Inventor · disambiguated record
Stephen D. Simpson
Also filed as: SIMPSON STEPHEN · SIMPSON STEPHEN D
5 granted patents·1 pending application·76 citations·filing 1998–2009
77Inventor score
Top patents by PatentIndex Score
6 records- 0177US6029589APortable steam weed killing apparatusFiled 1998·Granted Feb 29, 2000·58 cites·5 claims
- 0273US6494961B2Method of controlling solution concentration in strip cleaning lineALCAN INT LTD·Filed 2001·Granted Dec 17, 2002·15 cites·7 claims
- 0358US6595222B2Chemical cleaning apparatus for cleaning metal stripALCAN INT LTD·Filed 2002·Granted Jul 22, 2003·2 cites·3 claims
- 0451US2009214790A1Method of making an ink-printed fibrous webSIMPSON STEPHEN·Filed 2009·Application pending·0 cites
- 0546US7947218B2Apparatus and method for coil coolingNOVELIS INC·Filed 2007·Granted May 24, 2011·1 cites·34 claims
- 0642US6524391B2Method for automatically controlling a chemical cleaning stage of a metal strip cleaning lineALCAN INT LTD·Filed 2001·Granted Feb 25, 2003·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →