Patents by Inventor Li-Shang Wu

Li-Shang Wu 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).

  • Publication number: 20040016049
    Abstract: A bacteria removing cleaner comprises a water-stopping control unit and a nozzle means. A plurality of conduits are used for transferring water. The water-stopping control unit has a rotary switch, a main body and a water-stop control valve for controlling the water inlet and water stopping. The main body is spaced into a water outlet space and a water inlet space. A water-stop control valve is installed at the interface of the water inlet space and the water outlet space. The top end of the water-stop control valve is connected to the rotary switch. The water-stop control valve is utilized to control water flow. By rotating a rotary switch, a washing time can be controlled effectively. Moreover, the bacteria removing cleaner is capable of being assembled to a stool rapidly and quickly. Thereby, the lifetime is prolonged.
    Type: Application
    Filed: July 25, 2002
    Publication date: January 29, 2004
    Inventors: Tien-Yu Wu, Sung-Seng Lu, Li-Shang Wu
  • Patent number: 6681411
    Abstract: A bacteria removing cleaner comprises a water-stopping control unit and a nozzle means. A plurality of conduits are used for transferring water. The water-stopping control unit has a rotary switch, a main body and a water-stop control valve for controlling the water inlet and water stopping. The main body is spaced into a water outlet space and a water inlet space. A water-stop control valve is installed at the interface of the water inlet space and the water outlet space. The top end of the water-stop control valve is connected to the rotary switch. The water-stop control valve is utilized to control water flow. By rotating a rotary switch, a washing time can be controlled effectively. Moreover, the bacteria removing cleaner is capable of being assembled to a stool rapidly and quickly. Thereby, the lifetime is prolonged.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: January 27, 2004
    Inventors: Tien-Yu Wu, Sung-Seng Lu, Li-Shang Wu