Patents by Inventor Hongzhang Han

Hongzhang Han 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).

  • Patent number: 11525264
    Abstract: A method for covering a roof, the method comprising (i) providing first and second silicone membranes, where the membranes are in the form of rolls; (ii) unrolling the first and second silicone membranes over a roof surface; (iii) positioning first and second membranes adjacent to one another and overlapping and edge of the second over an adjacent edge of the first membrane to thereby form a lap; (iv) securing the first and second membranes to the roof surface; and (v) seaming the first membrane to the second membrane in the lap.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: December 13, 2022
    Assignee: Holcim Technology Ltd
    Inventors: Arthur J. Tselepis, Hongzhang Han
  • Publication number: 20200011061
    Abstract: A method for covering a roof, the method comprising (i) providing first and second silicone membranes, where the membranes are in the form of rolls; (ii) unrolling the first and second silicone membranes over a roof surface; (iii) positioning first and second membranes adjacent to one another and overlapping and edge of the second over an adjacent edge of the first membrane to thereby form a lap; (iv) securing the first and second membranes to the roof surface; and (v) seaming the first membrane to the second membrane in the lap.
    Type: Application
    Filed: September 16, 2019
    Publication date: January 9, 2020
    Inventors: Arthur J. TSELEPIS, Hongzhang HAN
  • Publication number: 20180016404
    Abstract: Silicone membranes and methods of manufacturing membranes are provided.
    Type: Application
    Filed: July 14, 2017
    Publication date: January 18, 2018
    Inventors: Arthur James Tselepis, Hongzhang Han