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HACH CO

Overview
  • Total Patents
    496
  • GoodIP Patent Rank
    8,107
  • Filing trend
    0.0%
About

HACH CO has a total of 496 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1984. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets measurement, machines and chemical engineering are CIRRUS DIAGNOSTICS INC, HY ENERGY LLC and BOEHRINGER INGELHEIM DIAGNOST.

Patent filings per year

Chart showing HACH COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Palumbo Perry A 59
#2 Woodward John Robert 30
#3 Rajasekharan Vishnu Vardhanan 23
#4 Salzer Corey Alan 21
#5 Moore Leon Edward 18
#6 Harmon Brian 18
#7 Rajasekharan Vishnu 17
#8 Young Russell Martin 15
#9 Mitchell Thomas Owen 15
#10 Macfarland Darren 15

Latest patents

Publication Filing date Title
US2021025862A1 Ultra low range chlorine measurement
WO2021034897A2 Color coding for chemistries and instruments utilized in a chemical test
WO2020198725A1 Non-bleaching colorimetric and fluorometric analyte detection by degradation of solids
EP3767286A1 Sp3 substituted carbon electrode analysis
US2021123898A1 Nitrate detection with copper oxidation
US2021102930A1 Method for detection of total chlorine in seawater
US2021033579A1 Sulfate detection with barium
US2021116415A1 Aqueous sample measurement via oxidizing metal to higher valence
US2021018442A1 Fluorescent measurement of filming amines
US2021003529A1 pH MEASUREMENT OF AN AQUEOUS SAMPLE
EP3814283A2 Suspended solids measurement of wastewater
EP3814768A1 Aqueous peracetic acid detection
US2020386682A1 Ultra low range free chlorine measurement
US2020378917A1 Electrochemistry sensor housing
US2020378893A1 Ultra low range sulfite measurement
EP3803366A1 Ph measurement of an aqueous sample
US2020363334A1 Ultra low range chlorine measurement
US2020338560A1 Liquid mixing
US2020333304A1 Colorimetric detection of fluoride in an aqueous sample
US2020264145A1 Colorimetric detection of aluminum in an aqueous sample