Patents by Inventor Un Hwa Chung

Un Hwa Chung 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: 10653287
    Abstract: The present disclosure relates to a rotary mop cleaner. The rotary mop cleaner includes: a ball joint provided at a lower end of a stick and having a pair of engagement projections extending outwards from both side ends thereof; a rotary plate drive unit configured to rotate a rotary plate; a body configured to accommodate a lower hemisphere of the ball joint and having guide grooves configured to allow a pair of engagement projections to be inserted therein in order to ensure the rotation of the ball joint; a ball cover configured to cover an upper hemisphere of the ball joint; and a rotary plate bolted to the rotary shaft of the rotary plate drive unit, which extends to the lower portion of the body, so as to be movable relative thereto with a clearance therebetween.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 19, 2020
    Assignee: HONORS CO., LTD.
    Inventor: Un Hwa Chung
  • Publication number: 20190099052
    Abstract: The present disclosure relates to a rotary mop cleaner. The rotary mop cleaner includes: a ball joint provided at a lower end of a stick and having a pair of engagement projections extending outwards from both side ends thereof; a rotary plate drive unit configured to rotate a rotary plate; a body configured to accommodate a lower hemisphere of the ball joint and having guide grooves configured to allow a pair of engagement projections to be inserted therein in order to ensure the rotation of the ball joint; a ball cover configured to cover an upper hemisphere of the ball joint; and a rotary plate bolted to the rotary shaft of the rotary plate drive unit, which extends to the lower portion of the body, so as to be movable relative thereto with a clearance therebetween.
    Type: Application
    Filed: March 16, 2018
    Publication date: April 4, 2019
    Inventor: Un Hwa CHUNG
  • Patent number: D795518
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: August 22, 2017
    Inventor: Un Hwa Chung
  • Patent number: D871321
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: December 31, 2019
    Assignee: HONORS CO., LTD.
    Inventor: Un Hwa Chung