Patents by Inventor Young Ku SUNWOO

Young Ku SUNWOO 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).

  • Controller for hoist capable of multi-stage speed control and hoist including the same controller
    Patent number: 10850955
    Abstract: Disclosed herein is a controller of a hoist. The controller of a hoist includes a lift up button which is adjustable in a pressed degree; a lift down button which is adjustable in a pressed degree; lift up button contacts configured to allow ascending direction control power to flow to a motor when the lift up button is pressed; lift down button contacts configured to be in contact when the lift down button is pressed and allow descending direction control power to flow to the motor; a magnet accommodated in each of the lift up button and the lift down button; and a Hall sensor disposed to detect a descending degree of the magnet accommodated in each of the lift up button and the lift down button.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: December 1, 2020
    Assignee: DAESAN INOTEC INC.
    Inventors: Young Ku Sunwoo, Sung Woo Woo
  • Controller for hoist capable of multi-speed control and hoist including the same controller
    Patent number: 10781088
    Abstract: Disclosed herein is a controller of a hoist. The controller of the hoist includes a lift up button which is adjustable in a pressed degree; a lift down button which is adjustable in a pressed degree; a lift up switch disposed below the lift up button so as to be immediately operated when the lift up button is pressed; a lift down switch disposed below the lift down button so as to be immediately operated when the lift down button is pressed; a magnet body connected to both of the lift up button and the lift down button and disposed to descend during a pressing operation of the lift up button or the lift down button; and a Hall sensor disposed to correspond to the magnet body so as to detect a descending degree of the magnet body being pressed by the lift up button or the lift down button.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: September 22, 2020
    Assignee: DAESAN INOTEC INC.
    Inventors: Young Ku Sunwoo, Si Kyung Kim
  • CONTROLLER FOR HOIST CAPABLE OF MULTI-STAGE SPEED CONTROL AND HOIST INCLUDING THE SAME CONTROLLER
    Publication number: 20200255268
    Abstract: Disclosed herein is a controller of a hoist. The controller of a hoist includes a lift up button which is adjustable in a pressed degree; a lift down button which is adjustable in a pressed degree; lift up button contacts configured to allow ascending direction control power to flow to a motor when the lift up button is pressed; lift down button contacts configured to be in contact when the lift down button is pressed and allow descending direction control power to flow to the motor; a magnet accommodated in each of the lift up button and the lift down button; and a Hall sensor disposed to detect a descending degree of the magnet accommodated in each of the lift up button and the lift down button.
    Type: Application
    Filed: September 23, 2019
    Publication date: August 13, 2020
    Applicant: DAESAN INOTEC INC.
    Inventors: Young Ku SUNWOO, Sung Woo WOO
  • CONTROLLER FOR HOIST CAPABLE OF MULTI-SPEED CONTROL AND HOIST INCLUDING THE SAME CONTROLLER
    Publication number: 20200180921
    Abstract: Disclosed herein is a controller of a hoist. The controller of the hoist includes a lift up button which is adjustable in a pressed degree; a lift down button which is adjustable in a pressed degree; a lift up switch disposed below the lift up button so as to be immediately operated when the lift up button is pressed; a lift down switch disposed below the lift down button so as to be immediately operated when the lift down button is pressed; a magnet body connected to both of the lift up button and the lift down button and disposed to descend during a pressing operation of the lift up button or the lift down button; and a Hall sensor disposed to correspond to the magnet body so as to detect a descending degree of the magnet body being pressed by the lift up button or the lift down button.
    Type: Application
    Filed: September 23, 2019
    Publication date: June 11, 2020
    Applicant: DAESAN INOTEC INC.
    Inventors: Young Ku SUNWOO, Si Kyung KIM