Inventor · disambiguated record
Friedhelm Sahlmen
Also filed as: SAHLMEN FRIEDHELM
6 granted patents·163 citations·filing 1980–1991
85Inventor score
Files withBAYER AG6
Top patents by PatentIndex Score
6 records- 0191US4735725AProcess for the improved separation of clarified liquid from biomass in the biological treatment of sewageBAYER AG·Filed 1986·Granted Apr 5, 1988·64 cites·5 claims
- 0283US4988234AGulley closureBAYER AG·Filed 1989·Granted Jan 29, 1991·52 cites·7 claims
- 0362US5000853AProcess for the improved separation of clarified liquid from biomass in the biological treatment of sewageBAYER AG·Filed 1989·Granted Mar 19, 1991·20 cites·13 claims
- 0457US4834003ACombustion of aqueous sewage sludge by the fluidized bed processBAYER AG·Filed 1988·Granted May 30, 1989·15 cites·8 claims
- 0544US4287069AProcess for the improved working up of effluentBAYER AG·Filed 1980·Granted Sep 1, 1981·9 cites·9 claims
- 0632US5174985AProcess for the oxidation of water-insoluble organic compoundsBAYER AG·Filed 1991·Granted Dec 29, 1992·3 cites·4 claims
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