Patents by Inventor Xue Wu RAO

Xue Wu RAO 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).

  • A METHOD OF MAKING MOLDED PARTS HAVING SMOOTH SURFACE AND MOLDED PARTS MADE THEREOF
    Publication number: 20220152869
    Abstract: The invention relates to a method of making parts of construction materials by using a mold coated with multiple resin-based layers comprising at least an epoxy resin-based primer and a polyurethane resin-based demolding layer, wherein the mold can be used for multiple cycles after curing and demolding. The invention also relates to the resin-coated mold and the cured parts of construction materials having smooth surface made thereof.
    Type: Application
    Filed: January 13, 2020
    Publication date: May 19, 2022
    Inventors: Hiromitsu KOYAMA, Jing CUI, Siddharth ROY CHOWDHURY, Xue Wu RAO