Inventor · disambiguated record
Charles Koehler
Also filed as: KOEHLER CHARLES · KOEHLER CHARLES J · KOEHLER CHARLES JOHN · KOEHLER III CHARLES J
5 granted patents·5 pending applications·119 citations·filing 1995–2008
83Inventor score
Top patents by PatentIndex Score
10 records- 0186US7043372B2Fluid condition monitoring using broad spectrum impedance spectroscopyEATON CORP·Filed 2003·Granted May 9, 2006·31 cites·100 claims
- 0285US6844745B1Method of determining the fluid condition of diesel engine lubricant during real time operationEATON CORP·Filed 2003·Granted Jan 18, 2005·33 cites·4 claims
- 0382US7078910B2Fluid formulation evaluation and improvement utilizing broad spectrum impedance spectroscopyEATON CORP·Filed 2004·Granted Jul 18, 2006·27 cites·29 claims
- 0475US6839620B1Detecting soot during real time operation in diesel engine lubricantEATON CORP·Filed 2003·Granted Jan 4, 2005·14 cites·7 claims
- 0556US2009115436A1Methods for Determining Fluid PropertiesKOEHLER III CHARLES J·Filed 2008·Application pending·0 cites
- 0653US2009115434A1Sample Cell for Hand-Held Impedance Spectroscopy DeviceHIRTHE RICHARD W·Filed 2008·Application pending·0 cites
- 0752US2008167823A1Impedance spectroscopy (is) methods and systems for characterizing fuelPARADIGM SENSORS LLC·Filed 2007·Application pending·0 cites
- 0852US2008172187A1Impedance spectroscopy (is) methods and systems for characterizing fuelPARADIGM SENSORS LLC·Filed 2007·Application pending·0 cites
- 0949US2006155485A1Fluid condition monitoring using broad spectrum impedance spectroscopyKOEHLER CHARLES J·Filed 2006·Application pending·0 cites
- 1043US5680055AMethod and apparatus to sense changes in the state of a resin bedUNIV MARQUETTE·Filed 1995·Granted Oct 21, 1997·14 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →