Assignee
DRAKE WATER TECH INC
US·4 granted patents·7 citations·filing 2014–2020
Top patents by PatentIndex Score
4 records- 0187US9931584B2Methods and apparatus for counter-current leaching of finely divided solidsDRAKE WATER TECH INC·Filed 2016·Granted Apr 3, 2018·3 cites·11 claims
- 0277US9643862B2Methods for hydrodynamic control of a continuous water purification systemDRAKE WATER TECH INC·Filed 2014·Granted May 9, 2017·3 cites·12 claims
- 0372US11207613B2Methods and apparatus for counter-current leaching of finely divided solidsDRAKE WATER TECH INC·Filed 2020·Granted Dec 28, 2021·0 cites·20 claims
- 0470US9714178B2Method for selectively removing silica from strong brines using activated aluminaDRAKE WATER TECH INC·Filed 2015·Granted Jul 25, 2017·1 cites·10 claims
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