Patents by Inventor William Tsung-Chieh Fan

William Tsung-Chieh Fan 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).

  • Process For Separating Used Oil
    Publication number: 20090184030
    Abstract: A process for removing impurities from used oil. Impurities such as water, solid particles, and the like are removed from used oil by processing the oil with a mixture of polar and non-polar solvents. The process operates at room temperatures and pressures, simplifying the equipment and energy requirement for the process.
    Type: Application
    Filed: January 17, 2008
    Publication date: July 23, 2009
    Inventors: Teh Fu Yen, William Tsung-Chieh Fan