Herbert Metzger

Person

Duisburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Gas injection stone and process of manufacture thereof
- Patent number 5,279,993
- Issue date Jan 18, 1994
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Means and method for determining the degree of wear of a gas inject...
- Patent number 5,202,079
- Issue date Apr 13, 1993
- Didier-Werke AG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas flushing apparatus for metallurgical vessel
- Patent number 5,160,478
- Issue date Nov 3, 1992
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas flushing device including perforated brick and gas flushing sto...
- Patent number 5,127,632
- Issue date Jul 7, 1992
- Didier-Werke AG
- Udo Muschner
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for mounting a gas washing sink in a centered manner in a...
- Patent number 5,056,762
- Issue date Oct 15, 1991
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for mounting a gas washing sink in a centered manner in p...
- Patent number 5,007,621
- Issue date Apr 16, 1991
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas washing sink without integral closure member
- Patent number 4,978,108
- Issue date Dec 18, 1990
- Didier-Werke AG
- Hans Rothfuss
- B22 - CASTING POWDER METALLURGY

Herbert Metzger

Person

Patents Grantslast 30 patents

Gas injection stone and process of manufacture thereof

Means and method for determining the degree of wear of a gas inject...

Gas flushing apparatus for metallurgical vessel

Gas flushing device including perforated brick and gas flushing sto...

Apparatus for mounting a gas washing sink in a centered manner in a...

Apparatus for mounting a gas washing sink in a centered manner in p...

Gas washing sink without integral closure member