Njall Stefansson

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McMurray, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual hardness steel article
- Patent number 10,858,715
- Issue date Dec 8, 2020
- ATI PROPERTIES LLC
- Njall Stefansson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of making a dual hardness steel article
- Patent number 10,113,211
- Issue date Oct 30, 2018
- ATI PROPERTIES LLC
- Njall Stefansson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Air hardenable shock-resistant steel alloys, methods of making the...
- Patent number 9,657,363
- Issue date May 23, 2017
- ATI PROPERTIES LLC
- Njall Stefansson
- C21 - METALLURGY OF IRON
Information Patent Grant
Dual hardness steel article
- Patent number 9,182,196
- Issue date Nov 10, 2015
- ATI Properties, Inc.
- Njall Stefansson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DUAL HARDNESS STEEL ARTICLE
- Publication number 20190024204
- Publication date Jan 24, 2019
- ATI Properties LLC
- Njall Stefansson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF MAKING A DUAL HARDNESS STEEL ARTICLE
- Publication number 20160017455
- Publication date Jan 21, 2016
- ATI Properties, Inc.
- Njall Stefansson
- C21 - METALLURGY OF IRON
Information Patent Application
AIR HARDENABLE SHOCK-RESISTANT STEEL ALLOYS, METHODS OF MAKING THE...
- Publication number 20120321504
- Publication date Dec 20, 2012
- Njall Stefansson
- C21 - METALLURGY OF IRON
Information Patent Application
DUAL HARDNESS STEEL ARTICLE AND METHOD OF MAKING
- Publication number 20120174760
- Publication date Jul 12, 2012
- ATI Properties, Inc.
- Njall Stefansson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Elevated Temperature Forming Methods for Metallic Materials
- Publication number 20120067100
- Publication date Mar 22, 2012
- ATI Properties, Inc.
- Njall Stefansson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...