Patents by Inventor Hak Cheon LEE

Hak Cheon LEE 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).

  • Auxiliary battery and auxiliary battery rental device
    Patent number: 11423472
    Abstract: The present invention relates to an auxiliary battery and an auxiliary battery rental device, and the auxiliary battery rental device according to the present invention comprises: a battery port allowing an auxiliary battery to be discharged therefrom or returned thereto; a battery queue in which auxiliary batteries are vertically stacked and loaded; a carrier for discharging an auxiliary battery loaded in the battery queue to the battery port, or loading an auxiliary battery returned to the battery port in the battery queue; a lift for lifting at least some of the auxiliary batteries loaded in the battery queue; a charging unit for charging at least some of the auxiliary batteries loaded in the battery queue; and a control unit for controlling an operation of the rental device such that lending and returning operations of the auxiliary batteries are automatically performed.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: August 23, 2022
    Assignee: LIBERGON, INC.
    Inventors: Joon Hwan Kim, Joon Ho Lim, Hak Cheon Lee, Eui Hwan Choi
  • AUXILIARY BATTERY AND AUXILIARY BATTERY RENTAL DEVICE
    Publication number: 20200219178
    Abstract: The present invention relates to an auxiliary battery and an auxiliary battery rental device, and the auxiliary battery rental device according to the present invention comprises: a battery port allowing an auxiliary battery to be discharged therefrom or returned thereto; a battery queue in which auxiliary batteries are vertically stacked and loaded; a carrier for discharging an auxiliary battery loaded in the battery queue to the battery port, or loading an auxiliary battery returned to the battery port in the battery queue; a lift for lifting at least some of the auxiliary batteries loaded in the battery queue; a charging unit for charging at least some of the auxiliary batteries loaded in the battery queue; and a control unit for controlling an operation of the rental device such that lending and returning operations of the auxiliary batteries are automatically performed.
    Type: Application
    Filed: July 23, 2018
    Publication date: July 9, 2020
    Applicant: LIBERGON, INC.
    Inventors: Joon Hwan KIM, Joon Ho LIM, Hak Cheon LEE, Eui Hwan CHOI