Patents by Inventor Bai-Hsin Lee

Bai-Hsin Lee 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).

  • Polyurethane foam shock absorber
    Publication number: 20040094880
    Abstract: A PU foam shock absorber in accordance with the present invention is composed of a tube (10), a resilient core (11) mounted inside the tube (10) and a cap. The resilient core (11) is made of PU foam to absorb and to buffer shock. Additionally, the resilient core (11) may be selectively divided into multiple sections of different density and hardness to adjust the damping coefficient of the shock absorber.
    Type: Application
    Filed: November 18, 2002
    Publication date: May 20, 2004
    Inventor: Bai-Hsin Lee