Gerald Stein

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling and adjusting the concentration of a gas com...
- Patent number 6,790,254
- Issue date Sep 14, 2004
- VSG Energie - und Schmiedetechnik GmbH
- Heinrich Feichtinger
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel for foundry roll shells
- Patent number 5,939,019
- Issue date Aug 17, 1999
- Gerald Stein
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Austenitic steel alloy
- Patent number 5,714,115
- Issue date Feb 3, 1998
- VSG Energie-und Schmiedetechnik GmbH
- Markus O. Speidel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing a high strength and hard metallic composite lay...
- Patent number 5,094,699
- Issue date Mar 10, 1992
- Vereinigte Schmiedewerke GmbH
- Heinrich K. Feichtinger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Product of a high-strength nitrogen containing fully austenitic cob...
- Patent number 4,865,661
- Issue date Sep 12, 1989
- Fried. Krupp GmbH
- Peter Dahlmann
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of producing a composite roll
- Patent number 4,844,747
- Issue date Jul 4, 1989
- Fried. Krupp GmbH
- Johannes Jachowski
- B22 - CASTING POWDER METALLURGY