Helmut Ernst

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Offenbach am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for removing oversize from the hot material discharged fr...
- Patent number 4,680,009
- Issue date Jul 14, 1987
- Metallgesellschaft Aktiengesellschaft
- Helmut Ernst
- C21 - METALLURGY OF IRON
Information Patent Grant
Nozzle block for rotary kilns
- Patent number 4,451,232
- Issue date May 29, 1984
- Metallgesellschaft Aktiengesellschaft
- Helmut Ernst
- F26 - DRYING
Information Patent Grant
Round cooler for hot bulk material
- Patent number 4,126,411
- Issue date Nov 21, 1978
- Dravo Corporation
- Klaus Moller
- F27 - FURNACES KILNS OVENS RETORTS