Patents by Inventor Ling-Lea Chen

Ling-Lea 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).

  • Patent number: 6286572
    Abstract: A shock-absorbing safety wheel includes a rim, a hub at the center of the rim and connected by a plurality of spring plates and radial support, and a solid tire slidably mounted on the outer periphery of the rim and secured by a pair of rim shields. It is characterized that the spring plates provide shock-absorbing function to the wheel and the tire is made of solid rubber which will not become flat, which eliminates the need to carry a spare wheel.
    Type: Grant
    Filed: November 4, 2000
    Date of Patent: September 11, 2001
    Inventor: Ling-Lea Chen