Patents by Inventor Guowen Lin

Guowen Lin 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: 20260204115
    Abstract: The present disclosure belongs to the technical field of door barrier processing and manufacturing and discloses an intelligent door barrier. The intelligent door barrier includes an openable and closable door barrier; an electromagnetic lock, controlling locking of the door barrier; a controller, electrically connected to the electromagnetic lock to control magnetic on-off of the electromagnetic lock; and a voice control module, electrically connected to the controller, where the controller receives a signal sent by the voice control module and controls opening and closing of the door barrier; and the voice control module is provided with a switch, which controls on-off of the voice control module. The door barrier body is opened and closed through voices, and the switch, which controls on-off of the voice control module, may activate or deactivate the voice control module.
    Type: Application
    Filed: December 19, 2025
    Publication date: July 16, 2026
    Inventor: Guowen LIN
  • Patent number: 12672728
    Abstract: The disclosure belongs to the field of gates and discloses a retractable baby gate. The retractable baby gate includes at least a piece of gate fabric; a roller, mounted on one side of the gate fabric, wherein a rolling shaft is coaxially arranged in the roller, one end of the gate fabric is fixed to the rolling shaft and winds the periphery of the rolling shaft, a longitudinal opening through which the gate fabric comes in and goes out is formed in the peripheral surface of the roller, a shell is fixedly connected to the upper end of the roller, and a base fixedly connected to a mounting fixed surface is connected to the lower end of the shell; and a control portion, arranged in the shell to control rotation and locking of the rolling shaft, wherein the control portion includes a gear coaxially connected to the rolling shaft.
    Type: Grant
    Filed: March 28, 2025
    Date of Patent: July 7, 2026
    Assignee: Ningbo Kony Metal Products Co, Ltd.
    Inventor: Guowen Lin
  • Publication number: 20250302213
    Abstract: The disclosure belongs to the field of gates and discloses a retractable baby gate. The retractable baby gate includes at least a piece of gate fabric; a roller, mounted on one side of the gate fabric, wherein a rolling shaft is coaxially arranged in the roller, one end of the gate fabric is fixed to the rolling shaft and winds the periphery of the rolling shaft, a longitudinal opening through which the gate fabric comes in and goes out is formed in the peripheral surface of the roller, a shell is fixedly connected to the upper end of the roller, and a base fixedly connected to a mounting fixed surface is connected to the lower end of the shell; and a control portion, arranged in the shell to control rotation and locking of the rolling shaft, wherein the control portion includes a gear coaxially connected to the rolling shaft.
    Type: Application
    Filed: March 28, 2025
    Publication date: October 2, 2025
    Inventor: Guowen LIN
  • Patent number: D1048465
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: October 22, 2024
    Inventor: Guowen Lin
  • Patent number: D1075053
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: May 13, 2025
    Inventor: Guowen Lin