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Craig W. Brown
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The Dalles, OR, US
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Patents Grants
last 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
Cu-Ni-Fe anodes having improved microstructure
Patent number
6,723,222
Issue date
Apr 20, 2004
Northwest Aluminum Company
S. Craig Bergsma
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Cathode for a hall-heroult type electrolytic cell for producing alu...
Patent number
6,719,890
Issue date
Apr 13, 2004
Northwest Aluminum Technologies
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Cathode for aluminum producing electrolytic cell
Patent number
6,719,889
Issue date
Apr 13, 2004
Northwest Aluminum Technologies
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrolyte treatment for aluminum reduction
Patent number
6,497,807
Issue date
Dec 24, 2002
Northwest Aluminum Technologies
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Bath for electrolytic reduction of alumina and method therefor
Patent number
6,485,628
Issue date
Nov 26, 2002
Northwest Aluminum Technology
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Low temperature aluminum reduction cell using hollow cathode
Patent number
6,436,272
Issue date
Aug 20, 2002
Northwest Aluminum Technologies
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Aluminum low temperature smelting cell metal collection
Patent number
6,419,812
Issue date
Jul 16, 2002
Northwest Aluminum Technologies
Theodore R. Beck
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Cathode connector for aluminum low temperature smelting cell
Patent number
6,419,813
Issue date
Jul 16, 2002
Northwest Aluminum Technologies
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Combination for electrolytic reduction of alumina
Patent number
6,379,512
Issue date
Apr 30, 2002
Northwest Aluminum Technology
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Bath for electrolytic reduction of alumina and method therefor
Patent number
6,258,247
Issue date
Jul 10, 2001
Northwest Aluminum Technology
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
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
Cathode for aluminum producing electrolytic cell
Publication number
20030196910
Publication date
Oct 23, 2003
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Cathode for a hall-heroult type electrolytic cell for producing alu...
Publication number
20030196908
Publication date
Oct 23, 2003
Craig W. Brown
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Cu-ni-fe anodes having improved microstructure
Publication number
20030196909
Publication date
Oct 23, 2003
S.Craig Bergsma
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR