Inventor · disambiguated record
Angella Nicholle Greenawalt
Also filed as: Greenawalt Angella Nicholle
11 granted patents·2 pending applications·7 citations·filing 2016–2023
81Inventor score
Technology areasG01N
Files withHACH CO13
Top patents by PatentIndex Score
13 records- 0185US11422093B2Ultra low range free chlorine measurementHACH CO·Filed 2019·Granted Aug 23, 2022·3 cites·18 claims
- 0283US10890574B2Digestion of lead(0) and subsequent colorimetric detection of lead(II)HACH CO·Filed 2018·Granted Jan 12, 2021·2 cites·18 claims
- 0382US10794883B2Colorimetric detection of aluminum in an aqueous sampleHACH CO·Filed 2019·Granted Oct 6, 2020·2 cites·20 claims
- 0474US12429480B2Manganese detectionHACH CO·Filed 2022·Granted Sep 30, 2025·0 cites·9 claims
- 0562US2023375514A1Thiocarbamate-based indicator detection of ozoneHACH CO·Filed 2023·Application pending·0 cites
- 0661US11567052B2Nitrate detection with copper oxidationHACH CO·Filed 2019·Granted Jan 31, 2023·0 cites·7 claims
- 0757US11953480B2Aqueous peracetic acid detectionHACH CO·Filed 2019·Granted Apr 9, 2024·0 cites·12 claims
- 0856US12019021B2Zinc measurementHACH CO·Filed 2020·Granted Jun 25, 2024·0 cites·18 claims
- 0955US11333645B2Colorimetric detection of fluoride in an aqueous sampleHACH CO·Filed 2019·Granted May 17, 2022·0 cites·20 claims
- 1054US11549884B2Zinc and copper measurementHACH CO·Filed 2020·Granted Jan 10, 2023·0 cites·20 claims
- 1153US10317386B2Determination of aqueous nitrate concentrationHACH CO·Filed 2016·Granted Jun 11, 2019·0 cites·20 claims
- 1248US10794882B2Aqueous colorimetric fluoride detectionHACH CO·Filed 2018·Granted Oct 6, 2020·0 cites·9 claims
- 1345US2022178892A1Non-bleaching colorimetric and fluorometric analyte detection by degradation of solidsHACH CO·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →