Patents by Inventor Phillip Wuthrich

Phillip Wuthrich 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).

  • Self-suspending proppants for hydraulic fracturing
    Patent number: 9644139
    Abstract: The invention provides for modified proppants, comprising a proppant particle and a hydrogel coating, wherein the hydrogel coating localizes on the surface of the proppant particle to produce the modified proppant, methods of manufacturing such proppants and methods of use.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: May 9, 2017
    Assignee: Self-Suspending Proppant LLC
    Inventors: Robert P. Mahoney, David S. Soane, Marie K. Herring, Kevin P. Kincaid, Rosa Casado Portilla, Phillip Wuthrich
  • SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
    Publication number: 20160137913
    Abstract: The invention provides for modified proppants, comprising a proppant particle and a hydrogel coating, wherein the hydrogel coating localizes on the surface of the proppant particle to produce the modified proppant, methods of manufacturing such proppants and methods of use.
    Type: Application
    Filed: December 3, 2015
    Publication date: May 19, 2016
    Inventors: Robert P. Mahoney, David S. Soane, Marie K. Herring, Kevin P. Kincaid, Rosa Casado Portilla, Phillip Wuthrich