Patents by Inventor Chin Fu Nian

Chin Fu Nian 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: 5901385
    Abstract: A dry type toilet system which includes a toilet bowl, the toilet bowl having a hinged clamping ring adapted for clamping on a rim thereof to hold a poly bag therein in an open status for collecting waste matter discharged from a person sitting on the toilet bowl, permitting used poly bag with collected waste matter to fall out of the toilet bowl through a bottom passage way in the toilet bowl, a crushing and separating unit controlled to crush waste poly bag with collected waste matter and to separate wastewater from solid waste matter, a filter tank adapted to filter waste water delivered from the crushing and separating unit, and a storage unit adapted to collect and dry solid waste matter delivered from the crushing and separating unit.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: May 11, 1999
    Inventor: Chin Fu Nian
  • Patent number: 5887290
    Abstract: A waterless toilet system includes a toilet bowl unit, the toilet bowl unit including a bowl, the bowl having a top rim and a bottom outlet, and a locating ring pivoted to the bowl and closed on the rim to hold a bag in the bowl in an opened condition for collecting waste matter discharged from the user, a crushing and separating machine disposed below the toilet bowl unit, the crushing and separating machine including a crushing container, a water separation container, and a motor, the crushing and separating machine being operated to cut waste matter received from the bowl and to separate waste water from solid waste matter, and a housing which holds the toilet bowl unit and the crushing and separating machine, the housing having a storage chamber for holding solid waste matter delivered from the crushing and separating machine, and a dryer controlled to dry collected solid waste matter.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: March 30, 1999
    Inventor: Chin Fu Nian