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HANS TECH, LLC
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West Lafayette, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ultrasonic grain refining
Patent number
10,441,999
Issue date
Oct 15, 2019
HANS TECH, LLC
Qingyou Han
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ultrasonic grain refining
Patent number
9,481,031
Issue date
Nov 1, 2016
HANS TECH, LLC
Qingyou Han
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
ULTRASONIC GRAIN REFINING
Publication number
20170021414
Publication date
Jan 26, 2017
HANS TECH, LLC
Qingyou HAN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ULTRASONIC GRAIN REFINING
Publication number
20160228943
Publication date
Aug 11, 2016
HANS TECH, LLC
Qingyou HAN
B22 - CASTING POWDER METALLURGY
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last 30 trademarks