Patents by Inventor Wulong X. Xu

Wulong X. Xu 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: 20130034721
    Abstract: A roofing system comprising a thermal insulation foam layer which is applied onto a roof deck, and a mortar layer, wherein the thermal insulation foam layer is between the roof deck and the mortar layer. The mortar layer is made of a mortar composition, which could achieve the ratio of compressive strength to bending strength is less than 3 while keeping the bending strength larger than 7 MPa.
    Type: Application
    Filed: April 21, 2010
    Publication date: February 7, 2013
    Inventors: Yanyan Wang, Wulong X. Xu, Liang Zhang, Loganathan Ravisanker, Hari Parvatareddy