Inventor · disambiguated record
Michael Donovan Mitchell
Also filed as: MITCHELL MICHAEL D · MITCHELL MICHAEL DONOVAN
22 granted patents·13 pending applications·316 citations·filing 1992–2022
96Inventor score
Files withPROCTER & GAMBLE16PUR WATER PURIFICATION PROD8HELEN OF TROY LTD5BAHM JEANNINE R1BAHM JEANNINE REBECCA1
Top patents by PatentIndex Score
35 records- 0197US7850859B2Water treating methodsPROCTER & GAMBLE·Filed 2009·Granted Dec 14, 2010·33 cites·23 claims
- 0297US7740765B2Methods for treating waterPROCTER & GAMBLE·Filed 2009·Granted Jun 22, 2010·44 cites·21 claims
- 0394US10336629B2Gravity filterHELEN OF TROY LTD·Filed 2018·Granted Jul 2, 2019·5 cites·18 claims
- 0491US7922008B2Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particlesPROCTER & GAMBLE·Filed 2009·Granted Apr 12, 2011·19 cites·21 claims
- 0590US7712613B2Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particlesPUR WATER PURIFICATION PROD·Filed 2008·Granted May 11, 2010·17 cites·16 claims
- 0689US9994461B2Gravity filterHELEN OF TROY LTD·Filed 2012·Granted Jun 12, 2018·5 cites·23 claims
- 0789US8119012B2Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particlesBAHM JEANNINE REBECCA·Filed 2011·Granted Feb 21, 2012·15 cites·20 claims
- 0886US7614506B2Water filter materials and water filters and processes for using the samePUR WATER PURIFICATION PROD·Filed 2003·Granted Nov 10, 2009·28 cites·25 claims
- 0984US7537695B2Water filter incorporating activated carbon particles with surface-grown carbon nanofilamentsPUR WATER PURIFICATION PROD·Filed 2005·Granted May 26, 2009·10 cites·7 claims
- 1084US6733827B2Processes for manufacturing particles coated with activated lignosulfonatePROCTER & GAMBLE·Filed 2001·Granted May 11, 2004·22 cites·13 claims
- 1183US6827854B2Filters and filter materials for the removal of microorganisms and processes for using the samePROCTER & GAMBLE·Filed 2001·Granted Dec 7, 2004·23 cites·26 claims
- 1281US7896168B2Filters having improved permeability and virus removal capabilitiesPROCTER & GAMBLE·Filed 2007·Granted Mar 1, 2011·7 cites·25 claims
- 1378US7740766B2Methods for treating waterPROCTER & GAMBLE·Filed 2009·Granted Jun 22, 2010·5 cites·20 claims
- 1476US7614508B2Water filter materials, water filters and kits containing silver coated particles and processes for using the samePUR WATER PURIFICATION PROD·Filed 2003·Granted Nov 10, 2009·16 cites·17 claims
- 1575US7614507B2Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the samePUR WATER PURIFICATION PROD·Filed 2003·Granted Nov 10, 2009·15 cites·16 claims
- 1675US7048842B2Electrolysis cell for generating chlorine dioxidePROCTER & GAMBLE·Filed 2001·Granted May 23, 2006·19 cites·22 claims
- 1772US8197790B2Method of making a filter material including activated carbon particles having carbon nanofilamentsMITCHELL MICHAEL DONOVAN·Filed 2009·Granted Jun 12, 2012·3 cites·20 claims
- 1872US7316323B2Filters having improved permeability and virus removal capabilitiesPUR WATER PURIFICATION PROD·Filed 2004·Granted Jan 8, 2008·13 cites·11 claims
- 1971US2019263683A1Gravity filterHELEN OF TROY LTD·Filed 2019·Application pending·0 cites
- 2069US7749394B2Methods of treating waterPROCTER & GAMBLE·Filed 2009·Granted Jul 6, 2010·2 cites·20 claims
- 2162US8333873B2Apparatus for electrolyzing an electrolytic solutionTREMBLAY MARIO ELMEN·Filed 2007·Granted Dec 18, 2012·1 cites·30 claims
- 2261US7186441B2Processes for manufacturing particles coated with activated lignosulfonatePUR WATER PURIFICATION PROD·Filed 2004·Granted Mar 6, 2007·3 cites·17 claims
- 2358US2017144132A1Filters comprising an activated carbon particle coated with pdadmac and methods of making sameHELEN OF TROY LTD·Filed 2017·Application pending·0 cites
- 2457US2024344721A1Wick cartridge for an evaporative humidifierHELEN OF TROY LTD·Filed 2022·Application pending·0 cites
- 2555US2024068679A1Evaporative humidifierJOHNSON KEVIN M·Filed 2021·Application pending·0 cites
- 2653US2010006508A1Multi-Stage Water FiltersPROCTER & GAMBLE·Filed 2009·Application pending·0 cites
- 2750US2011139701A1Filters comprising an activated carbon particle coated with pdadmac and methods of making samePUR WATER PURIFICATION PROD·Filed 2010·Application pending·0 cites
- 2848US2005279696A1Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particlesBAHM JEANNINE R·Filed 2005·Application pending·0 cites
- 2943US2004149571A1Electrolysis cell for generating halogen (and particularly chlorine) dioxide in an appliancePROCTER & GAMBLE·Filed 2003·Application pending·0 cites
- 3043US2008287019A1Modified Polyolefin SurfacesPROCTER & GAMBLE·Filed 2008·Application pending·0 cites
- 3142US2005263453A1Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particlesPROCTER & GAMBLE·Filed 2005·Application pending·0 cites
- 3242US2003217967A1Processes for manufacturing water filter materials and water filtersPROCTER & GAMBLE·Filed 2003·Application pending·0 cites
- 3341US5226733ANon-linear signal gain compression and samplingUNITED TECHNOLOGIES CORP·Filed 1992·Granted Jul 13, 1993·11 cites·7 claims
- 3440US2003038084A1Water filters and processes for using the samePROCTER & GAMBLE·Filed 2001·Application pending·0 cites
- 3539US2003096703A1Processes for manufacturing water filtersPROCTER & GAMBLE·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →