Helmut Grohmann

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St. Jakob near Mixnitz, OE

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Patents Grantslast 30 patents

Information Patent Grant
Control system for an absorption column
- Patent number 4,075,293
- Issue date Feb 21, 1978
- Veitscher Magnesitwerke-Actien-Gesellschaft
- Michael Grill
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and kiln for calcining finely divided material
- Patent number 3,989,446
- Issue date Nov 2, 1976
- Veitscher Magnesitwerke-Aktiengesellschaft
- Michael Grill
- C01 - INORGANIC CHEMISTRY