Franz Engelberg

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Konstanz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for the heat treatment of heat treatable material...
- Patent number 5,449,422
- Issue date Sep 12, 1995
- Klockner-Humboldt-Deutz AG
- Rudolf Pflanz
- C21 - METALLURGY OF IRON
Information Patent Grant
Conveying device for push-type or continuous-heating furnaces
- Patent number 5,301,929
- Issue date Apr 12, 1994
- Gautschi Electro-Fours SA.
- Rudolf Pflanz
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method and apparatus for the removal of slag from metallic melt bat...
- Patent number 5,032,177
- Issue date Jul 16, 1991
- Gautschi Electro-Fours SA
- Hans-Otto Jochem
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for melting a melting stock composed of scrap metal and/o...
- Patent number 4,572,485
- Issue date Feb 25, 1986
- Gautschi Electro-Fours SA
- Franz Engelberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...