Paul Heilman

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Maintul, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for under-pressure carburizing of steel workpieces
- Patent number 7,550,049
- Issue date Jun 23, 2009
- Seco/Warwick S.A.
- Piotr Kula
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hydrocarbon gas mixture for the under-pressure carburizing of steel
- Patent number 7,513,958
- Issue date Apr 7, 2009
- Seco / Warwick S.A.
- Piotr Kula
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Hydrocarbon gas mixture for the under-presssure carburizing of steel
- Publication number 20060102254
- Publication date May 18, 2006
- SECO/WARWICK SP.ZO.O
- Piotr Kula
- C21 - METALLURGY OF IRON
Information Patent Application
Method for under-pressure carburizing of steel workpieces
- Publication number 20060016525
- Publication date Jan 26, 2006
- Piotr Kula
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...