Patents by Inventor Shyang-Hua Lu

Shyang-Hua Lu 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).

  • Vertical well for fluid circulation
    Publication number: 20070151908
    Abstract: The present invention provides a vertical well for fluid circulation. The vertical well comprises a separation wall for splitting said vertical well into an inlet tunnel and an outlet tunnel, a connection tunnel in the bottom of said vertical well for interconnecting said inlet tunnel and said outlet tunnel, and a air leakage system laid at the bottom of said vertical well for providing air flow to said outlet tunnel.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 5, 2007
    Inventors: Shyang-Hua Lu, Yu-Hua Lu