Patents by Inventor Yueming Yan

Yueming 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: 12616638
    Abstract: A gas circuit control system of a pneumatic cardiopulmonary resuscitation pressing device, including a gas control valve communicating with a piston cylinder of the pneumatic cardiopulmonary resuscitation pressing device, wherein a spool of the gas control valve controls gas charging and discharging of the piston cylinder when reciprocating; and at least one end of the spool of the gas control valve is provided with a gas cavity, the gas cavity communicates with a gas source through a miniature electronic control valve, and the miniature electronic control valve controls gas charging and discharging of the gas cavity to drive the spool of the gas control valve to reciprocate.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: May 5, 2026
    Assignee: SUNLIFE SCIENCE (SUZHOU) INC.
    Inventors: Weifang Kong, Eric Zhang, Zhiqing Fang, Yueming Yan, Zhiping Fang
  • Publication number: 20230270624
    Abstract: A gas circuit control system of a pneumatic cardiopulmonary resuscitation pressing device comprises a gas control valve (3) communicating with a piston cylinder (2) of the pneumatic cardiopulmonary resuscitation pressing device, and a spool of the gas control valve (3) controls gas charging and discharging of the piston cylinder (2) when reciprocating; and at least one end of the spool of the gas control valve (3) is provided with a gas cavity, the gas cavity communicates with a gas source through a miniature electronic control valve (4), and the miniature electronic control valve controls gas charging and discharging of the gas cavity to drive the spool of the gas control valve (3) to reciprocate.
    Type: Application
    Filed: October 16, 2020
    Publication date: August 31, 2023
    Inventors: Weifang Kong, Eric Zhang, Zhiqing Fang, Yueming Yan, Zhiping Fang