Patents by Inventor Wilfred Henry Harrington

Wilfred Henry Harrington 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 tires
    Patent number: 3964532
    Abstract: A pneumatic tire having a tread portion with substantially flat ground-contacting surface, beads and sidewalls; the tread being braced by a breaker assembly. The tread of the tire has a width at least 20% greater than the distance between the bead heels of the inflated tire on its rim. The sidewalls each have a thickness at their thinnest part which is at least 5% of the overall width of the tire and the tire contains a carcass reinforcement consisting of a single ply of substantially radially extending textile cords.
    Type: Grant
    Filed: October 29, 1974
    Date of Patent: June 22, 1976
    Assignee: Dunlop Limited
    Inventor: Wilfred Henry Harrington
  • Pneumatic tire having lubricant containing pocket integrally formed therein
    Patent number: 3930528
    Abstract: A pneumatic tire comprises at least one pocket integrally formed within the tire structure. The pocket is positioned in the tire in the region of or adjacent a portion of the interior surface which contacts a second portion of the interior surface on deflation or under-inflation of the tire during use.
    Type: Grant
    Filed: May 14, 1973
    Date of Patent: January 6, 1976
    Assignee: Dunlop Limited
    Inventor: Wilfred Henry Harrington