Herbert Forster

Follow

Person

Dusseldorf, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the continuous hardening of tubes
- Patent number 4,046,603
- Issue date Sep 6, 1977
- Mannesmann Aktiengesellschaft
- Helmut Landgraf
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for feeding and distributing steel melts
- Patent number 3,931,850
- Issue date Jan 13, 1976
- Mannesmann Aktiengesellschaft
- Helmut Landgraf
- B22 - CASTING POWDER METALLURGY