Patents by Inventor Tsao-Shin Chen

Tsao-Shin 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).

  • Filtering device for a portable beverage container
    Publication number: 20050051476
    Abstract: A filtering device for a portable beverage bottle has a cap with a suction tube adapted to detachably mount on an opening of the beverage bottle, and at least one filter element detachably secured below the cap. The at least one filter element is accommodated inside the portable beverage to purify water conveniently. Additionally, a movable hat is attached on the suction tube to selectively close or open the filtering device.
    Type: Application
    Filed: September 10, 2003
    Publication date: March 10, 2005
    Inventors: Tsao-Shin Chen, Yung-Chi Chen