Johann Lehner

Follow

Person

Linz, AT

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing an iron melt using iron-containing residual sm...
- Patent number 6,372,011
- Issue date Apr 16, 2002
- Voest-Alpine Industrieanlagenbau GmbH
- Johann Lehner
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for heat treatment of organically contaminated material
- Patent number 6,162,280
- Issue date Dec 19, 2000
- Voest-Alpine Indstrienlagenbau GmbH
- Johann Lehner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of processing iron-containing mettalurgical residual substan...
- Patent number 5,853,453
- Issue date Dec 29, 1998
- Voest-Alpine Industrieanlagenbau GmbH
- Johann Lehner
- C21 - METALLURGY OF IRON