Patents by Inventor Gary Engstrom

Gary Engstrom 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).

  • METHOD OF TREATING WASTEWATER
    Publication number: 20080142447
    Abstract: Processes for the treatment of wastewater comprising incorporating a delaminated nanoparticulate clay into a treatment mixture to form a coagulant. The nanoparticulate clay comprises an anionic coagulant. Preferred nanoparticulate clays are bentonite clays and hectorite clays.
    Type: Application
    Filed: November 15, 2007
    Publication date: June 19, 2008
    Inventors: David Brian MITCHELL, Gary Engstrom