Inventor · disambiguated record
Donald J. Thiel
Also filed as: THIEL DONALD J
3 granted patents·126 citations·filing 1988–2021
72Inventor score
Top patents by PatentIndex Score
3 records- 0183US4961854AActivated sludge wastewater treatment processENVIREX·Filed 1988·Granted Oct 9, 1990·66 cites·14 claims
- 0281US4975197AOrbal wastewater treatment processENVIREX·Filed 1990·Granted Dec 4, 1990·60 cites·9 claims
- 0356US11883764B2Sludge withdrawal mechanism for wasting and returning settled sludge from secondary clarifier with granular sludgeEVOQUA WATER TECH LLC·Filed 2021·Granted Jan 30, 2024·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →