Douglas J. Robinson

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Phoenix, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for copper electrowinning in hydrochloric solution
- Patent number 7,658,833
- Issue date Feb 9, 2010
- De Nora Elettrodi S.p.A.
- Douglas J. Robinson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Falling bed cathode cell for metal electrowinning
- Patent number 7,601,247
- Issue date Oct 13, 2009
- De Nora Elettrodi S.p.A.
- Douglas J. Robinson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Spouted bed electrode cell for metal electrowinning
- Patent number 7,494,579
- Issue date Feb 24, 2009
- De Nora Elettrodi S.p.A.
- Douglas J. Robinson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Acid Mist Control Apparatus
- Publication number 20150361576
- Publication date Dec 17, 2015
- Hatch Associates Pty Ltd
- Robert John Fraser
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Falling bed cathode cell for metal electrowinning
- Publication number 20070102302
- Publication date May 10, 2007
- DE NORA ELETTRODI S.P.A.
- Douglas J. Robinson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Method for copper electrowinning in hydrochloric solution
- Publication number 20060163082
- Publication date Jul 27, 2006
- Douglas J. Robinson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Spouted bed electrode cell for metal electrowinning
- Publication number 20060124452
- Publication date Jun 15, 2006
- Douglas J. Robinson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR