Patents by Inventor Dongchun Huang

Dongchun Huang 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: 20230417080
    Abstract: The present disclosure discloses an electronic handle door lock structurally which includes a rear handle, a front handle, a lock body arranged between the rear handle and the front handle, a clutch rotating rod rotatably arranged at an inner side of the front handle, a control circuit board installed on one side of the front handle, and an linkage square pipe penetrating through one side of the lock body and connected between the rear handle and the front handle, wherein the linkage square pipe is connected with the clutch rotating rod, one side of the front handle is provided with a battery case installing slot, one side of the battery case installing slot is detachably provided with a contact type battery case, and an inner side of one side of the battery case installing slot is provided with an electrically conductive plate electrically connected with the control circuit board.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 28, 2023
    Inventor: DONGCHUN HUANG
  • Patent number: D991008
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: July 4, 2023
    Inventor: Dongchun Huang
  • Patent number: D1003144
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: October 31, 2023
    Inventor: Dongchun Huang
  • Patent number: D1031412
    Type: Grant
    Filed: January 19, 2024
    Date of Patent: June 18, 2024
    Inventor: Dongchun Huang
  • Patent number: D1068444
    Type: Grant
    Filed: January 3, 2025
    Date of Patent: April 1, 2025
    Inventor: Dongchun Huang