Patents by Inventor Chen-Tai Chien

Chen-Tai Chien 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).

  • Plastic ceiling board with fire extinguishing and heat insulating functions background of the invention
    Publication number: 20040250487
    Abstract: A plastic ceiling board includes a hollow plastic body having an open front side and an open rear side, the hollow plastic body having an interior divided into a plurality of longitudinal chambers having an open front end and an open rear end, each of the longitudinal chambers being filled with liquid fire distinguishing material, a first plastic strip engaged with the front side of the hollow plastic body, and a second plastic strip engaged with the rear side of the hollow plastic body, whereby the plastic ceiling board can provide sufficient time for people to escape for a fire and alleviate the heat of summer.
    Type: Application
    Filed: June 11, 2003
    Publication date: December 16, 2004
    Inventor: Chen-Tai Chien