Inventor · disambiguated record
Vishnu Vardhanan Rajasekharan
Also filed as: RAJASEKHARAN VISHNU · RAJASEKHARAN VISHNU V · RAJASEKHARAN VISHNU VARDHANAN
22 granted patents·13 pending applications·35 citations·filing 2010–2024
91Inventor score
Top patents by PatentIndex Score
35 records- 0187US8920619B2Carbon nanotube sensorSALZER COREY ALAN·Filed 2010·Granted Dec 30, 2014·21 cites·9 claims
- 0284US11169112B2pH measurement of an aqueous sampleHACH CO·Filed 2019·Granted Nov 9, 2021·2 cites·18 claims
- 0384US10801990B2Alkalinity measurement of an aqueous sampleHACH CO·Filed 2018·Granted Oct 13, 2020·2 cites·10 claims
- 0482US10724984B2SP3 substituted carbon electrode TOC analysis using metallic catalystHACH CO·Filed 2017·Granted Jul 28, 2020·2 cites·8 claims
- 0578US9476866B2COD/TOC analyses using ferrate oxidationHACH CO·Filed 2014·Granted Oct 25, 2016·3 cites·12 claims
- 0674US10302552B2Apparatus, composition and method for determination of chemical oxidation demandHACH CO·Filed 2014·Granted May 28, 2019·2 cites·8 claims
- 0774US2025067711A1Detection of per and polyfluoroalkyl substances using total organic fluorideHACH CO·Filed 2024·Application pending·0 cites
- 0872US12108318B2Dynamic wireless information transmissionHACH CO·Filed 2022·Granted Oct 1, 2024·0 cites·17 claims
- 0969US9618495B2Carbon quantifying apparatus and methodRAJASEKHARAN VISHNU·Filed 2011·Granted Apr 11, 2017·2 cites·8 claims
- 1068US12163937B2Detection of per and polyfluoroalkyl substances using total organic fluorideHACH CO·Filed 2022·Granted Dec 10, 2024·0 cites·18 claims
- 1166US2021102914A1Membrane-based water quality sensorHACH CO·Filed 2020·Application pending·0 cites
- 1265US11474071B2Alkalinity measurement of an aqueous sampleHACH CO·Filed 2020·Granted Oct 18, 2022·0 cites·11 claims
- 1364US9739742B2Carbon nanotube sensorHACH CO·Filed 2014·Granted Aug 22, 2017·1 cites·26 claims
- 1463US11595798B2Dynamic wireless information transmissionHACH CO·Filed 2020·Granted Feb 28, 2023·0 cites·19 claims
- 1563US2025115493A1Methods and controller for determining hydrogen sulfide treatment dosageHACH CO·Filed 2023·Application pending·0 cites
- 1663US2025198973A1Post concentration total organic fluoride measurementHACH CO·Filed 2024·Application pending·0 cites
- 1761US10309948B2Carbon quantifying apparatus and methodHACH CO·Filed 2017·Granted Jun 4, 2019·0 cites·12 claims
- 1860US2023202889A1Systems and methods for controlling nitrous oxide production in wastewater treatment facilitiesHACH CO·Filed 2022·Application pending·0 cites
- 1958US12399110B2Electrochemical digestionHACH CO·Filed 2021·Granted Aug 26, 2025·0 cites·18 claims
- 2057US11431596B1Real-time management of device maintenanceHACH CO·Filed 2021·Granted Aug 30, 2022·0 cites·18 claims
- 2156US12416598B2Derived alkalinityHACH CO·Filed 2022·Granted Sep 16, 2025·0 cites·10 claims
- 2256US12013368B2Aqueous sample measurement via oxidizing metal to higher valenceHACH CO·Filed 2019·Granted Jun 18, 2024·0 cites·17 claims
- 2356US11796549B2Real-time management of analyte recoveryHACH CO·Filed 2021·Granted Oct 24, 2023·0 cites·20 claims
- 2456US10126246B2Lab-on-a-chip for alkalinity analysisHACH CO·Filed 2015·Granted Nov 13, 2018·0 cites·12 claims
- 2555US2018292348A1Membrane-based water quality sensorHACH CO·Filed 2016·Application pending·0 cites
- 2654US2024385580A1Method for verifying the plausibility of sensor information in a plant processHACH LANGE GMBH·Filed 2021·Application pending·0 cites
- 2753US12313618B2Predictive model for water quality deteriorationHACH CO·Filed 2021·Granted May 27, 2025·0 cites·16 claims
- 2852US2024102960A1Dynamic end-point total organic fluoride measurementHACH CO·Filed 2022·Application pending·0 cites
- 2951US9182353B2Lab-on-a-chip for alkalinity analysisSALZER COREY ALAN·Filed 2011·Granted Nov 10, 2015·0 cites·8 claims
- 3050US2022261721A1Cost benefit indexHACH CO·Filed 2021·Application pending·0 cites
- 3145US10539529B2Determination of analytes using electrochemically active indicator species as reactantsHACH CO·Filed 2017·Granted Jan 21, 2020·0 cites·6 claims
- 3244US2018328885A1Combined and free chlorine measurement through electrochemical microsensorsHACH CO·Filed 2016·Application pending·0 cites
- 3343US2015111304A1Carbon analysis using ferrate oxidationHACH CO·Filed 2014·Application pending·0 cites
- 3437US2011125412A1Remote monitoring of carbon nanotube sensorHACH CO·Filed 2010·Application pending·0 cites
- 3530US2012180554A1Total organic carbon (toc) fluid sensorLEGGETT RICHARD EDWARD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →