Patents by Inventor Zhengguo LIAN

Zhengguo LIAN 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).

  • Variable-size and variable-amount topdressing device
    Patent number: 11985916
    Abstract: Disclosed is a variable-size and variable-amount topdressing device. The device includes a main frame; an image recognition unit; a variable-amount fertilizer applying portion; two electric push rods which are vertically and fixedly connected to inner opposite surfaces of the main frame respectively; and a variable-size fertilizer applying portion arranged at an output end of the variable-amount fertilizer applying portion, where a height of the variable-size fertilizer applying portion is adjusted by the two electric push rods, an output end of the variable-size fertilizer applying portion is arranged corresponding to the output end of the variable-amount fertilizer applying portion, and the variable-size fertilizer applying portion is used for adjusting a fertilizer applying range. The variable-amount fertilizer applying portion, the variable-size fertilizer applying portion and the two electric push rods are electrically connected to the image recognition unit.
    Type: Grant
    Filed: December 11, 2023
    Date of Patent: May 21, 2024
    Assignee: Qingdao Agricultural University
    Inventors: Jiasheng Wang, Zhengguo Lian, Dongwei Wang, Ni Hui, Yang Qiao
  • VARIABLE-SIZE AND VARIABLE-AMOUNT TOPDRESSING DEVICE
    Publication number: 20240099183
    Abstract: Disclosed is a variable-size and variable-amount topdressing device. The device includes a main frame; an image recognition unit; a variable-amount fertilizer applying portion; two electric push rods which are vertically and fixedly connected to inner opposite surfaces of the main frame respectively; and a variable-size fertilizer applying portion arranged at an output end of the variable-amount fertilizer applying portion, where a height of the variable-size fertilizer applying portion is adjusted by the two electric push rods, an output end of the variable-size fertilizer applying portion is arranged corresponding to the output end of the variable-amount fertilizer applying portion, and the variable-size fertilizer applying portion is used for adjusting a fertilizer applying range. The variable-amount fertilizer applying portion, the variable-size fertilizer applying portion and the two electric push rods are electrically connected to the image recognition unit.
    Type: Application
    Filed: December 11, 2023
    Publication date: March 28, 2024
    Inventors: Jiasheng WANG, Zhengguo LIAN, Dongwei WANG, Ni HUI, Yang QIAO