Inventor · disambiguated record
Friedhelm Mueller
Also filed as: MUELLER FRIEDHELM
8 granted patents·1 pending application·82 citations·filing 1980–2004
86Inventor score
Top patents by PatentIndex Score
9 records- 0174US6447581B2Gas flow switching deviceSIEMENS AG·Filed 2001·Granted Sep 10, 2002·12 cites·12 claims
- 0270US6952946B2Method for the gas chromatographic analysis of a sample, and analyzerSIEMENS AG·Filed 2003·Granted Oct 11, 2005·9 cites·6 claims
- 0369US5139345ATemperature sensor for mixing and kneading machinesWERNER & PFLEIDERER·Filed 1991·Granted Aug 18, 1992·33 cites·18 claims
- 0461US8426215B2Gas chromatograph and method for analyzing a mixture of substances by gas chromatographyMUELLER FRIEDHELM·Filed 2004·Granted Apr 23, 2013·11 cites·15 claims
- 0556US6845650B2Gas chromatographSIEMENS AG·Filed 2003·Granted Jan 25, 2005·1 cites·9 claims
- 0652US7141211B2System for determining total sulfur contentSIEMENS AG·Filed 2003·Granted Nov 28, 2006·3 cites·13 claims
- 0746US2004170531A1Gas chromatographSIEMENS AG·Filed 2003·Application pending·0 cites
- 0839US4305276ATemperature controlled oven chamber for gas chromatographySIEMENS AG·Filed 1980·Granted Dec 15, 1981·6 cites·15 claims
- 0931US4861358ABranch coupling for use between capillary columns of gas chromatographsSIEMENS AG·Filed 1988·Granted Aug 29, 1989·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →