Heinz Grachtrup

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Ennigerloh, DE

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Patents Grantslast 30 patents

Information Patent Grant
Rotary kiln with cooler
- Patent number 4,554,876
- Issue date Nov 26, 1985
- Krupp Polysius AG
- Heinz Grachtrup
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Device for sealing a ring gear
- Patent number 4,488,730
- Issue date Dec 18, 1984
- Krupp Polysius AG
- Heinz Grachtrup
- F26 - DRYING
Information Patent Grant
Device for sealing the gap between a rotary kiln and an inlet housing
- Patent number 4,457,520
- Issue date Jul 3, 1984
- Krupp Polysius AG
- Heinz Grachtrup
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Drive apparatus for rotary unit
- Patent number 4,315,439
- Issue date Feb 16, 1982
- Krupp Polysius AG
- Heinz Grachtrup
- F27 - FURNACES KILNS OVENS RETORTS