Patents by Inventor Qiangsong Liu

Qiangsong Liu 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: 11872431
    Abstract: A foldable exercise bar device is includes a bar, a first supporter, a second supporter and a base module. The base module includes a first base element connected to an end of the first supporter away from the bar, a second base element facing with the first base element and connected to an end of the second supporter away from the bar, two first bottom rods pivotablely connected to two opposite sides of the first base element, two second bottom rods pivotablely connected to two opposite sides of the second base element. The foldable exercise bar device can be change between a support state and a foldable state, and in the foldable state, the two first bottom rods and the two second bottom rods are rotated to be parallel to the second supporter, such that the foldable exercise bar device can occupy a small space to improve user experience.
    Type: Grant
    Filed: January 18, 2023
    Date of Patent: January 16, 2024
    Inventor: Qiangsong Liu
  • Patent number: 11759666
    Abstract: An adjustable height balance beam includes a beam having a first part, a second part, and a middle part connected between the first part and the second part; a first supporter configured to connect and support the first part; and a second supporter configured to connect and support the second part. Each of the first supporter and the second supporter includes a connection element connected to the beam, a support element pivotably connected to an end of the connection element and having a plurality of fixing portions along an extending direction of the support element, and an adjustable element having a first end pivotably connected to another end of the connection element and a second end configured to be detachably connected with the plurality of fixing portions so as to adjust a height of the beam.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: September 19, 2023
    Inventor: Qiangsong Liu
  • Patent number: D986993
    Type: Grant
    Filed: January 18, 2023
    Date of Patent: May 23, 2023
    Assignee: Yanshan Feite Sports Equipment Manufacturing Co. LTD.
    Inventor: Qiangsong Liu