David Neff

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Willoughby, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Impeller for dispersing gas into molten metal
- Patent number 8,178,036
- Issue date May 15, 2012
- Pyrotek, Inc.
- David Neff
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
IMPELLER FOR DISPERSING GAS INTO MOLTEN METAL
- Publication number 20100052227
- Publication date Mar 4, 2010
- David Neff
- C21 - METALLURGY OF IRON