Inventor · disambiguated record
David N. Nilsen
Also filed as: NILSEN DAVID · NILSEN DAVID N
3 granted patents·35 citations·filing 1975–1995
70Inventor score
Top patents by PatentIndex Score
3 records- 0169US4258016AProcess for recovering Ni (II), Cu (II) and Co (II) from an ammoniacal-ammonium sulfate leach liquorUS INTERIOR·Filed 1980·Granted Mar 24, 1981·17 cites·6 claims
- 0256US3966462ARecovery of nitric acid soluble transition metals from sulfur and iron containing ores of the sameINT ORE TECHNOLOGY INC·Filed 1975·Granted Jun 29, 1976·11 cites·7 claims
- 0330US5593593AProcess for removing sulfate anions from waste waterUSA·Filed 1995·Granted Jan 14, 1997·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →