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:
Jan. 16, 2018
Filed:
Apr. 23, 2013
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Shekhar G. Wakade, Grand Blanc, MI (US);
Yucong Wang, West Bloomfield, MI (US);
Edward P. Becker, Brighton, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 41/0246 (2013.01); H01F 41/0266 (2013.01);
Abstract
A number of variations may include a method including providing a first powder comprising iron; compacting the first powder into a compacted powder product having a non-planar surface, wherein the compacting includes dynamic magnetic compaction or combustion driven compaction; and increasing the magnetic coercivity of at least one of the first powder or compact powder product.