Robert J. Barnett

Person

Goldendale, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cu—Ni—Fe anode for use in aluminum producing electrolytic cell
- Patent number 7,077,945
- Issue date Jul 18, 2006
- Northwest Aluminum Technologies
- S. Craig Bergsma
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolytic cell for production of aluminum from alumina
- Patent number 6,866,768
- Issue date Mar 15, 2005
- Donald R Bradford
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Maintaining molten salt electrolyte concentration in aluminum-produ...
- Patent number 6,837,982
- Issue date Jan 4, 2005
- Northwest Aluminum Technologies
- Robert J. Barnett
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolytic cell for production of aluminum from alumina
- Patent number 6,811,676
- Issue date Nov 2, 2004
- Northwest Aluminum Technologies
- Donald R. Bradford
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolytic cell for producing aluminum employing planar anodes
- Patent number 6,800,191
- Issue date Oct 5, 2004
- Northwest Aluminum Technologies
- Robert J. Barnett
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anode for use in aluminum producing electrolytic cell
- Patent number 6,558,525
- Issue date May 6, 2003
- Northwest Aluminum Technologies
- Donald R. Bradford
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for treating alumina-bearing ores to recover metal values t...
- Patent number 6,468,483
- Issue date Oct 22, 2002
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for treating red mud to recover metal values therefrom
- Patent number 6,248,302
- Issue date Jun 19, 2001
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering chloride and sulfate compounds from spent potliner
- Patent number 6,231,822
- Issue date May 15, 2001
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Production of fumed silica
- Patent number 6,217,840
- Issue date Apr 17, 2001
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering carbon, silica and alumina from spent potliner
- Patent number 6,217,836
- Issue date Apr 17, 2001
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of recovering fumed silica from spent potliner
- Patent number 6,193,944
- Issue date Feb 27, 2001
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of AlF3 from spent potliner
- Patent number 6,187,275
- Issue date Feb 13, 2001
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of treating spent potliner material from aluminum reduction...
- Patent number 6,123,908
- Issue date Sep 26, 2000
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of treating spent potliner material from aluminum reduction...
- Patent number 5,955,042
- Issue date Sep 21, 1999
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of treating spent potliner material from aluminum reduction...
- Patent number 5,723,097
- Issue date Mar 3, 1998
- Goldendale Aluminum Company
- Robert J. Barnett
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Anode for use in aluminum producing electrolytic cell
- Publication number 20070278107
- Publication date Dec 6, 2007
- Northwest Aluminum Technologies
- Robert J. Barnett
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Electrolytic cell for production of aluminum from alumina
- Publication number 20040011660
- Publication date Jan 22, 2004
- Donald R. Bradford
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Electrolytic cell for production of aluminum from alumina
- Publication number 20040011661
- Publication date Jan 22, 2004
- Donald R. Bradford
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Cu-ni-fe anode for use in aluminum producing electrolytic cell
- Publication number 20030201189
- Publication date Oct 30, 2003
- S. Craig Bergsma
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Electrolytic cell for producing aluminum employing planar anodes
- Publication number 20030173227
- Publication date Sep 18, 2003
- Robert J. Barnett
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Maintaining molten salt electrolyte concentration in aluminum-produ...
- Publication number 20030141197
- Publication date Jul 31, 2003
- Robert J. Barnett
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Process for treating alumina-bearing ores to recover metal values t...
- Publication number 20010051121
- Publication date Dec 13, 2001
- Robert J. Barnett
- C01 - INORGANIC CHEMISTRY

Robert J. Barnett

Person

Patents Grantslast 30 patents

Cu—Ni—Fe anode for use in aluminum producing electrolytic cell

Electrolytic cell for production of aluminum from alumina

Maintaining molten salt electrolyte concentration in aluminum-produ...

Electrolytic cell for production of aluminum from alumina

Electrolytic cell for producing aluminum employing planar anodes

Anode for use in aluminum producing electrolytic cell

Process for treating alumina-bearing ores to recover metal values t...

Process for treating red mud to recover metal values therefrom

Recovering chloride and sulfate compounds from spent potliner

Production of fumed silica

Recovering carbon, silica and alumina from spent potliner

Method of recovering fumed silica from spent potliner

Recovery of AlF3 from spent potliner

Method of treating spent potliner material from aluminum reduction...

Method of treating spent potliner material from aluminum reduction...

Method of treating spent potliner material from aluminum reduction...

Patents Applicationslast 30 patents

Anode for use in aluminum producing electrolytic cell

Electrolytic cell for production of aluminum from alumina

Electrolytic cell for production of aluminum from alumina

Cu-ni-fe anode for use in aluminum producing electrolytic cell

Electrolytic cell for producing aluminum employing planar anodes

Maintaining molten salt electrolyte concentration in aluminum-produ...

Process for treating alumina-bearing ores to recover metal values t...