Inventor · disambiguated record
Douglas Dale Warkentin
Also filed as: WARKENTIN DOUGLAS · WARKENTIN DOUGLAS D · WARKENTIN DOUGLAS DALE
5 granted patents·3 pending applications·103 citations·filing 1995–2023
81Inventor score
Files withBLUE SKY MINES LTD2ROCHER MANGANESE INC2CHOW NORMAN1MANGANESE X ENERGY CORP1WARKENTIN DOUGLAS1
Top patents by PatentIndex Score
8 records- 0189US10308523B1Processing of cobaltous sulphate/dithionate liquors derived from cobalt resourceROCHER MANGANESE INC·Filed 2019·Granted Jun 4, 2019·7 cites·18 claims
- 0289US8460631B2Processing of manganous sulphate/dithionate liquors derived from manganese resource materialCHOW NORMAN·Filed 2011·Granted Jun 11, 2013·7 cites·20 claims
- 0388US10246343B2Processing of cobaltous sulpha/dithionate liquors derived from cobalt resourceROCHER MANGANESE INC·Filed 2017·Granted Apr 2, 2019·6 cites·50 claims
- 0481US9566587B2Methods of and systems for treating incinerated wasteBLUE SKY MINES LTD·Filed 2012·Granted Feb 14, 2017·9 cites·20 claims
- 0581US5587079AProcess for treating solutions containing sulfate and metal ions.Filed 1995·Granted Dec 24, 1996·74 cites·29 claims
- 0658US2024092654A1Process for the purification of manganese sulfate solutions and subsequent crystallization of high purity manganese sulfate monohydrateMANGANESE X ENERGY CORP·Filed 2023·Application pending·0 cites
- 0751US2017106378A1Methods of and systems for treating incinerated wasteBLUE SKY MINES LTD·Filed 2016·Application pending·0 cites
- 0843US2013164810A1Sulfide generation via biological reduction of divalent,tetravalent or pentavalent sulfur containing combustion flue gas or liquorWARKENTIN DOUGLAS·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →