Patents by Inventor Chon-u Choe

Chon-u Choe 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).

  • Treatment apparatus for excrement of rest room
    Patent number: 7730558
    Abstract: Disclosed herein is a treatment apparatus for excrement of a rest room wherein sludge is able to be separated and incinerated via a simplified process without a vacuum drying of excrement that is transferred from a storage tank, whereby continuous treatment of excrement is possible, resulting in an increase in excrement treatment efficiency and capacity while achieving a reduction in maintenance costs. Also, in the present invention, water contained in excrement is able to be purified with a high efficiency, whereby the purified water can be reused as wash water of a toilet or directly drained without a separate post-treatment.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: June 8, 2010
    Assignee: Mirae Industrial Systems Co., Ltd.
    Inventor: Chon-u Choe
  • Treatment apparatus for excrement of rest room
    Publication number: 20070124853
    Abstract: Disclosed herein is a treatment apparatus for excrement of a rest room wherein sludge is able to be separated and incinerated via a simplified process without a vacuum drying of excrement that is transferred from a storage tank, whereby continuous treatment of excrement is possible, resulting in an increase in excrement treatment efficiency and capacity while achieving a reduction in maintenance costs. Also, in the present invention, water contained in excrement is able to be purified with a high efficiency, whereby the purified water can be reused as wash water of a toilet or directly drained without a separate post-treatment.
    Type: Application
    Filed: July 21, 2006
    Publication date: June 7, 2007
    Inventor: Chon-u Choe