Patents by Inventor Pengfei DANG

Pengfei DANG 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).

  • Groove engraving device and groove engraving method
    Patent number: 11745535
    Abstract: A groove engraving device and a groove engraving method are provided. The groove engraving device includes: a processing chamber for containing a piece to be processed, a cutter for groove engraving on the piece to be processed, a clamping mechanism for clamping the piece to be processed, a driving mechanism for driving the clamping mechanism to rotate, and a temperature controlling device for controlling a temperature inside the processing chamber to be within a preset temperature range. The clamping mechanism and the cutter are disposed inside the processing chamber, and the clamping mechanism is rotatable with respect to the processing chamber. The temperature controlling device is disposed inside the processing chamber. The groove engraving device can improve the processing efficiency and quality of the groove engraving on the piece to be processed.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: September 5, 2023
    Assignee: LONGI GREEN ENERGY TECHNOLOGY CO., LTD.
    Inventors: Jianbo Mao, Jie Li, Pengfei Dang
  • GROOVE ENGRAVING DEVICE AND GROOVE ENGRAVING METHOD
    Publication number: 20220402295
    Abstract: A groove engraving device and a groove engraving method are provided. The groove engraving device includes: a processing chamber for containing a piece to be processed, a cutter for groove engraving on the piece to be processed, a clamping mechanism for clamping the piece to be processed, a driving mechanism for driving the clamping mechanism to rotate, and a temperature controlling device for controlling a temperature inside the processing chamber to be within a preset temperature range. The clamping mechanism and the cutter are disposed inside the processing chamber, and the clamping mechanism is rotatable with respect to the processing chamber. The temperature controlling device is disposed inside the processing chamber. The groove engraving device can improve the processing efficiency and quality of the groove engraving on the piece to be processed.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 22, 2022
    Applicant: LONGI GREEN ENERGY TECHNOLOGY CO., LTD.
    Inventors: Jianbo MAO, Jie LI, Pengfei DANG