Patents by Inventor Guoqing TAO

Guoqing TAO 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).

  • TWO-HANDLE DENTAL FLOSS HOLDER
    Publication number: 20250114177
    Abstract: The embodiments of the present disclosure provide a two-handle dental floss holder, including two main bodies. Each of the two main bodies includes a handle and a winding head. The winding head is defined with a horizontal notch and a vertical notch along a top-down direction, respectively. The horizontal notch is opened upward; the vertical notch is opened sideward. A vertical bar is arranged on one side of the vertical notch, and a horizontal bar is arranged between the horizontal notch and the vertical notch.
    Type: Application
    Filed: July 26, 2024
    Publication date: April 10, 2025
    Inventor: Guoqing TAO
  • Process of producing omega-hydroxyl fatty acid from alkane
    Patent number: 11306334
    Abstract: Provided is a method of producing at least one omega-hydroxyl fatty acid, the method comprising: (a) contacting at least one alkane with at least one recombinant yeast cell in an aqueous medium, wherein the yeast cell is capable of oxidising the alkane to the corresponding omega-hydroxyl fatty acid and the yeast cell comprises a reduced fatty acid degradation capacity.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: April 19, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Thomas Haas, Markus Poetter, Li Li, Guoqing Tao, Dong Cao
  • PROCESS OF OMEGA-HYDROXYL FATTY ACID PRODUCTION
    Publication number: 20200024624
    Abstract: Provided is a method of producing at least one omega-hydroxyl fatty acid, the method comprising: (a) contacting at least one alkane with at least one recombinant yeast cell in an aqueous medium, wherein the yeast cell is capable of oxidising the alkane to the corresponding omega-hydroxyl fatty acid and the yeast cell comprises a reduced fatty acid degradation capacity.
    Type: Application
    Filed: July 26, 2017
    Publication date: January 23, 2020
    Applicant: Evonik Degussa GmbH
    Inventors: Thomas HAAS, Markus POTTER, Li LI, Guoqing TAO, Dong CAO
  • Holder for toothpick
    Patent number: D1005055
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: November 21, 2023
    Inventor: Guoqing Tao
  • Dental floss holder
    Patent number: D1012370
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: January 23, 2024
    Inventor: Guoqing Tao