Inventor · disambiguated record
Friedrich W. Siepmann
Also filed as: SIEPMANN FRIEDRICH · SIEPMANN FRIEDRICH W · SIEPMANN FRIEDRICH WILHELM
6 granted patents·88 citations·filing 1985–2003
84Inventor score
Top patents by PatentIndex Score
6 records- 0172US7330262B2Methods and apparatus for determining the content materials of a liquid employing a piston movable within a measuring chamberCONDUCTA ENDRESS & HAUSER·Filed 2003·Granted Feb 12, 2008·14 cites·18 claims
- 0262US5324666AProcess for determining oxidizable substances contained in an aqueous sample liquidSIEPMANN FRIEDRICH W·Filed 1989·Granted Jun 28, 1994·26 cites·12 claims
- 0355US6197256B1Device for analyzing fluid samplesISCO INC·Filed 1996·Granted Mar 6, 2001·20 cites·13 claims
- 0443US6114172AProcess and device for determining the biological oxygen demand of sewageISCO INC·Filed 1996·Granted Sep 5, 2000·11 cites·9 claims
- 0537US4898829AApparatus for the detection of biodegradable and toxic substances in aqueous solutionsSIEPMANN FRIEDRICH W·Filed 1987·Granted Feb 6, 1990·9 cites·42 claims
- 0632US4748127AProcess for the detection of biodegradable and toxic substances in aqueous solutionsSIEPMANN FRIEDRICH·Filed 1985·Granted May 31, 1988·8 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →