Inventor · disambiguated record
Michael J. Collins
Also filed as: COLLINS MICHAEL · COLLINS MICHAEL J · COLLINS MICHAEL JOSEPH
10 granted patents·175 citations·filing 1990–2021
89Inventor score
Files with698638 ALBERTA LTD4SHERRITT GORDON LTD2SHERRITT INT CORPORATION2DYNATEC CORP1HOLLOWAY PRESTON CARL1
Top patents by PatentIndex Score
10 records- 0190US5730776AHydrometallurgical process for the extraction of copper from sulphidic concentrates698638 ALBERTA LTD·Filed 1996·Granted Mar 24, 1998·59 cites·45 claims
- 0285US7387767B2Recovery of nickel, cobalt, iron, silica, zinc and copper from laterite ore by sulfuric acid leachingDYNATEC CORP·Filed 2005·Granted Jun 17, 2008·20 cites·12 claims
- 0384US5348713ARecovery of metal values from zinc plant residuesSHERRITT GORDON LTD·Filed 1992·Granted Sep 20, 1994·36 cites·9 claims
- 0475US10544482B2Recovery of copper from arsenic-containing process feedSHERRITT INT CORPORATION·Filed 2016·Granted Jan 28, 2020·2 cites·36 claims
- 0573US5770170ARecovery of zinc from sulphidic concentrates698638 ALBERTA LTD·Filed 1996·Granted Jun 23, 1998·29 cites·6 claims
- 0660US8147781B2Recovering metal values from a metalliferrous materialHOLLOWAY PRESTON CARL·Filed 2009·Granted Apr 3, 2012·2 cites·62 claims
- 0751US12286686B2Co-processing of copper sulphide concentrate with nickel laterite oreSHERRITT INT CORPORATION·Filed 2021·Granted Apr 29, 2025·0 cites·37 claims
- 0851US5711929APurification of elemental sulphur698638 ALBERTA LTD·Filed 1995·Granted Jan 27, 1998·15 cites·8 claims
- 0950US5651947ARecovery of zinc from sulphidic concentrates698638 ALBERTA LTD·Filed 1995·Granted Jul 29, 1997·8 cites·16 claims
- 1038US5403571APurification of elemental sulphurSHERRITT GORDON LTD·Filed 1990·Granted Apr 4, 1995·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →