Patents Assigned to Nanjing Yunkai Machinery Co., Ltd
  • Percussive massage device having a USB port
    Patent number: 11497674
    Abstract: A percussive massage device includes an upper half housing, an electric motor, a lower half housing, and a handle. In response to activating the motor, the eccentric counterweight rotates. And in turn, the link converts the rotational motion of the counterweight into a reciprocating linear motion of the follower. The application head strongly moves back and forth to treat body stress or pain of a user.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: November 15, 2022
    Assignee: Nanjing Yunkai Machinery Co., Ltd
    Inventor: Guomei Cheng
  • Massage gun
    Patent number: D940345
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: January 4, 2022
    Assignee: Nanjing Yunkai Machinery Co., Ltd
    Inventor: Guomei Cheng
  • Massager
    Patent number: D958387
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: July 19, 2022
    Assignees: QINJI ELECTRONIC TECHNOLOGY (SUZHOU) CO., LTD., NANJING YUNKAI MACHINERY CO., LTD.
    Inventor: LiBo Qin
  • Massager
    Patent number: D959008
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: July 26, 2022
    Assignees: QINJI ELECTRONIC TECHNOLOGY (SUZHOU) CO., LTD., NANJING YUNKAI MACHINERY CO., LTD.
    Inventor: LiBo Qin
  • Massager
    Patent number: D961796
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: August 23, 2022
    Assignees: QINJI ELECTRONIC TECHNOLOGY (SUZHOU) CO., LTD., NANJING YUNKAI MACHINERY CO., LTD.
    Inventor: LiBo Qin
  • Massage gun
    Patent number: D970028
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: November 15, 2022
    Assignee: Nanjing Yunkai Machinery Co., Ltd
    Inventor: Guomei Cheng
  • Massage gun
    Patent number: D983986
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: April 18, 2023
    Assignee: NANJING YUNKAI MACHINERY CO., LTD
    Inventor: Guomei Cheng