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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 10351922 B1

PDFFull Text
Date of Patent:
Jul. 16, 2019

Filed:

Apr. 21, 2015

Surface hardenable stainless steels

Applicant:

Questek Innovations, Llc, Evanston, IL (US);

Inventors:

David R. Snyder, Des Plaines, IL (US);

Jiadong Gong, Evanston, IL (US);

Jason T. Sebastian, Chicago, IL (US);

James A. Wright, Los Gatos, CA (US);

Herng-Jeng Jou, San Jose, CA (US);

Zechariah Feinberg, Mountain View, CA (US);

Assignee:

QuesTek Innovations LLC, Evanston, IL (US);

Attorney:

Banner & Witcoff, Ltd.

Primary Examiner:

Kiley S Stoner

Int. Cl.
CPC ...
C22C 38/00 (2006.01); C21D 6/00 (2006.01); C21D 8/00 (2006.01); C22C 38/52 (2006.01); C22C 38/50 (2006.01); C22C 38/48 (2006.01); C22C 38/44 (2006.01); C22C 38/42 (2006.01); C22C 38/30 (2006.01); C22C 38/28 (2006.01); C22C 38/26 (2006.01); C22C 38/22 (2006.01); C22C 38/20 (2006.01); C22C 38/06 (2006.01); C22C 38/04 (2006.01); C22C 38/02 (2006.01); C22C 33/04 (2006.01); B22D 7/00 (2006.01); C21D 9/70 (2006.01); C21D 1/26 (2006.01); C21D 6/02 (2006.01); C21D 1/28 (2006.01);
U.S. Cl.
CPC ...
C21D 8/005 (2013.01); B22D 7/00 (2013.01); C21D 1/26 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/007 (2013.01); C21D 6/008 (2013.01); C21D 6/02 (2013.01); C21D 9/70 (2013.01); C22C 33/04 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/20 (2013.01); C22C 38/22 (2013.01); C22C 38/26 (2013.01); C22C 38/28 (2013.01); C22C 38/30 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/48 (2013.01); C22C 38/50 (2013.01); C22C 38/52 (2013.01); C21D 1/28 (2013.01); C21D 2211/004 (2013.01); C21D 2211/008 (2013.01);
Abstract

Alloys, a process for preparing the alloys, and manufactured articles including the alloys are described herein. The alloys include, by weight, about 11.5% to about 14.5% chromium, about 0.01% to about 3.0% nickel, about 0.1% to about 1.0% copper, about 0.1% to about 0.2% carbon, about 0.01% to about 0.1% niobium, 0% to about 5% cobalt, 0% to about 3.0% molybdenum, and 0% to about 0.5% titanium, the balance essentially iron and incidental elements and impurities.

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