Patents by Inventor Qingqin Xie

Qingqin Xie 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).

  • Baby monitor (transmitting terminal)
    Patent number: D863249
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: October 15, 2019
    Inventor: Qingqin Xie
  • Baby monitor (receiving terminal)
    Patent number: D868724
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: December 3, 2019
    Inventor: Qingqin Xie
  • Sound machine with night light
    Patent number: D888688
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: June 30, 2020
    Inventor: Qingqin Xie
  • Sound machine
    Patent number: D889434
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: July 7, 2020
    Inventor: Qingqin Xie
  • Sound machine
    Patent number: D907006
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: January 5, 2021
    Inventor: Qingqin Xie
  • Baby monitor
    Patent number: D935430
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: November 9, 2021
    Inventor: Qingqin Xie
  • Baby monitor
    Patent number: D935431
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: November 9, 2021
    Inventor: Qingqin Xie