Patents by Inventor Tien-Bao Yeh

Tien-Bao Yeh 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: 20100021294
    Abstract: A fan structure is disclosed to include a fan holder holding a fan motor and a fan blade, a bottom cover frame, which has smoothly arched bottom wall, a horizontal mounting flange extending around the smoothly arched bottom wall and mounted in one frame sash of a light steel structure of a ceiling, a vertical connection flange connected to the top cover shell of the fan holder, a circular center opening corresponding to the fan blade, ventilation holes spaced around the circular center opening and a fence disposed above the circular center opening and surrounding the fan blade defining with the top cover shell of the fan holder a space for causing a gate effect during rotation of the fan blade, and a grille mounted in the circular center opening of the bottom cover shell for output of currents of air caused by the fan blade.
    Type: Application
    Filed: July 28, 2008
    Publication date: January 28, 2010
    Inventor: Tien-Bao YEH
  • Patent number: D672449
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: December 11, 2012
    Inventor: Tien-Bao Yeh