Hansjakob Drissen

Follow

Person

Bedburg-Hau, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for blacking components
- Patent number 7,160,576
- Issue date Jan 9, 2007
- Ipsen International GmbH
- Wolfgang Lerche
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for controlling the electric current density acro...
- Patent number 5,717,186
- Issue date Feb 10, 1998
- Ipsen Industries International GmbH
- Hansjakob Drissen
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Method and device for blacking components
- Publication number 20060150907
- Publication date Jul 13, 2006
- Wolfgang Lerche
- C21 - METALLURGY OF IRON
Information Patent Application
Method and device for blacking components
- Publication number 20040022944
- Publication date Feb 5, 2004
- Wolfgang Lerche
- C21 - METALLURGY OF IRON