Patents by Inventor Martin Hatfield

Martin Hatfield 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).

  • OLEOPHOBIC, AIR PERMEABLE, AND BREATHABLE COMPOSITE MEMBRANE
    Publication number: 20110097571
    Abstract: A porous composite membrane is provided by an associated method and includes a first microporous substrate of a first material. A second, coating material is joined to the first microporous substrate to form a bi-component arrangement with the first microporous substrate. The second material is different than the first material. A third, coating material is applied to the bi-component arrangement. The third material is different than the first and second materials. The third material extending over at least a portion of surfaces of the bi-component arrangement which define the micropores.
    Type: Application
    Filed: October 22, 2009
    Publication date: April 28, 2011
    Applicant: BHA Group, INC.
    Inventors: Yit-Hong Tee, Taher Abujoudeh, Martin Hatfield