Patents by Inventor Shih Keng Yu

Shih Keng Yu 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).

  • Publication number: 20040181866
    Abstract: A stool for a movable vehicle is one for seating, it forms a vibration absorbing means on the lower portion thereof contacting a floor, the vibration absorbing means is an integrally formed rubber block member, a structure made by stacking a plurality of layers of rubber tires one over another or a vibration absorbing zone formed by laying vibration absorbing springs. By providing the vibration absorbing means on the lower portion of the stool, vibration during moving of the movable vehicle against a user seating on the stool can be alleviated or eliminated.
    Type: Application
    Filed: March 21, 2003
    Publication date: September 23, 2004
    Inventor: Shih Keng Yu