Patents by Inventor Liu Ping

Liu Ping 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).

  • H2 doped w03, ultra-fast, high-sensitivity hydrogen sensors
    Publication number: 20040023595
    Abstract: An ultra-fast response, high sensitivity structure for optical detection of low concentrations of hydrogen gas, comprising: a substrate; a water-doped WO3 layer coated on the substrate; and a palladium layer coated on the water-doped WO3 layer.
    Type: Application
    Filed: January 14, 2003
    Publication date: February 5, 2004
    Inventors: Liu Ping, C. Edwin Tracy, J. Roland Pitts, Se-Hee Lee