Horst Kalfa

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Frankfurt, DE

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Patents Grantslast 30 patents

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- Patent number 5,205,850
- Issue date Apr 27, 1993
- Didier-Werke AG
- Thielo Jenrich
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Device for converting solar energy into process heat
- Patent number 4,905,665
- Issue date Mar 6, 1990
- Didier-Werke AG
- Michael Geyer
- F24 - HEATING RANGES VENTILATING
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Catalyst for the selective reduction of nitrogen oxides in waste ga...
- Patent number 4,695,559
- Issue date Sep 22, 1987
- Didier-Werke AG
- Dietrich Wagener
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method for the reactivation of a catalyst used for removal of nitro...
- Patent number 4,656,148
- Issue date Apr 7, 1987
- Didier-Werke AG
- Hans-Eugen Buhler
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Heat exchanger construction and method of operation
- Patent number 4,435,157
- Issue date Mar 6, 1984
- Brohltal-Deumag AG fur feuerfeste Erzeugnisse
- Hans-Eugen Buhler
- C21 - METALLURGY OF IRON