Patents Assigned to Healthlead Corporation Limited
  • Air purifier
    Patent number: D948017
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: April 5, 2022
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Yanshan Wu
  • Air purifier
    Patent number: D970706
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: November 22, 2022
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D983341
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: April 11, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D985111
    Type: Grant
    Filed: June 12, 2021
    Date of Patent: May 2, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D987800
    Type: Grant
    Filed: June 12, 2021
    Date of Patent: May 30, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D987801
    Type: Grant
    Filed: June 12, 2021
    Date of Patent: May 30, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D987802
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: May 30, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D987803
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: May 30, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D987804
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: May 30, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D994102
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: August 1, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Yanshan Wu
  • Air purifier
    Patent number: D998122
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: September 5, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Hongzeng Zhang
  • Air purifier
    Patent number: D1004065
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: November 7, 2023
    Assignee: Healthlead Corporation Limited
    Inventors: Yaogang Chen, Zhixue Zou, Yanshan Wu