Patents by Inventor Hwajin Lim

Hwajin Lim 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: 10973381
    Abstract: A vacuum cleaner according to an aspect includes a case defining a dust collecting space in which dust is stored and having a boss, a dust container cover rotatably connected to the case and configured to open/close the dust collecting space, and an opening/closing part configured to open the dust container cover, wherein the dust container cover has a cover locker having a rib caught by the boss, the opening/closing part includes a pair of push parts installed in the case and elastically deformed by a user, and the rib is spaced apart from the boss as the cover locker is deformed while the pair of push parts are moved in a direction in which the push parts become closer to each other.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: April 13, 2021
    Assignee: LG Electronics Inc.
    Inventors: Hwajin Lim, Seongho Park, Youngho Kim
  • Patent number: 10912437
    Abstract: A handle for a cleaner according to the present disclosure includes: an extension tube connector that is connected to an extension tube; an air flow pipe that communicates with the extension tube connector to transfer air and dusts that is received from the extension tube connector; a grip part that is to be held by a user; and a grip part connector that connects the extension tube connector and the grip part to each other and is rotated with respect to the air flow pipe, wherein the grip part is rotated together with the grip part connector and the extension tube connector, and the grip part is rotated with respect to the central line of the extension tube connector.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: February 9, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jinwoo Lee, Gunho Ha, Hwajin Lim, Hyeonjeong An, Bohyun Nam, Namhee Kim, Sehwan Bae
  • Patent number: 10575692
    Abstract: A vacuum cleaner includes a cleaner main body, a suction device, a suction motor, and a dust container. The dust container includes a dust collection body configured to contain dust, an opening/closing portion rotatably coupled to the dust collection body and configured to rotate to thereby open and close at least a portion of the dust collection body, and an operation portion connected to the dust collection body and configured to rotate in both a first direction and a second direction opposite the first direction. The opening/closing portion is configured to rotate based on the operation portion rotating in the first direction, and configured to rotate based on the operation portion rotating in the second direction.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: March 3, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hwajin Lim, Seongho Park, Youngho Kim
  • Patent number: 10285554
    Abstract: Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body including a suction motor for generating a suction force, a suction part communicating with the cleaner body to suction air and dusts, a battery disposed in the cleaner body or suction part to supply a power to the suction motor, and a cleaner connector disposed on the cleaner body or the suction part, a charger including a charger connector separably connected to the cleaner connector to charge the battery, and a disconnection member disposed on the cleaner body or the suction part to selectively connect or disconnect the cleaner connector to or from the battery.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: May 14, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Gunho Ha, Hwajin Lim, Changhoon Lee
  • Publication number: 20180368643
    Abstract: A handle for a cleaner according to the present disclosure includes: an extension tube connector that is connected to an extension tube; an air flow pipe that communicates with the extension tube connector to transfer air and dusts that is received from the extension tube connector; a grip part that is to be held by a user; and a grip part connector that connects the extension tube connector and the grip part to each other and is rotated with respect to the air flow pipe, wherein the grip part is rotated together with the grip part connector and the extension tube connector, and the grip part is rotated with respect to the central line of the extension tube connector.
    Type: Application
    Filed: December 21, 2016
    Publication date: December 27, 2018
    Inventors: Jinwoo LEE, Gunho HA, Hwajin LIM, Hyeonjeong AN, Bohyun NAM, Namhee KIM, Sehwan BAE
  • Publication number: 20180084963
    Abstract: A vacuum cleaner according to an aspect includes a case defining a dust collecting space in which dust is stored and having a boss, a dust container cover rotatably connected to the case and configured to open/close the dust collecting space, and an opening/closing part configured to open the dust container cover, wherein the dust container cover has a cover locker having a rib caught by the boss, the opening/closing part includes a pair of push parts installed in the case and elastically deformed by a user, and the rib is spaced apart from the boss as the cover locker is deformed while the pair of push parts are moved in a direction in which the push parts become closer to each other.
    Type: Application
    Filed: September 15, 2017
    Publication date: March 29, 2018
    Inventors: Hwajin LIM, Seongho PARK, Youngho KIM
  • Publication number: 20170347850
    Abstract: A vacuum cleaner includes a cleaner main body, a suction device, a suction motor, and a dust container. The dust container includes a dust collection body configured to contain dust, an opening/closing portion rotatably coupled to the dust collection body and configured to rotate to thereby open and close at least a portion of the dust collection body, and an operation portion connected to the dust collection body and configured to rotate in both a first direction and a second direction opposite the first direction. The opening/closing portion is configured to rotate based on the operation portion rotating in the first direction, and configured to rotate based on the operation portion rotating in the second direction.
    Type: Application
    Filed: June 2, 2017
    Publication date: December 7, 2017
    Inventors: Hwajin LIM, Seongho PARK, Youngho KIM
  • Patent number: 9655489
    Abstract: Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body including a suction motor for generating a suction force, a suction part communicating with the cleaner body to suction air and dusts, a battery disposed in the cleaner body or suction part to supply a power to the suction motor, and a cleaner connector disposed on the cleaner body or the suction part, a charger including a charger connector separably connected to the cleaner connector to charge the battery, and a disconnection member disposed on the cleaner body or the suction part to selectively connect or disconnect the cleaner connector to or from the battery.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: May 23, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Gunho Ha, Hwajin Lim, Changhoon Lee
  • Publication number: 20160287043
    Abstract: Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body including a suction motor for generating a suction force, a suction part communicating with the cleaner body to suction air and dusts, a battery disposed in the cleaner body or suction part to supply a power to the suction motor, and a cleaner connector disposed on the cleaner body or the suction part, a charger including a charger connector separably connected to the cleaner connector to charge the battery, and a disconnection member disposed on the cleaner body or the suction part to selectively connect or disconnect the cleaner connector to or from the battery.
    Type: Application
    Filed: June 13, 2016
    Publication date: October 6, 2016
    Inventors: Gunho HA, Hwajin Lim, Changhoon Lee
  • Publication number: 20150320284
    Abstract: Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body including a suction motor for generating a suction force, a suction part communicating with the cleaner body to suction air and dusts, a battery disposed in the cleaner body or suction part to supply a power to the suction motor, and a cleaner connector disposed on the cleaner body or the suction part, a charger including a charger connector separably connected to the cleaner connector to charge the battery, and a disconnection member disposed on the cleaner body or the suction part to selectively connect or disconnect the cleaner connector to or from the battery.
    Type: Application
    Filed: May 11, 2015
    Publication date: November 12, 2015
    Inventors: Gunho Ha, Hwajin Lim, Changhoon Lee
  • Publication number: 20150320283
    Abstract: Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body including a suction motor for generating a suction force, a suction part communicating with the cleaner body to suction air and dusts, and a battery assembly disposed on the cleaner body or the suction part to supply a power to the suction motor. The battery assembly includes a plurality of battery cells and a support device supporting the plurality of battery cells so that the plurality of battery cells are spaced apart from each other.
    Type: Application
    Filed: April 28, 2015
    Publication date: November 12, 2015
    Inventors: Changhoon LEE, Hwajin Lim, Gunho Ha
  • Publication number: 20150320285
    Abstract: The vacuum cleaner includes a cleaner body comprising a suction motor for generating a suction force, a suction part that communicates with the cleaner body to suction air and dusts, a battery disposed in the cleaner body or the suction part to supply a power to the suction motor, a charger separably connected to the cleaner body or the suction part to charge the battery, and a voltage regulator regulating a voltage between an output terminal of the charger and the suction motor so that a voltage outputted from the charger is greater than that inputted into the suction motor.
    Type: Application
    Filed: May 11, 2015
    Publication date: November 12, 2015
    Inventors: Changhoon LEE, Hwajin LIM, Gunho HA