Patents by Inventor Doo-gyun Lee

Doo-gyun Lee 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: 6553581
    Abstract: The object of this invention is to provide a toilet and an odor exhausting apparatus for such toilets, designed to quickly suck odor from the toilet bowl to a chimney pot installed on the rooftop during defecation or urination so as to quickly expel the odor into the atmosphere outside a house. In the apparatus, the seat (3) has a cavity (1d), a plurality of odor suction ports (1f), a tubular hinge joint (2) and an odor outlet port (1e). A connection pipe (6), having an inlet port (6a), is set within the hinge joint (2). A seat cover (8) is coupled to the connection pipe (6) through a toothed engagement. A tubular shaft (7), having an inlet port (7a), is rotatably set within the connection pipe (6), and communicates with the atmosphere outside the house through a pipeline (12). When the cover (8) is closed, the port (7a) is closed by the sidewall of the connection pipe (6).
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: April 29, 2003
    Inventor: Doo-gyun Lee