Inventor · disambiguated record
Charles H. Simpson
Also filed as: SIMPSON CHARLES · SIMPSON CHARLES H
8 granted patents·4 pending applications·85 citations·filing 1978–2012
86Inventor score
Top patents by PatentIndex Score
12 records- 0179US4435369AHydrometallurgical process for extraction of nickelSIMPSON CHARLES H·Filed 1982·Granted Mar 6, 1984·20 cites·4 claims
- 0277US7462233B2Pigment and coating composition capable of inhibiting corrosion of substratesSHERWIN WILLIAMS CO·Filed 2007·Granted Dec 9, 2008·5 cites·14 claims
- 0374US4439235AChlorination process for removing precious metals from oreSHEPARD JR JAMES J·Filed 1982·Granted Mar 27, 1984·19 cites·2 claims
- 0468US4203727AProcess for reducing the sulfur content of coalSIMPSON CHARLES H·Filed 1978·Granted May 20, 1980·18 cites·2 claims
- 0559US7601213B2Pigment and coating composition capable of inhibiting corrosion of substratesSHERWIN WILLIAMS CO·Filed 2008·Granted Oct 13, 2009·0 cites·20 claims
- 0648US2009197136A1High-Volume-Manufacture Fuel Cell Arrangement and Method for Production ThereofSIMPSON MARIA·Filed 2009·Application pending·0 cites
- 0746US4569678AMethod for removing pyritic, organic and elemental sulfur from coalSIMPSON CHARLES H·Filed 1984·Granted Feb 11, 1986·12 cites·48 claims
- 0841US9968084B2Synergistic herbicidal composition containing penoxsulam, triclopyr and imazethapyrMANN RICHARD K·Filed 2012·Granted May 15, 2018·0 cites·5 claims
- 0940US2012052410A1High-Volume-Manufacture Fuel Cell Arrangement and Method for Production ThereofSIMPSON MARIA·Filed 2009·Application pending·0 cites
- 1036US2011165330A1Primers comprising cerium molybdateSHERWIN WILLIAMS CO·Filed 2011·Application pending·0 cites
- 1134US2011171388A1Primers comprising cerium phosphateSHERWIN WILLIAMS CO·Filed 2011·Application pending·0 cites
- 1229US7531262B1High-volume-manufacture fuel cell arrangement and method for production thereofSIMPSON MARIA·Filed 1996·Granted May 12, 2009·11 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →