John C. Tverberg

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Mukwonago, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing welded tubing having a uniform microstructure
- Patent number 6,419,768
- Issue date Jul 16, 2002
- Crucible Materials Corp.
- John C. Tverberg
- C21 - METALLURGY OF IRON
Information Patent Grant
Austenitic stainless steel article having a passivated surface layer
- Patent number 6,228,445
- Issue date May 8, 2001
- Crucible Materials Corp.
- John C. Tverberg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING WELDED TUBING HAVING A UNIFORM MICROSTRUCTURE
- Publication number 20020100524
- Publication date Aug 1, 2002
- Crucible Materials Corp.
- John C. Tverberg
- C21 - METALLURGY OF IRON