors: Gyeongho KIM, Sangjin Park, Jae Woo Kim, Dooyeong Kwak
  • Publication number: 20220184540
    Abstract: An air cleaner includes: a housing including a suction portion suctioning air and a discharge portion discharging air, a frame disposed inside the housing, a sterilizer sterilizing the suctioned air, a filter assembly filtering air, a blower moving air, a flow converter disposed on a top surface of the housing, guiding a flow of air, and discharging air inside the housing to an outside, and a guide guiding a direction of the flow converter. The sterilizer includes a sterilizing light source generating sterilizing light, a first sterilizing casing accommodating the sterilizing light source, and a second sterilizing casing coupled to a lower portion of the first sterilizing casing and supporting the first sterilizing casing and the sterilizing light source, where a portion of the first sterilizing casing is spaced apart from the second sterilizing casing to define a space therebetween that dissipates heat generated from the sterilizing light source.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 16, 2022
    Inventors: Sangjin PARK, Dooyeong KWAK, Naehyun PARK