Patents by Inventor John Gilbert Van Nieuwal

John Gilbert Van Nieuwal 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).

  • Tire with injection molded white sidewall and method and apparatus for producing the same
    Patent number: 5885386
    Abstract: A pneumatic tire includes a strip of white rubber which is added to the otherwise black tire sidewall. The strip is molded separately from the other tire components and is added to the unvulcanized tire at the tire curing press. The strip is pressed into a recess in the sidewall forming surface of the upper tire mold half by a carrier ring which swings into the tire press with the green tire loader. The strip of white rubber is then affixed to the tire during molding of the tire.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: March 23, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Charles Lewis Makinson, John Gilbert Van Nieuwal
  • Tire with injection molded white sidewall and method and apparatus for producing the same
    Patent number: 5653840
    Abstract: A pneumatic tire includes a strip of white rubber which is added to the otherwise black tire sidewall. The strip is molded separately from the other tire components and is added to the unvulcanized tire at the tire curing press. The strip is pressed into a recess in the sidewall forming surface of the upper tire mold half by a carrier ring which swings into the tire press with the green tire loader. The strip of white rubber is then affixed to the tire during molding of the tire.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 5, 1997
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Charles Lewis Makinson, John Gilbert Van Nieuwal