Patents by Inventor Fu Yu Chen

Fu Yu Chen 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).

  • Brush structure for vacuum cleaner
    Patent number: 7140062
    Abstract: A brush structure includes a rotation bar, a plurality of brush strips, a plurality of fixing blocks, and a driving block mounted on the rotation bar to rotate the rotation bar. Thus, the helical groove is extended through the whole length of each of the two arc-shaped plates of the rotation bar, so that each of the two brush strips is extended through the whole length of each of the two arc-shaped plates of the rotation bar without interruption, thereby enhancing the cleaning effect of each of the two brush strips.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: November 28, 2006
    Inventor: Fu Yu Chen