Rolf Dietrich Houd

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Copenhagen Valby, DK

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Patents Grantslast 30 patents

Information Patent Grant
Plant for manufacturing cement clinker
- Patent number 4,389,252
- Issue date Jun 21, 1983
- F. L. Smidth & Co.
- Rolf D. Houd
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Burning of pulverous or granular raw materials
- Patent number 4,078,882
- Issue date Mar 14, 1978
- F. L. Smidth & Co.
- Rolf Dietrich Houd
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Rotary kiln plant
- Patent number 3,940,241
- Issue date Feb 24, 1976
- F. L. Smidth & Co.
- Rolf Dietrich Houd
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES