Robert D. H. Willans

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Irail, CA

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Patents Grantslast 30 patents

Information Patent Grant
Electrode casting system
- Patent number 4,998,579
- Issue date Mar 12, 1991
- Cominco Ltd.
- Eric L. Mawer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for the casting of metals
- Patent number 4,969,502
- Issue date Nov 13, 1990
- Cominco Ltd.
- Eric L. Mawer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for agitating metals and producing alloys
- Patent number 4,743,428
- Issue date May 10, 1988
- Cominco Ltd.
- Dale L. McRae
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method and apparatus for dissolving nickel in molten zinc
- Patent number 4,717,540
- Issue date Jan 5, 1988
- Cominco Ltd.
- Dale L. McRae
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method and apparatus for stripping cathodes
- Patent number 4,479,854
- Issue date Oct 30, 1984
- Cominco Ltd.
- Robert D. H. Willans
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrode brushing apparatus
- Patent number 4,447,308
- Issue date May 8, 1984
- Cominco Ltd.
- Robert D. H. Willans
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Automatic stripping of cathode zinc
- Patent number 4,137,130
- Issue date Jan 30, 1979
- Cominco Ltd.
- Robert D. H. Willans
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR