John L. Cromwell

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Pincourt, CA

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Patents Grantslast 30 patents

Information Patent Grant
Silver electrolysis method in Moebius cells
- Patent number 5,620,586
- Issue date Apr 15, 1997
- Noranda, Inc.
- Pierre Claessens
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the electrochemical recovery of bismuth from an ion exc...
- Patent number 5,378,328
- Issue date Jan 3, 1995
- Noranda Inc.
- Varujan Baltazar
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Continuous silver refining cell
- Patent number 5,100,528
- Issue date Mar 31, 1992
- Noranda, Inc.
- Pierre L. Claessens
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Fluidized bed electrode system utilizing embedded insulator auxilia...
- Patent number 3,951,773
- Issue date Apr 20, 1976
- Noranda Mines Limited
- Pierre L. Claessens
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR