Inventor · disambiguated record
William M. Christensen
Also filed as: CHRISTENSEN WILLIAM · CHRISTENSEN WILLIAM M · CHRISTENSEN WILLIAM MARTIN
33 granted patents·405 citations·filing 2004–2020
97Inventor score
Files withECOLAB USA INC18TOKHTUEV EUGENE7CHRISTENSEN WILLIAM M2APPRISE TECHNOLOGIES INC1CARBONE II HENRY L1
Top patents by PatentIndex Score
33 records- 0196US10751680B2Apparatus, method and system for calibrating a liquid dispensing systemECOLAB USA INC·Filed 2019·Granted Aug 25, 2020·6 cites·19 claims
- 0296US9464982B2Self-cleaning optical sensorECOLAB USA INC·Filed 2015·Granted Oct 11, 2016·12 cites·16 claims
- 0396US7491366B2Portable multi-channel device for optically testing a liquid sampleECOLAB INC·Filed 2005·Granted Feb 17, 2009·43 cites·32 claims
- 0495US8008080B2Valve analytical systemECOLAB USA INC·Filed 2009·Granted Aug 30, 2011·36 cites·7 claims
- 0594US9857305B2Fluorometer with multiple detection channelsECOLAB USA INC·Filed 2015·Granted Jan 2, 2018·6 cites·16 claims
- 0694US8373140B2Fluorometric sensorECOLAB USA INC·Filed 2010·Granted Feb 12, 2013·22 cites·34 claims
- 0793US9140648B2Fluorometer with multiple detection channelsECOLAB USA INC·Filed 2013·Granted Sep 22, 2015·11 cites·19 claims
- 0893US8178352B2Valve analytical systemTOKHTUEV EUGENE·Filed 2011·Granted May 15, 2012·21 cites·20 claims
- 0992US9001319B2Self-cleaning optical sensorTOKHTUEV EUGENE·Filed 2012·Granted Apr 7, 2015·9 cites·14 claims
- 1092US8943901B2Fluid flow meterECOLAB USA INC·Filed 2013·Granted Feb 3, 2015·10 cites·21 claims
- 1191US9383235B2Fluid flow meterECOLAB USA INC·Filed 2014·Granted Jul 5, 2016·9 cites·20 claims
- 1291US8748191B2Stop-flow analytical systems and methodsKRAUS PAUL R·Filed 2010·Granted Jun 10, 2014·11 cites·34 claims
- 1391US8166828B2Fluid flow meterSKIRDA ANATOLY·Filed 2010·Granted May 1, 2012·15 cites·26 claims
- 1490US8387777B2Conveyor chain tension monitorTOKHTUEV EUGENE·Filed 2009·Granted Mar 5, 2013·19 cites·20 claims
- 1590US8071390B2Temperature stabilized optical cell and methodTOKHTUEV EUGENE·Filed 2009·Granted Dec 6, 2011·15 cites·20 claims
- 1689US8614793B2Flow chamber for online fluorometerTOKHTUEV EUGENE·Filed 2012·Granted Dec 24, 2013·8 cites·20 claims
- 1789US7142299B2Turbidity sensorAPPRISE TECHNOLOGIES INC·Filed 2004·Granted Nov 28, 2006·40 cites·28 claims
- 1888US8590362B2Apparatus, method and system for calibrating a liquid dispensing systemCARBONE II HENRY L·Filed 2011·Granted Nov 26, 2013·9 cites·2 claims
- 1988US8004683B2Optical product detection sensorECOLAB USA INC·Filed 2008·Granted Aug 23, 2011·48 cites·25 claims
- 2087US10357750B2Apparatus, method and system for calibrating a liquid dispensing systemECOLAB USA INC·Filed 2017·Granted Jul 23, 2019·2 cites·10 claims
- 2187US9557270B2Multi-channel fluorometric sensor and method of using sameECOLAB USA INC·Filed 2015·Granted Jan 31, 2017·3 cites·25 claims
- 2287US8269193B2Handheld fluorometer and method of useCHRISTENSEN WILLIAM M·Filed 2010·Granted Sep 18, 2012·12 cites·24 claims
- 2386US8248611B2Handheld optical measuring device and method of useCHRISTENSEN WILLIAM M·Filed 2010·Granted Aug 21, 2012·9 cites·22 claims
- 2481US8076155B2Wide range kinetic determination of peracid and/or peroxide concentrationsTOKHTUEV EUGENE·Filed 2009·Granted Dec 13, 2011·11 cites·33 claims
- 2579US9751059B2Apparatus, method and system for calibrating a liquid dispensing systemECOLAB USA INC·Filed 2013·Granted Sep 5, 2017·3 cites·10 claims
- 2679US9719604B2Check valve for a fluid flow regulation systemECOLAB USA INC·Filed 2014·Granted Aug 1, 2017·5 cites·23 claims
- 2778US9618376B2Apparatus, method and system for calibrating a liquid dispensing systemECOLAB USA INC·Filed 2013·Granted Apr 11, 2017·3 cites·6 claims
- 2874US11692862B2Apparatus, method and system for calibrating a liquid dispensing systemECOLAB USA INC·Filed 2020·Granted Jul 4, 2023·0 cites·18 claims
- 2969US9696261B2Multi-channel device and method for measuring optical properties of a liquidTOKHTUEV EUGENE·Filed 2008·Granted Jul 4, 2017·2 cites·10 claims
- 3062US10859429B2Apparatus, method and system for calibrating a liquid dispensing systemECOLAB USA INC·Filed 2017·Granted Dec 8, 2020·0 cites·6 claims
- 3161US9441998B2Oval gear meterECOLAB USA INC·Filed 2014·Granted Sep 13, 2016·1 cites·24 claims
- 3260US8727102B2Conveyor chain tension monitorECOLAB USA INC·Filed 2013·Granted May 20, 2014·2 cites·13 claims
- 3355US8149582B2Detachable module systemCARLSON BRIAN PHILIP·Filed 2008·Granted Apr 3, 2012·2 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →