Patents by Inventor Sheng Shyan Yang

Sheng Shyan Yang 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).

  • Complex cooling fan with increased cooling capacity
    Patent number: 6318964
    Abstract: A complex cooling fan includes an upper fan including an upper fan and a lower fan, the upper fan including a first cylindrical body, a plurality of first blades extending outwardly from the cylindrical shell body, and a cylindrical collar extending downwardly from the first cylindrical shell body, the cylindrical collar having a smaller diameter than the first cylindrical shell body, a lower edge of the first cylindrical shell body being formed with a positioning notch, and a lower fan including a second cylindrical shell body and a plurality of second blades extending outwardly from the second cylindrical shell body, the second cylindrical shell body having same outer diameter as the first cylindrical shell body and having an upper edge formed with a protuberance configured to engage with the positioning notch of the first cylindrical shell body, an inner diameter of the second cylindrical shell body having same size as an outer diameter of the cylindrical collar, the cylindrical collar being fitted into th
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: November 20, 2001
    Inventor: Sheng Shyan Yang