Patents by Inventor Feng qin FEI

Feng qin FEI 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).

  • Detection device capable of visual test results
    Patent number: 11604189
    Abstract: A detection device (10), comprising a sample detection layer (1) provided thereon with a detection reagent reacted with an analyte and a result display region (18), wherein the device further comprises a symbol display layer (2) on which an indicator (21) is processed; after the indicator contacts with a gas which can change the color of the indicator, the indicator changes from a first color to a second color.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: March 14, 2023
    Assignee: LEADWAY (HK) LIMITED
    Inventors: Feng qin Fei, Chunxia Zhang, Tao Shang
  • DETECTION DEVICE AND SAMPLE DETECTION METHOD CAPABLE OF VISUALLY READING TEST RESULTS
    Publication number: 20200150048
    Abstract: A detection device (10), comprising a sample detection layer (1) provided thereon with a detection reagent reacted with an analyte and a result display region (18), wherein the device further comprises a symbol display layer (2) on which an indicator (21) is processed; after the indicator contacts with a gas which can change the color of the indicator, the indicator changes from a first color to a second color. The present invention also relates to a detection cassette (40) comprising the detection device and a sample detection method capable of visually reading detection results achieved by the detection device.
    Type: Application
    Filed: April 26, 2018
    Publication date: May 14, 2020
    Applicant: LEADWAY (HK) LIMITED
    Inventors: Feng qin FEI, Chunxia ZHANG, Tao SHANG