Inventor · disambiguated record
Donald A. Luke
Also filed as: LUKE DONALD A · LUKE DONALD ALLEN
22 granted patents·4 pending applications·224 citations·filing 1978–2024
95Inventor score
Files withNUQUATIC LLC9PHOSPHORUS FREE WATER SOLUTIONS LLC8ALLIED COLLOIDS LTD2CIBA SPEC CHEM WATER TREAT LTD2LUKE DONALD ALLEN2
Top patents by PatentIndex Score
26 records- 0196US11401181B1Galvanic process for treating aqueous compositionsPHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2021·Granted Aug 2, 2022·7 cites·19 claims
- 0296US11225420B2Removal of materials from waterPHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2021·Granted Jan 18, 2022·7 cites·14 claims
- 0396US11220443B2Removal of phosphorus and nitrogen from waterPHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2021·Granted Jan 11, 2022·8 cites·21 claims
- 0495US12168621B2Galvanic process for treating aqueous compositionsNUQUATIC LLC·Filed 2022·Granted Dec 17, 2024·3 cites·14 claims
- 0595US12122691B1Removal of fluoroalkyl compounds from water using galvanic cellNUQUATIC LLC·Filed 2024·Granted Oct 22, 2024·3 cites·20 claims
- 0692US12240772B2Treatment of aqueous composition with metal componentNUQUATIC LLC·Filed 2024·Granted Mar 4, 2025·1 cites·15 claims
- 0792US5609123AAnimal litter compositions and processes for making themALLIED COLLOIDS LTD·Filed 1995·Granted Mar 11, 1997·85 cites·14 claims
- 0891US7491333B1Industrial waste water treatment processCLEANWATER TECHNOLOGIES LLC·Filed 2007·Granted Feb 17, 2009·29 cites·40 claims
- 0990US12215044B2System for removal of phosphorus and nitrogen from waterNUQUATIC LLC·Filed 2021·Granted Feb 4, 2025·1 cites·18 claims
- 1086US9434090B1Process for the recovery and manufacture of valuable byproducts from fractionating sand mine waste productsLUKE DONALD ALLEN·Filed 2012·Granted Sep 6, 2016·7 cites·14 claims
- 1185US9254582B2Process for the manufacture of phosphorus removal aggregate from fractionating sand mine waste productsLUKE DONALD ALLEN·Filed 2013·Granted Feb 9, 2016·6 cites·19 claims
- 1284US12492137B2Galvanic process for treating aqueous compositionsNUQUATIC LLC·Filed 2023·Granted Dec 9, 2025·0 cites·18 claims
- 1381US2025019274A1Removal of fluoroalkyl compounds from water using galvanic cellNUQUATIC LLC·Filed 2024·Application pending·0 cites
- 1476US2022081330A1Removal of materials from waterPHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2021·Application pending·0 cites
- 1569US11267733B2Removal of phosphorus from waterPHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2018·Granted Mar 8, 2022·1 cites·17 claims
- 1664US12351492B2Removal of materials from waterNUQUATIC LLC·Filed 2021·Granted Jul 8, 2025·0 cites·19 claims
- 1763US2025263314A1Electrolytic removal of nitrogen from waterNUQUATIC LLC·Filed 2023·Application pending·0 cites
- 1861US6077441AMineral recovery processesCIBA SPEC CHEM WATER TREAT LTD·Filed 1999·Granted Jun 20, 2000·26 cites·13 claims
- 1961US4325918ADeprotonation of an alkylphenyl acid phosphate extractantUNC RECOVERY CORP·Filed 1979·Granted Apr 20, 1982·10 cites·28 claims
- 2052US11559782B2Reactive mediaPHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2018·Granted Jan 24, 2023·0 cites·20 claims
- 2151US11530137B2Acidic ferrate composition and methods of making ferratePHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2018·Granted Dec 20, 2022·0 cites·13 claims
- 2251US4289609AProcess for removing solid organic materials and other impurities from wet-process phosphoric acidURANIUM RECOVERY CORP·Filed 1978·Granted Sep 15, 1981·10 cites·19 claims
- 2347US11795084B2Denitrification of water using bacteriaNUQUATIC LLC·Filed 2019·Granted Oct 24, 2023·0 cites·19 claims
- 2446US2021188669A1Removal of phosphorus from waterPHOSPHORUS FREE WATER SOLUTIONS LLC·Filed 2019·Application pending·0 cites
- 2544US6213416B1Treatment of phosphate-containing rockCIBA SPEC CHEM WATER TREAT LTD·Filed 1999·Granted Apr 10, 2001·9 cites·7 claims
- 2643US5688404APhosphate recovery processesALLIED COLLOIDS LTD·Filed 1995·Granted Nov 18, 1997·11 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Donald A. Luke files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →