Patents by Inventor Liang Hai

Liang Hai 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).

  • Fan blade assembly and method of assembling
    Patent number: 6652236
    Abstract: A fan blade assembly includes a mounting arm having a first end adapted to engage a fan rotor and a second end adapted to receive a fan blade. At least two mounting posts are disposed on the second end of the mounting arm and a fan blade has apertures for receive the mounting posts. A clamp plate has apertures with a receiving portion and a retaining portion. The receiving portion is adapted to receive the mounting posts and the clamp plate is movable to a securing position where the retaining portions engages with the mounting posts to secure the clamp plate and fan blade to the mounting arm.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: November 25, 2003
    Assignee: Hoo Cheung Group Ltd.
    Inventor: Liang Hai