Patents by Inventor Chungjae RYU

Chungjae RYU 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: 11944257
    Abstract: A nozzle for a cleaner has a nozzle housing, which has a nozzle base and a drain hole for discharging water from the nozzle housing. The nozzle also has a rotary cleaning unit disposed below the nozzle housing. The rotary cleaning unit has a rotation plate that can be attached to a mop. The nozzle has a driving unit that includes a driving motor for driving the rotary cleaning unit. The nozzle also has a control board for controlling the drive motor. In addition, the nozzle has a water tank detachably mounted on an upper side of the nozzle housing. The water tank stores water and supplies the water to the rotary cleaning unit.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: April 2, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinwoo Lee, Chungjae Ryu, Jonghyun Seo
  • Publication number: 20220369889
    Abstract: A cleaner is disclosed. The cleaner according to an embodiment of the present disclosure includes a body, a rotating plate rotatably coupled to the body and including an edge portion having a predetermined height (h1) in a vertical direction, a mop coupled to a bottom surface of the rotating plate, and a blocking rib protruding downward from the body and formed along a periphery of the rotating plate, a lower end of the blocking rib being lower than an upper end of the edge portion. According to an embodiment of the present disclosure, it is possible to effectively prevent hair and the like from being introduced between the body and the rotating plate.
    Type: Application
    Filed: November 6, 2020
    Publication date: November 24, 2022
    Applicant: LG ELECTRONICS INC.
    Inventors: Jonghyun SEO, Mantae HWANG, Chungjae RYU, Jinwoo LEE
  • Publication number: 20220361724
    Abstract: A nozzle for a cleaner has a nozzle housing, which has a nozzle base and a drain hole for discharging water from the nozzle housing. The nozzle also has a rotary cleaning unit disposed below the nozzle housing. The rotary cleaning unit has a rotation plate that can be attached to a mop. The nozzle has a driving unit that includes a driving motor for driving the rotary cleaning unit The nozzle also has a control board for controlling the drive motor. In addition, the nozzle has a water tank detachably mounted on an upper side of the nozzle housing.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Applicant: LG ELECTRONICS INC.
    Inventors: Jinwoo LEE, Chungjae RYU, Jonghyun SEO
  • Patent number: 11426041
    Abstract: A nozzle for a cleaner has a nozzle housing, which has a nozzle base and a drain hole for discharging water from the nozzle housing. The nozzle also has a rotary cleaning unit disposed below the nozzle housing. The rotary cleaning unit has a rotation plate that can be attached to a mop. The nozzle has a driving unit that includes a driving motor for driving the rotary cleaning unit. The nozzle also has a control board for controlling the drive motor. In addition, the nozzle has a water tank detachably mounted on an upper side of the nozzle housing. The water tank stores water and supplies the water to the rotary cleaning unit.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: August 30, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinwoo Lee, Chungjae Ryu, Jonghyun Seo
  • Publication number: 20200029762
    Abstract: A nozzle for a cleaner has a nozzle housing, which has a nozzle base and a drain hole for discharging water from the nozzle housing. The nozzle also has a rotary cleaning unit disposed below the nozzle housing. The rotary cleaning unit has a rotation plate that can be attached to a mop. The nozzle has a driving unit that includes a driving motor for driving the rotary cleaning unit. The nozzle also has a control board for controlling the drive motor. In addition, the nozzle has a water tank detachably mounted on an upper side of the nozzle housing. The water tank stores water and supplies the water to the rotary cleaning unit.
    Type: Application
    Filed: July 29, 2019
    Publication date: January 30, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Jinwoo LEE, Chungjae RYU, Jonghyun SEO