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:
Aug. 23, 2022
Filed:
Sep. 01, 2020
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Hermann Autenrieth, Ruit, DE;
Marcus Hansel, Altdorf, DE;
Michael Cesinger, Lohr Am Main, DE;
Thomas Waldenmaier, Freiberg/Neckar, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 5/00 (2006.01); C21D 1/18 (2006.01); C21D 1/42 (2006.01);
U.S. Cl.
CPC ...
C21D 5/00 (2013.01); C21D 1/18 (2013.01); C21D 1/42 (2013.01); C21D 2211/009 (2013.01); C21D 2221/00 (2013.01);
Abstract
A process for the local hardening of a workpiece by means of local induction hardening includes performing a local perlitization grain transformation on the workpiece after a local inductive diffusion heat treatment and before a local induction hardening on the workpiece.