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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 12337372 B1

PDFFull Text
Date of Patent:
Jun. 24, 2025

Filed:

Oct. 16, 2023

Low-friction tapered roller bearing and manufacture method thereof

Applicant:

Aktiebolaget Skf, Gothenburg, SE;

Inventors:

Jinyan Lu, Yinchuan, CN;

Xiaoyu Zhang, Shanghai, CN;

Ya Wang, Shanghai, CN;

Congying Wang, Quzhou, CN;

Assignee:

AKTIEBOLAGET SKF, Gothenburg, SE;

Attorneys:

J-TEK LAW PLLC

Scott T. Wakeman

Mark A. Ussai

Primary Examiner:

Jason L Vaughan

Int. Cl.
CPC ...
B21D 53/10 (2006.01); F16C 19/36 (2006.01);
U.S. Cl.
CPC ...
B21D 53/10 (2013.01); F16C 19/364 (2013.01); F16C 2223/10 (2013.01);
Abstract

A method includes providing a tapered roller bearing including an outer ring having a raceway surface, an inner ring having a raceway surface and a plurality of tapered rollers each having a rolling surface and a large end-face; optimizing a surface roughness of at least one surface selected from the following set of surfaces: the outer ring raceway surface, the inner ring raceway surface, the rolling surfaces of the tapered rollers and the large end faces of the tapered rollers; and black oxidizing the at least one first surface.

Find Patent Forward Citations

Lu, Jinyan. (2025). Low-friction tapered roller bearing and manufacture method thereof (U.S. Patent No. 12337372). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12337372

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

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