Inventor · disambiguated record

Derek E. Kerfoot

Also filed as: KERFOOT DEREK E

2 granted patents·59 citations·filing 1983–1992

65Inventor score

Technology areasC22B Y02P

Files withSHERRITT GORDON LTD1 SHERRITT GORDON MINES LTD1

Top patents by PatentIndex Score

2 records

0184US5348713ARecovery of metal values from zinc plant residuesSHERRITT GORDON LTD·Filed 1992·Granted Sep 20, 1994·36 cites·9 claims
0274US4594102ARecovery of cobalt and nickel from sulphidic materialSHERRITT GORDON MINES LTD·Filed 1983·Granted Jun 10, 1986·23 cites·6 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →