Inventor · disambiguated record
Helmut Grohmann
Also filed as: GROHMANN HELMUT · GROHMANN HELMUT DR
5 granted patents·50 citations·filing 1975–1981
79Inventor score
Files withVEITSCHER MAGNESITWERKE AG5
Top patents by PatentIndex Score
5 records- 0172US4100254AIndustrial process of preparing magnesia of high purityVEITSCHER MAGNESITWERKE AG·Filed 1976·Granted Jul 11, 1978·16 cites·10 claims
- 0263US3989446AMethod and kiln for calcining finely divided materialVEITSCHER MAGNESITWERKE AG·Filed 1975·Granted Nov 2, 1976·16 cites·16 claims
- 0360US4255399AProcess for the recovery of magnesium oxide of high purityVEITSCHER MAGNESITWERKE AG·Filed 1979·Granted Mar 10, 1981·9 cites·12 claims
- 0432US4362709AProcess of preparing sinter magnesiaVEITSCHER MAGNESITWERKE AG·Filed 1981·Granted Dec 7, 1982·4 cites·8 claims
- 0529US4075293AControl system for an absorption columnVEITSCHER MAGNESITWERKE AG·Filed 1976·Granted Feb 21, 1978·5 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →