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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12629968 B1

PDFFull Text
Date of Patent:
May. 19, 2026

Filed:

Aug. 05, 2021

Heavy duty tire

Applicant:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Inventor:

Toshifumi Haba, Hyogo, JP;

Assignee:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Attorney:

Studebaker Brackett PLLC

Primary Examiner:

Justin R Fischer

Int. Cl.
CPC ...
B60C 1/00 (2006.01); B60C 11/00 (2006.01); B60C 15/06 (2006.01); C08K 3/36 (2006.01); C08K 5/548 (2006.01); C08L 9/00 (2006.01);
U.S. Cl.
CPC ...
B60C 15/0607 (2013.01); B60C 1/0016 (2013.01); B60C 11/005 (2013.01); C08K 3/36 (2013.01); C08K 5/548 (2013.01); C08L 9/00 (2013.01); B60C 2001/0083 (2013.01); B60C 2200/06 (2013.01); C08K 2201/006 (2013.01);
Abstract

An object of the present invention is to provide a heavy duty tire having improved fuel efficiency, wet grip performance, abrasion resistance, chipping resistance, and tear resistance with good balance. The heavy duty comprises a carcass extending from a tread part through a sidewall part to a bead core of a bead part and a belt layer arranged outside in a tire radial direction of the carcass and inside of the tread part, wherein the tread has a cap rubber layer and a base rubber layer, the cap rubber layer comprises a predetermined rubber component and silica and the loss tangent tan δ of the base rubber layer is within a predetermined range.

Find Patent Forward Citations

Haba, Toshifumi. (2026). Heavy duty tire (U.S. Patent No. 12629968). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12629968

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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