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John Albert Siefert
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Huntersville, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Stepped design weld joint preparation
Patent number
10,994,361
Issue date
May 4, 2021
Electric Power Research Institute, Inc.
John Albert Siefert
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Cobalt-free, galling and wear resistant austenitic stainless steel...
Patent number
10,094,010
Issue date
Oct 9, 2018
The Ohio State University
Ryan Thomas Smith
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
COBALT-FREE, GALLING AND WEAR RESISTANT AUSTENITIC STAINLESS STEEL...
Publication number
20190071759
Publication date
Mar 7, 2019
The Ohio State University
Ryan Thomas Smith
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEPPED DESIGN WELD JOINT PREPARATION
Publication number
20170008117
Publication date
Jan 12, 2017
Electric Power Research Institute, Inc.
John Albert SIEFERT
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COBALT-FREE, GALLING AND WEAR RESISTANT AUSTENITIC STAINLESS STEEL...
Publication number
20150368766
Publication date
Dec 24, 2015
The Ohio State University
Ryan Thomas Smith
B32 - LAYERED PRODUCTS