Patents by Inventor Riqin Yan

Riqin Yan 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).

  • Patent number: D821011
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: June 19, 2018
    Assignee: GUANGZHOU ZHILAN E-COMMERCE CO., LTD
    Inventor: Riqin Yan
  • Patent number: D822245
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: July 3, 2018
    Assignee: Guangzhou ZhiLan E-commerce Co., Ltd
    Inventor: Riqin Yan
  • Patent number: D846775
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 23, 2019
    Assignee: GUANGZHOU ZHILAN E-COMMERCE CO., LTD.
    Inventor: Riqin Yan
  • Patent number: D892370
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: August 4, 2020
    Inventor: Riqin Yan
  • Patent number: D897576
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: September 29, 2020
    Inventor: Riqin Yan
  • Patent number: D898246
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 6, 2020
    Inventor: Riqin Yan
  • Patent number: D898249
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 6, 2020
    Inventor: Riqin Yan
  • Patent number: D898250
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 6, 2020
    Inventor: Riqin Yan
  • Patent number: D898251
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 6, 2020
    Inventor: Riqin Yan
  • Patent number: D901881
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: November 17, 2020
    Inventor: Riqin Yan
  • Patent number: D929636
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: August 31, 2021
    Inventor: Riqin Yan