Patents by Inventor Zefang QI

Zefang QI 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).

  • Patent number: 12365412
    Abstract: A battery compartment, a battery compartment assembly and an electric scooter are provided. The battery compartment is used for an electric scooter, and includes a compartment body and a limiting flange. The electric scooter includes a frame with an opening, and the opening runs through the frame in an up-down direction. The compartment body is configured to penetrate through the opening, and the limiting flange is arranged to an outer side wall of the compartment body and configured to abut against the frame to prevent the compartment body from falling out of the opening downwards.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: July 22, 2025
    Assignee: NINEBOT (CHANGZHOU) TECH CO., LTD.
    Inventors: Zefang Qi, Hui Su
  • Patent number: 12187375
    Abstract: A frame and a mobility scooter. The frame includes a first longitudinal beam, a second longitudinal beam, a head tube and a first cross beam. A first end of the first longitudinal beam and a first end of the second longitudinal beams are both coupled to the head tube. The first cross beam has a first end coupled to the first longitudinal beam and a second end coupled to the second longitudinal beam. The first longitudinal beam is divided into a first front tube section and a first rear tube section by the first cross beam, the second longitudinal beam is divided into a second front tube section and a second rear tube section by the first cross beam, and the first and second rear tube sections form a rear fork of the mobility scooter.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: January 7, 2025
    Assignee: Ninebot (Changzhou) Tech Co., Ltd.
    Inventors: Zefang Qi, Hui Su
  • Publication number: 20220234674
    Abstract: A frame and a mobility scooter. The frame includes a first longitudinal beam, a second longitudinal beam, a head tube and a first cross beam. A first end of the first longitudinal beam and a first end of the second longitudinal beams are both coupled to the head tube. The first cross beam has a first end coupled to the first longitudinal beam and a second end coupled to the second longitudinal beam. The first longitudinal beam is divided into a first front tube section and a first rear tube section by the first cross beam, the second longitudinal beam is divided into a second front tube section and a second rear tube section by the first cross beam, and the first and second rear tube sections form a rear fork of the mobility scooter.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 28, 2022
    Inventors: Zefang Qi, Hui Su
  • Publication number: 20220234671
    Abstract: A battery compartment, a battery compartment assembly and an electric scooter are provided. The battery compartment is used for an electric scooter, and includes a compartment body and a limiting flange. The electric scooter includes a frame with an opening, and the opening runs through the frame in an up-down direction. The compartment body is configured to penetrate through the opening, and the limiting flange is arranged to an outer side wall of the compartment body and configured to abut against the frame to prevent the compartment body from falling out of the opening downwards.
    Type: Application
    Filed: January 26, 2022
    Publication date: July 28, 2022
    Inventors: Zefang QI, Hui Su