Patents by Inventor Qilian Du

Qilian Du 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: 20230021012
    Abstract: Embodiments of the present disclosure provide an opening and closing mechanism and a leakage protection device. The opening and closing mechanism comprises: a stationary contact and a movable contact, which contacts the stationary contact at ON-position and separates from the stationary contact at OFF-position; a first magnetic assembly; and a second magnetic assembly that is integrally rotatable about an axis, the second magnetic assembly comprising: an electric conductor onto which the movable contact is mounted; and a magnetic body comprising at least one magnetic portion configured to rotate about the axis under a magnetic force from the first magnetic assembly, to correspondingly drive the movable contact to rotate between the ON-position and the OFF-position, wherein a distance from each of the at least one magnetic portion to the axis is smaller than a distance from the movable contact to the axis.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Applicant: Schneider Electric (Australia) Pty Ltd
    Inventors: Dahai Zhang, Yonggang Wang, Qilian Du, Xin Fan, Bo Wang
  • Patent number: D860950
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: September 24, 2019
    Assignee: SCHNEIDER ELECTRIC (AUSTRALIA) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D902010
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 17, 2020
    Assignee: SCHNEIDER ELECTRIC (AUSTRALIA) PTY LTD
    Inventor: Qilian Du
  • Patent number: D925476
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: July 20, 2021
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D936618
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: November 23, 2021
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D936619
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: November 23, 2021
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D936620
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: November 23, 2021
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D936621
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: November 23, 2021
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D948448
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: April 12, 2022
    Assignee: SCHNEIDER ELECTRIC (AUSTRALIA) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D1073618
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 6, 2025
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D1073619
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 6, 2025
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D1081581
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: July 1, 2025
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du
  • Patent number: D1079648
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: June 17, 2025
    Assignee: Schneider Electric (Australia) PTY LTD
    Inventors: Zhen Ma, Fuhua Shan, Dahai Zhang, Pei Shang, Qilian Du