Stephen D. Simpson

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Kingston, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for automatically controlling a chemical cleaning stage of a...
- Patent number 6,524,391
- Issue date Feb 25, 2003
- Alcan International Limited
- Stephen D. Simpson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of controlling solution concentration in strip cleaning line
- Patent number 6,494,961
- Issue date Dec 17, 2002
- Alcan International Limited
- Stephen D. Simpson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Method of controlling a chemical cleaning line for aluminum strip
- Publication number 20020139391
- Publication date Oct 3, 2002
- Stephen D. Simpson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method of controlling solution concentration in strip cleaning line
- Publication number 20020139397
- Publication date Oct 3, 2002
- Stephen D. Simpson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...