Patents by Inventor Shujing Yan

Shujing 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).

  • Cup lid
    Patent number: D815489
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: April 17, 2018
    Assignee: Anhui Hengxin Environmental Protection and New Material Co., Ltd
    Inventors: Shujing Yan, Jian Xu
  • Cup lid
    Patent number: D948337
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: April 12, 2022
    Assignee: Shanghai Eco Environmental Science & Technology Co., Ltd.
    Inventors: Binghui Wang, Shujing Yan, Shiling Lin