Patents by Inventor Qingming Feng

Qingming Feng 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).

  • Construction material with improved strength and water resistance and methods of forming the same
    Patent number: 11267755
    Abstract: The invention is directed to a mine tailing and fly ash containing construction material having improved compressive strength and water resistance. The mine tailing and fly ash containing material includes mine tailing, fly ash, an alkali solution comprising sodium hydroxide and, optionally, calcium hydroxide, and water. The invention further provides a geopolymerization method of forming a mine tailing and fly ash containing construction material.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: March 8, 2022
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
    Inventors: Jinhong Zhang, Qingming Feng
  • CONSTRUCTION MATERIAL WITH IMPROVED STRENGTH AND WATER RESISTANCE AND METHODS OF FORMING THE SAME
    Publication number: 20210214276
    Abstract: The invention is directed to a mine tailing and fly ash containing construction material having improved compressive strength and water resistance. The mine tailing and fly ash containing material includes mine tailing, fly ash, an alkali solution comprising sodium hydroxide and, optionally, calcium hydroxide, and water. The invention further provides a geopolymerization method of forming a mine tailing and fly ash containing construction material.
    Type: Application
    Filed: February 16, 2017
    Publication date: July 15, 2021
    Inventors: Jinhong Zhang, Qingming Feng
  • Fly ash-containing construction material with improved strength and water resistance and methods of forming the same
    Patent number: 11040912
    Abstract: The invention is directed to a fly ash containing construction material having improved strength and water resistance. The fly ash containing material includes fly ash, an alkali solution comprising sodium hydroxide, and water. The invention further provides a geopolymerization method of forming a fly ash containing material.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: June 22, 2021
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
    Inventors: Jinhong Zhang, Qingming Feng
  • FLY ASH-CONTAINING CONSTRUCTION MATERIAL WITH IMPROVED STRENGTH AND WATER RESISTANCE AND METHODS OF FORMING THE SAME
    Publication number: 20180312438
    Abstract: The invention is directed to a fly ash containing construction material having improved strength and water resistance. The fly ash containing material includes fly ash, an alkali solution comprising sodium hydroxide, and water. The invention further provides a geopolymerization method of forming a fly ash containing material.
    Type: Application
    Filed: October 14, 2016
    Publication date: November 1, 2018
    Applicant: ARIZONA BOARD OF REGENTS ON BEHALF OF THE University of Arizona
    Inventors: Jinhong Zhang, Qingming Feng