Manfred Espenhahn

Person

Essen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of grain-oriented electric quality sheet...
- Patent number 6,524,400
- Issue date Feb 25, 2003
- Thyssen Krupp Stahl AG
- Hans Pircher
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing non-grain oriented magnetic sheet steel
- Patent number 6,503,339
- Issue date Jan 7, 2003
- Thyssen Krupp Stahl AG
- Hans Pircher
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel strip and method of making it
- Patent number 6,284,063
- Issue date Sep 4, 2001
- Thyssen Stahl AG
- Manfred Espenhahn
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolling steel strip
- Patent number 6,284,069
- Issue date Sep 4, 2001
- Thyssen Krupp Stahl AG
- Hans Pircher
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for producing a grain-orientated electrical steel sheet
- Patent number 6,153,019
- Issue date Nov 28, 2000
- Thyssen Stahl AG
- Manfred Espenhahn
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of grain oriented magnetic steel sheets...
- Patent number 5,759,294
- Issue date Jun 2, 1998
- Thyssen Stahl AG
- Fritz Bolling
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of grain oriented magnetic steel sheets...
- Patent number 5,711,825
- Issue date Jan 27, 1998
- Thyssen Stahl AG
- Fritz Bolling
- C21 - METALLURGY OF IRON
Information Patent Grant
Electroplating apparatus
- Patent number 4,347,115
- Issue date Aug 31, 1982
- Thyssen Aktiengesellschaft vorm. August Thyssen-Hutte
- Manfred Espenhahn
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Manfred Espenhahn

Person

Patents Grantslast 30 patents

Process for the production of grain-oriented electric quality sheet...

Method for producing non-grain oriented magnetic sheet steel

Hot-rolled steel strip and method of making it

Hot-rolling steel strip

Process for producing a grain-orientated electrical steel sheet

Process for the production of grain oriented magnetic steel sheets...

Process for the production of grain oriented magnetic steel sheets...

Electroplating apparatus