Wilhelm Janssen

Person

Mulheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for the production of ferrochromium
- Patent number 4,981,510
- Issue date Jan 1, 1991
- Fried.Krupp Gesellschaft
- Wilhelm Janssen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the production of ferrochromium
- Patent number 4,629,506
- Issue date Dec 16, 1986
- Fried.Krupp Gesellschaft mit beschraenkter Haftung
- Klaus Ulrich
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for preheating granular ore
- Patent number 4,599,068
- Issue date Jul 8, 1986
- Fried. Krupp Gesellschaft mit berschrankter Haftung
- Wilhelm Janssen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for reducing oxidic iron ores in a rotary kiln
- Patent number 4,581,061
- Issue date Apr 8, 1986
- Fried. KRUPP Gesellschaft mit beschrankter Haftung
- Klaus Ulrich
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of ferromanganese
- Patent number 4,576,638
- Issue date Mar 18, 1986
- Fried. Krupp Gesellschaft mit beschraenkter Haftung
- Hermann Doerr
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for separating a sponge iron product produced in a rotary...
- Patent number 4,389,040
- Issue date Jun 21, 1983
- Fried. KRUPP Gesellschaft mit beschrankter Haftung
- Klaus Ulrich
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Apparatus for supplying gas to a revolving cylindrical furnace
- Patent number 4,353,534
- Issue date Oct 12, 1982
- Fried. KRUPP Gesellschaft mit beschrankter Haftung
- Wilhelm Janssen
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method for processing dust-like matter from metallurgical waste gases
- Patent number 4,209,322
- Issue date Jun 24, 1980
- Fried. KRUPP Gesellschaft mit beschrankter Haftung
- Wilhelm Janssen
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of utilizing waste dust and waste sludge from blast furnaces...
- Patent number 4,189,314
- Issue date Feb 19, 1980
- Fried. Krupp Huttenwerke AG
- Ludwig Fiege
- C21 - METALLURGY OF IRON

Wilhelm Janssen

Person

Patents Grantslast 30 patents

Process and apparatus for the production of ferrochromium

Process for the production of ferrochromium

Apparatus for preheating granular ore

Method for reducing oxidic iron ores in a rotary kiln

Process for the production of ferromanganese

Apparatus for separating a sponge iron product produced in a rotary...

Apparatus for supplying gas to a revolving cylindrical furnace

Method for processing dust-like matter from metallurgical waste gases

Method of utilizing waste dust and waste sludge from blast furnaces...