Patents by Inventor Yonglei LI

Yonglei LI 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).

  • DUAL-CHAMBER SUCTION FILTERING DEVICE AND FILTERING METHOD
    Publication number: 20210015980
    Abstract: A dual-chamber suction filtering device and filtering method, belonging to a surgical waste liquid collecting device, and solving the problem in the prior art that drainage fluid of an endoscope shaver system and a plasma surgical system is easily contaminated and cannot be separated in sections.
    Type: Application
    Filed: March 1, 2019
    Publication date: January 21, 2021
    Applicant: BEIJING LONGFU HOSPITAL
    Inventors: Yonglei LI, Jie DING, Tongqing CUI, Wei LI, Chao GUI, Zhe LIU, Ting LV, Fangxiang LI, Qiang XIE, Hongchen WANG