Patents by Inventor Nicholas John Hill

Nicholas John Hill 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).

  • Pneumatic tire having tread with zoned cap layer
    Patent number: 8302643
    Abstract: A pneumatic tire having a rubber tread of a cap/base construction comprised of an outer rubber tread cap layer containing an outer running surface and an underlying rubber tread base layer, wherein said tread cap layer is comprised of a plurality of circumferential, longitudinal rubber tread cap zones of graduated physical properties, wherein said tread cap zones individually extend from said tread cap running surface radially inward to said tread base layer; wherein said tread cap zones are comprised of two primary tread cap zones and one central tread cap zone; wherein said central tread cap zone is positioned between said primary tread cap zones and spans at least 14 percent of the total running surface of the tread cap layer, wherein said primary tread cap zones are of substantially equal widths and collectively span at least 50 percent of the total running surface of the tread cap layer.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: November 6, 2012
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Jennifer Lyn Ryba, Rachel Tamar Graves, Matthew Jeremy List, Nicholas John Hill
  • PNEUMATIC TIRE
    Publication number: 20120024441
    Abstract: The present invention is directed to a pneumatic tire having a rubber tread of a cap/base construction comprised of an outer rubber tread cap layer containing an outer running surface and an underlying rubber tread base layer, wherein said tread cap layer is comprised of a plurality of circumferential, longitudinal rubber tread cap zones of graduated physical properties, wherein said tread cap zones individually extend from said tread cap running surface radially inward to said tread base layer: wherein said tread cap zones are comprised of two primary tread cap zones and one central tread cap zone; wherein said central tread cap zone is positioned between said primary tread cap zones and spans at least 14 percent of the total running surface of the tread cap layer, wherein said primary tread cap zones are of substantially equal widths and collectively span at least 50 percent of the total running surface of the tread cap layer; wherein the central tread cap zone comprises a vulcanizable rubber composition
    Type: Application
    Filed: July 28, 2010
    Publication date: February 2, 2012
    Inventors: Jennifer Lyn Ryba, Rachel Tamar Graves, Matthew Jeremy List, Nicholas John Hill