Inventor · disambiguated record
David Kratochvil
Also filed as: KRATOCHVIL DAVID · KRATOCHVIL DAVID F
6 granted patents·12 citations·filing 1978–2014
73Inventor score
Files withGEOSOURCE INC2BIOTEQ ENVIRONMENTAL TECH INC1BIOTEQ ENVIRONMENTAL TECHNOLOGIES INC1BRATTY MICHAEL1KRATOCHVIL DAVID1
Top patents by PatentIndex Score
6 records- 0174US9963360B2Removal of dissolved selenium from aqueous solutionsBIOTEQ ENVIRONMENTAL TECH INC·Filed 2014·Granted May 8, 2018·8 cites·39 claims
- 0269US8840793B2Selective sulphate removal by exclusive anion exchange from hard water waste streamsBIOTEQ ENVIRONMENTAL TECHNOLOGIES INC·Filed 2013·Granted Sep 23, 2014·3 cites·33 claims
- 0339US9085779B2Processes for producing h2s using sulphur-reducing bacteriaKRATOCHVIL DAVID·Filed 2009·Granted Jul 21, 2015·0 cites·63 claims
- 0438US8747678B2Nickel sulphide precipitation processBRATTY MICHAEL·Filed 2007·Granted Jun 10, 2014·0 cites·33 claims
- 0527US4307790AWeight-drop seismic exploration systemGEOSOURCE INC·Filed 1978·Granted Dec 29, 1981·1 cites·20 claims
- 0622US4519052AElectronic roll-a-long switchGEOSOURCE INC·Filed 1981·Granted May 21, 1985·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →