Patents by Inventor Changyuan Lu

Changyuan Lu 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).

  • Tire brake
    Patent number: 11713026
    Abstract: A tire brake comprising: a central shaft, a groove is formed in the middle of the surface of the central shaft, a hexagonal rotating block is embedded and arranged in the groove, and half screw rods are embedded both above and below the hexagonal rotating block through screw rod seats, one top end of the upper half screw rod is provided with an upper bearing bracket, one bottom end of the lower half screw rod is provided with a lower bearing bracket; the invention is scientific and reasonable, safe and convenient to use, in operation, the hexagonal rotating block can be directly rotated, and the hexagonal rotating block can be used to drive the half screw rod to rotate, thereby the screw rod seats driving the half screw rods to move up and down.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: August 1, 2023
    Inventor: Changyuan Lu
  • Tire Break
    Publication number: 20210362694
    Abstract: A tire brake comprising: a central shaft, a groove is formed in the middle of the surface of the central shaft, a hexagonal rotating block is embedded and arranged in the groove, and half screw rods are embedded both above and below the hexagonal rotating block through screw rod seats, one top end of the upper half screw rod is provided with an upper bearing bracket, one bottom end of the lower half screw rod is provided with a lower bearing bracket; the invention is scientific and reasonable, safe and convenient to use, in operation, the hexagonal rotating block can be directly rotated, and the hexagonal rotating block can be used to drive the half screw rod to rotate, thereby the screw rod seats driving the half screw rods to move up and down.
    Type: Application
    Filed: June 30, 2020
    Publication date: November 25, 2021
    Inventor: Changyuan Lu
  • Hitch ball mount
    Patent number: D929912
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: September 7, 2021
    Inventor: Changyuan Lu
  • Adjustable stabilizer
    Patent number: D937529
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: November 30, 2021
    Inventor: Changyuan Lu
  • X chock wheel stabilizer
    Patent number: D959350
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: August 2, 2022
    Inventor: Changyuan Lu
  • Chock wheel stabilizer
    Patent number: D970422
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 22, 2022
    Inventor: Changyuan Lu