Patents by Inventor Il Do Park

Il Do Park 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: 9255390
    Abstract: The present invention provides a toilet purging device that ejects gas, when a switch is operated. The toilet purging device includes a pipe body that has a gas channel through the pipe body, a firing unit that includes a firing pin disposed to be longitudinally movable and a switch for moving the firing pin to the pipe body when pushed. The firing pin is coupled to the upper end of the pipe body. The toilet purging device includes a tightening cap that is thread-fastened to the top of the firing unit with a gas container therebetween and moves the gas container to be in close contact with the firing pin when turned, and a connector that is coupled to the lower end of the pipe body and inserted into a drain pipe of a toilet.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: February 9, 2016
    Assignee: MIRI CO., LTD.
    Inventor: Il Do Park
  • Publication number: 20130198943
    Abstract: The present invention provides a toilet purging device that ejects gas, when a switch is operated, with firing ready before the gas is ejected. The toilet purging device includes: pipe body that has a gas channel through the pipe body; a firing unit that includes a firing pin disposed to be longitudinally movable and a switch for moving the firing pin to the pipe body when pushed, and coupled to the upper end of the pipe body; a tightening cap that is thread-fastened to the top of the firing unit with a gas container therebetween and moves the gas container to be in close contact with the firing pin when turned; and a connector that is coupled to the lower end of the pipe body and inserted into a drain pipe of a toilet.
    Type: Application
    Filed: February 10, 2012
    Publication date: August 8, 2013
    Inventor: Il Do Park
  • Patent number: D941540
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: January 18, 2022
    Assignee: MTRI CO., LTD.
    Inventor: Il Do Park