Patents by Inventor Willam F. BARHAM

Willam F. BARHAM 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).

  • Publication number: 20160221309
    Abstract: A roofing membrane comprising an olefinic rubber; and from about 20 to about 250 parts by weight of a silica filler per 100 parts by weight rubber; wherein the silica filler is chemically coupled to the olefinic rubber; and wherein the roofing membrane is non-black.
    Type: Application
    Filed: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Hao WANG, James A. DAVIS, Willam F. BARHAM
  • Patent number: 9309674
    Abstract: A roofing membrane comprising an olefinic rubber; and from about 20 to about 250 parts by weight of a silica filler per 100 parts by weight rubber; wherein the silica filler is chemically coupled to the olefinic rubber; and wherein the roofing membrane is non-black.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: April 12, 2016
    Assignee: Firestone Building Products Co., LLC
    Inventors: Hao Wang, James A. Davis, Willam F. Barham
  • Publication number: 20150038031
    Abstract: A roofing membrane comprising an olefinic rubber; and from about 20 to about 250 parts by weight of a silica filler per 100 parts by weight rubber; wherein the silica filler is chemically coupled to the olefinic rubber; and wherein the roofing membrane is non-black.
    Type: Application
    Filed: July 29, 2014
    Publication date: February 5, 2015
    Inventors: Hao WANG, James A. DAVIS, Willam F. BARHAM