Inventor · disambiguated record
Wolfgang Frech
Also filed as: FRECH WOLFGANG
6 granted patents·26 citations·filing 1977–2018
78Inventor score
Files withCONOCOPHILLIPS CO2BERTHOLD GMBH & CO KG1LORD III CHARLES JOHN1OSKAR FRECH WERKZEUGBAU FA1RINGSDORFF WERKE GMBH1
Top patents by PatentIndex Score
6 records- 0174US9574140B2Removing mercury from crude oilCONOCOPHILLIPS CO·Filed 2014·Granted Feb 21, 2017·3 cites·18 claims
- 0271US6552786B1Electrothermal furnace for an atomic absorption spectrometerBERTHOLD GMBH & CO KG·Filed 2000·Granted Apr 22, 2003·12 cites·15 claims
- 0369US8936686B2Method for removing mercury contamination from solid surfacesLORD III CHARLES JOHN·Filed 2011·Granted Jan 20, 2015·2 cites·12 claims
- 0456US10633600B2Process for removing mercury from crude oilCONOCOPHILLIPS CO·Filed 2018·Granted Apr 28, 2020·0 cites·21 claims
- 0537US4138043ADie casting machine with screw plugs in passagesOSKAR FRECH WERKZEUGBAU FA·Filed 1977·Granted Feb 6, 1979·4 cites·22 claims
- 0631US4726678AReceptacle for flameless atomic absorption spectroscopyRINGSDORFF WERKE GMBH·Filed 1986·Granted Feb 23, 1988·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →