Inventor
RAJASEKHARAN VISHNU VARDHANAN
US13 patents
⚠️ This page may combine multiple inventors who share the name “RAJASEKHARAN VISHNU VARDHANAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HACH CO
11 patentsUS10801990B2Oct 13, 2020
Alkalinity measurement of an aqueous sample
HACH CO2 citations71
US10724984B2Jul 28, 2020
SP3 substituted carbon electrode TOC analysis using metallic catalyst
HACH CO2 citations70
US11474071B2Oct 18, 2022
Alkalinity measurement of an aqueous sample
HACH CO0 citations60
US12163937B2Dec 10, 2024
Detection of per and polyfluoroalkyl substances using total organic fluoride
HACH CO0 citations53
US12313618B2May 27, 2025
Predictive model for water quality deterioration
HACH CO0 citations49
US11431596B1Aug 30, 2022
Real-time management of device maintenance
HACH CO0 citations49
US12399110B2Aug 26, 2025
Electrochemical digestion
HACH CO0 citations48
US11796549B2Oct 24, 2023
Real-time management of analyte recovery
HACH CO0 citations47
US12416598B2Sep 16, 2025
Derived alkalinity
HACH CO0 citations46
US10126246B2Nov 13, 2018
Lab-on-a-chip for alkalinity analysis
HACH CO0 citations46
US9739742B2Aug 22, 2017
Carbon nanotube sensor
HACH CO1 citations46