Patents by Inventor Wen-Cai Syu

Wen-Cai Syu 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: 20040111822
    Abstract: A steam vacuum cleaner comprising a vacuum cleaner and a steam mechanism, the present invention inhales dust and small particles, at the same time injects high temperature steam to soft and loose heavy stain and stubborn dirt for detailed cleaning and sterilization purpose.
    Type: Application
    Filed: December 14, 2002
    Publication date: June 17, 2004
    Inventor: Wen-Cai Syu