Patents by Inventor Xuehui Liu

Xuehui Liu 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: 7470398
    Abstract: A specimen testing apparatus includes an outer case and an inner case that adjustably extends beyond the bottom end of the outer case. The inner case has a plurality of test strips for biologically testing a specimen, whereby a wick affixed to the bottom end of the inner case draws the specimen into each of the test strips after the inner case is extended and the wick is exposed to the specimen. A cover is provided to protect the apparatus from contamination and to seal the apparatus after exposure to the specimen.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: December 30, 2008
    Inventor: Xuehui Liu
  • Publication number: 20080075631
    Abstract: A disposable apparatus for testing a liquid specimen is disclosed including an enclosure made from paper (or cardboard); the paper coated on at least one side with a water resistant coating and at least one test strip is interfaced to the enclosure. The test strip is housed within the enclosure, outside the enclosure or extends from the enclosure. The entire apparatus is disposable without disassembly.
    Type: Application
    Filed: September 21, 2006
    Publication date: March 27, 2008
    Inventor: Xuehui Liu
  • Publication number: 20070110623
    Abstract: A specimen testing apparatus includes an outer case and an inner case that adjustably extends beyond the bottom end of the outer case. The inner case has a plurality of test strips for biologically testing a specimen, whereby a wick affixed to the bottom end of the inner case draws the specimen into each of the test strips after the inner case is extended and the wick is exposed to the specimen. A cover is provided to protect the apparatus from contamination and to seal the apparatus after exposure to the specimen.
    Type: Application
    Filed: November 17, 2005
    Publication date: May 17, 2007
    Inventor: Xuehui Liu