Patents by Inventor Huiling Qiu

Huiling Qiu 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).

  • Ultrasonic extraction performance checking device and method for ultrasonic extractor for detecting and analyzing chemical composition of consumer product
    Patent number: 11408862
    Abstract: An ultrasonic extraction performance checking device and method for an ultrasonic extractor for detecting and analyzing a chemical composition of a consumer product. The ultrasonic extraction performance checking device includes a hanging frame which is hung inside the ultrasonic extractor and matched with the ultrasonic extractor, and a hanging frame plane checking device which is detachably and vertically or horizontally placed in the hanging frame and clamped with an alloy foil. The alloy foil is surrounded by a tensioning fixture. The tensioning fixture causes the alloy foil to generate a surface tension of 5 to 15 N and to be tightened and fixed to the bottom surface of the hanging frame plane checking device.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 9, 2022
    Assignees: SHENZHEN TECHNOLOGY UNIVERSITY, TECHNOLOGY CENTER OF GUANGZHOU CUSTOMS
    Inventors: Lina Huang, Lezhou Yi, Xiaoxia Mai, Huiling Qiu, Yong Tian, Chunnan Xu