Patents by Inventor William Fred Heins

William Fred Heins 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).

  • METHODS AND SYSTEMS FOR TREATMENT OF AQUEOUS OILY SOLUTIONS
    Publication number: 20120097609
    Abstract: A method for treatment of an aqueous oily solution includes combining the aqueous oily solution with one or more miscible organic solvents to produce a mixture of precipitated solids and a liquid phase; separating the precipitated solids from the liquid phase; separating the liquid phase at least into an organic phase and an aqueous phase; and removing at least a portion of one or more oily substances from the organic phase. A system for treatment of an aqueous oily solution is also presented.
    Type: Application
    Filed: October 18, 2011
    Publication date: April 26, 2012
    Inventors: Jiyang Xia, Wei Cai, Rihua Xiong, Yiwen Sun, Chunjie Liu, George Randall Jones, William Fred Heins