Patents by Inventor J. H. Wu

J. H. 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).

  • Sunshade curtain device
    Patent number: 6276430
    Abstract: A sunshade curtain device has a main shaft, a positioning device, a first movable device, a second movable device, a third movable device, a bobbin, and a rope. A curtain fabric surrounds the main shaft. The main shaft is disposed on a lower edge of a window. A lower end of the positioning device is disposed on the lower edge of the window. The first movable device engages with the positioning device. The second movable device engages with the first movable device. The third movable device engages with the second movable device.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: August 21, 2001
    Inventors: J. H. Wu, Yih-Wenn Luo