Patents by Inventor Dongryol JANG

Dongryol JANG 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).

  • Lifter
    Patent number: 11613450
    Abstract: A lifter is disclosed. The disclosed lifter comprises: a frame; a motor part coupled to the frame; a drum rotatably coupled to the motor part and including a plurality of winding parts formed at regular intervals along the rotary shaft direction; and a plurality of wires coupled to be wound on the plurality of winding parts, respectively. Ends of the plurality of wires at one side thereof may be connected to the plurality of winding parts, respectively, and other ends of the plurality of wires may be detachably fixed to a ceiling.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dongryol Jang, Kangsuk Lee, Jeongdoo Jang
  • PUNCHING ASSISTANT DEVICE
    Publication number: 20210039222
    Abstract: Disclosed is a punching assistant device. The punching assistant device includes: a first shaft arranged perpendicular to a working surface; a second shaft perpendicularly coupled to the first shaft; and a grinder mounting member coupled to the second shaft, wherein the grinder mounting member is rotatable around the first shaft.
    Type: Application
    Filed: January 2, 2019
    Publication date: February 11, 2021
    Inventors: Dongryol JANG, Jeongdoo JANG, Wonho CHO
  • LIFTER
    Publication number: 20210017004
    Abstract: A lifter is disclosed. The disclosed lifter comprises: a frame; a motor part coupled to the frame; a drum rotatably coupled to the motor part and including a plurality of winding parts formed at regular intervals along the rotary shaft direction; and a plurality of wires coupled to be wound on the plurality of winding parts, respectively. Ends of the plurality of wires at one side thereof may be connected to the plurality of winding parts, respectively, and other ends of the plurality of wires may be detachably fixed to a ceiling.
    Type: Application
    Filed: February 11, 2019
    Publication date: January 21, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dongryol JANG, Kangsuk LEE, Jeongdoo JANG