Klaus Speier

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Kelkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for separating mixtures of matter in the liquid...
- Patent number 4,405,460
- Issue date Sep 20, 1983
- Hoechst Aktiengesellschaft
- Dieter Disselbeck
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Heat exchanger element
- Patent number 4,230,175
- Issue date Oct 28, 1980
- Hoechst Aktiengesellschaft
- Dieter Disselbeck
- F24 - HEATING RANGES VENTILATING