Patents by Inventor Youngkyun Koh

Youngkyun Koh 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: 9003841
    Abstract: A lock assembly for a lever type handle is disclosed. In the lock assembly for the lever type handle according to an aspect to the invention, the lever type handle is for opening and closing a door by a rotation of a handle portion. The lock assembly includes a key module rotated by a key member, wherein the key module being positioned in the handle portion, a rotary shaft rotated by a rotation of the key module and locking or unlocking the door through a dead lock member, and a rotation transmitter for transmitting the rotation of the key module to the rotary shaft.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: April 14, 2015
    Inventor: Youngkyun Koh
  • Publication number: 20140130557
    Abstract: A lock assembly for a lever type handle is disclosed. In the lock assembly for the lever type handle according to an aspect to the invention, the lever type handle is for opening and closing a door by a rotation of a handle portion. The lock assembly includes a key module rotated by a key member, wherein the key module being positioned in the handle portion, a rotary shaft rotated by a rotation of the key module and locking or unlocking the door through a dead lock member, and a rotation transmitter for transmitting the rotation of the key module to the rotary shaft.
    Type: Application
    Filed: May 31, 2012
    Publication date: May 15, 2014
    Inventor: Youngkyun Koh