SS

Stephen D. Simpson

AL Alcan International Limited: 3 patents #96 of 522Top 20%
NO Novelis: 1 patents #155 of 284Top 55%
📍 Bonney Lake, WA: #38 of 150 inventorsTop 30%
🗺 Washington: #19,482 of 76,902 inventorsTop 30%
Overall (All Time): #1,021,606 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7947218 Apparatus and method for coil cooling Jean-Francois Ruta 2011-05-24
6595222 Chemical cleaning apparatus for cleaning metal strip Gregory J. Courval 2003-07-22
6524391 Method for automatically controlling a chemical cleaning stage of a metal strip cleaning line 2003-02-25
6494961 Method of controlling solution concentration in strip cleaning line 2002-12-17
6029589 Portable steam weed killing apparatus 2000-02-29