Patents by Inventor Hunghing Chu

Hunghing Chu 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: 7331069
    Abstract: A water-saving flush toilet is disclosed. A discharge seal valve is arranged at a sewage discharge port, a discharge seal valve together with a valve cover are arranged at a valve seat. A water tap handle at the lower of the bowl is provided with a lever, a cord is connected between a handle of the valve cover and the lever via a joint of the bowl. The lever is also connected to another cord that is connected to a weight via said two joints. The upper of the bowl is arranged with a water channel and a sprinkler head, an open of said water channel connected to the water tap at the lower of the bowl via a connecting plastic tube, water pipes are arranged respectively at the upper and the lower of the bowl without any water tank.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: February 19, 2008
    Inventor: Hunghing Chu
  • Publication number: 20050155143
    Abstract: This present invention relates to a water-saving flush toilet, comprising a bowl having a seat and a sewage discharge port, a siphon pipe is omitted at the rear of a sewage discharge pipe of the bowl. A discharge seal valve is arranged at the sewage discharge port, the discharge seal valve together with a valve cover are arranged at a valve seat. A water tap handle at the lower of the bowl is provided with a lever, a cord is connected between a handle of the valve cover and a joint of the bowl. Said cord is connected to hang a weight via another joint of the bowl. Another end of the lever is connected to another cord and also connected to said weight via said two joints. The upper of the bowl is arranged with a water channel and a sprinkler head, an open of said water channel connected to the water tap at the lower of the bowl via a connecting plastic tube, water pipes are arranged respectively at the upper and the lower of the bowl without any water tank.
    Type: Application
    Filed: September 30, 2004
    Publication date: July 21, 2005
    Inventor: Hunghing Chu