Patents by Inventor Chengwang Lu

Chengwang 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).

  • DENTAL HANDPIECE AND HEAD THEREOF, AND ROOT CANAL PREPARATION MACHINE
    Publication number: 20240225782
    Abstract: The present disclosure relates to the technical field of medical appliances, and provides a dental handpiece and a head thereof, and a root canal preparation machine. The head of the dental handpiece comprises a head housing; a movement cavity is provided in the head housing; a rotatable movement and a driving gear are provided in the movement cavity; the driving gear is sleeved on one end of the movement, and the movement can move along the axial direction of the driving gear; a reciprocating driving mechanism is further provided in the movement cavity, and the reciprocating driving mechanism is used for driving the movement to perform reciprocating movement along its own axis.
    Type: Application
    Filed: December 29, 2021
    Publication date: July 11, 2024
    Applicant: Guilin Woodpecker Medical lnstrument Co., Ltd.
    Inventors: Xunxian Wu, Yoshitsugu Terauchi, Kunyou Wu, Chengwang Lu, Yongchao Huang, Fengwen Wei, Jiazhen Xu
  • DENTAL HANDPIECE AND HEAD THEREOF, AND ROOT CANAL PREPARATION MACHINE
    Publication number: 20240130831
    Abstract: The present disclosure relates to the technical field of medical appliances, and provides a dental handpiece and a head thereof, and a root canal preparation machine. The head of the dental handpiece comprises a head housing; a movement cavity is provided in the head housing; a rotatable movement and a driving gear are provided in the movement cavity; the driving gear is sleeved on one end of the movement, and the movement can move along the axial direction of the driving gear; a reciprocating driving mechanism is further provided in the movement cavity, and the reciprocating driving mechanism is used for driving the movement to perform reciprocating movement along its own axis.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 25, 2024
    Applicant: Guilin Woodpecker Medical lnstrument Co., Ltd.
    Inventors: Xunxian Wu, Yoshitsugu Terauchi, Kunyou Wu, Chengwang Lu, Yongchao Huang, Fengwen Wei, Jiazhen Xu