Patents by Inventor Liu Mao-Huang

Liu Mao-Huang 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).

  • Patent number: 5421587
    Abstract: An improved shuttlecock for use in a badminton game is provided with a cork cap and a cone-shaped skirt which is provided with a plurality of evenly spaced stems. The stems diverges from a top end having a collar tube having more than one securing flange for securedly mounting the goal cap. A pair of integrally formed reinforcement hoops secure the stems together with a plurality of circular rings of different sizes parallelly extending downwardly from the lowerest hoop to the bottom of the skirt. A feather-like wing portion divided by a stem into left and right wing portions has a triangular wing tail. A partition area is disposed between two of the wing portions. Each left wing portion has a plurality of parallel slanted strands extending in an angle from each stem from right to left and right wing portion also has a plurality of parallel slanted strands extending in an angle from left to right from each stem.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: June 6, 1995
    Assignee: Key Luck Industrial Corporation
    Inventor: Liu Mao-Huang