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:
Jun. 17, 2025
Filed:
Mar. 09, 2021
Applicant:
Arvinmeritor Technology, Llc, Troy, MI (US);
Inventors:
Assignee:
ArvinMeritor Technology, LLC, Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 48/38 (2012.01); B23P 15/14 (2006.01); C21D 1/22 (2006.01); C21D 9/32 (2006.01); C21D 6/00 (2006.01);
U.S. Cl.
CPC ...
F16H 48/38 (2013.01); B23P 15/14 (2013.01); C21D 1/22 (2013.01); C21D 9/32 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); F16H 2048/382 (2013.01); Y10T 29/49464 (2015.01); Y10T 29/49471 (2015.01);
Abstract
A method of making an interaxle differential unit. The method may include piercing a workpiece and then ring roll forging the workpiece to form an annular case that is a seamless ring. The annular case may be heat treated before installing an interaxle differential unit gear nest inside the annular case.