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.:
Date of Patent:
Feb. 25, 2020
Filed:
Apr. 08, 2015
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Jeff Wang, Jiangsu, CN;
Xiaochuan Xiong, Shanghia, CN;
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/02 (2006.01); C23C 8/32 (2006.01); C21D 10/00 (2006.01);
U.S. Cl.
CPC ...
C23C 8/02 (2013.01); C21D 10/005 (2013.01); C23C 8/32 (2013.01);
Abstract
A number of variations may include a method that may include laser shock peening a friction work surface of a working part and applying a ferritic nitrocarburizing process to the friction work surface such that diffusion of carbon and nitrogen atoms into the friction work surface is accelerated.