Patents by Inventor Lingyi Wei

Lingyi Wei 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).

  • Hygienic bag and preparation thereof
    Patent number: 6123946
    Abstract: The present invention relates to a health-protective bag which contains: 30-50% by weight of rice, of which at least 30% has been soaked in an aqueous extract of a Chinese herb composition; 20-30% by weight of grain(s) selected from the group consisting of sorghum, beans, panicum miliaceum and millet, of which at least 30% by weight has been soaked in an aqueous extract of another Chinese herb composition; and 20-50% by weight of a pulverous Chinese herb composition. The present invention also provides a process for producing the said health-protective bag.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: September 26, 2000
    Inventor: Lingyi Wei