Inventor · disambiguated record
John Geoffrey Chan
Also filed as: CHAN JOHN G · CHAN JOHN GEOFFREY
36 granted patents·33 pending applications·1,371 citations·filing 1994–2018
98Inventor score
Files withPROCTER & GAMBLE44CHURCH & DWIGHT CO INC11CHAN JOHN GEOFFREY10CHAN JOHN G2GROH DAVID MATTHEW1
Top patents by PatentIndex Score
69 records- 0197US6993803B2Electric toothbrushes and packages containing sameCHURCH & DWIGHT CO INC·Filed 2002·Granted Feb 7, 2006·98 cites·12 claims
- 0297US5996845ASelf-closing liquid dispensing packagePROCTER & GAMBLE·Filed 1995·Granted Dec 7, 1999·168 cites·5 claims
- 0397US5529224ASelf-closing liquid dispensing packagePROCTER & GAMBLE·Filed 1994·Granted Jun 25, 1996·212 cites·7 claims
- 0495US6836917B2Replaceable head electric toothbrush and connection structure thereforPROCTER & GAMBLE·Filed 2001·Granted Jan 4, 2005·167 cites·22 claims
- 0594US8511522B2Valve and dispenser comprising sameCHAN JOHN GEOFFREY·Filed 2009·Granted Aug 20, 2013·50 cites·8 claims
- 0694US7748070B2Electric toothbrush comprising an electrically powered elementPROCTER & GAMBLE·Filed 2008·Granted Jul 6, 2010·36 cites·12 claims
- 0794USD461959SToothbrush headPROCTER & GAMBLE·Filed 2001·Granted Aug 27, 2002·64 cites·1 claims
- 0893US8454882B2Material dispensing system and method for making sameCHAN JOHN GEOFFREY·Filed 2009·Granted Jun 4, 2013·26 cites·10 claims
- 0993US7258229B2Electric toothbrushes and packages containing sameCHURCH & DWIGHT CO INC·Filed 2006·Granted Aug 21, 2007·24 cites·6 claims
- 1091US8584299B2Electric toothbrushesCHAN JOHN GEOFFREY·Filed 2007·Granted Nov 19, 2013·19 cites·21 claims
- 1190US7845039B2Toothbrush with severable electrical connectionsPROCTER & GAMBLE·Filed 2004·Granted Dec 7, 2010·45 cites·9 claims
- 1289US7861348B2Electric toothbrushesPROCTER & GAMBLE·Filed 2005·Granted Jan 4, 2011·19 cites·23 claims
- 1389US7356866B2Modular electric toothbrushesCHURCH & DWIGHT CO INC·Filed 2003·Granted Apr 15, 2008·49 cites·17 claims
- 1489US6948209B2Electric toothbrushes having flexible necksPROCTER & GAMBLE·Filed 2003·Granted Sep 27, 2005·48 cites·24 claims
- 1588US7225494B2Multi-motion toothbrushCHURCH & DWIGHT CO INC·Filed 2002·Granted Jun 5, 2007·51 cites·20 claims
- 1687US8631970B2Multi-chamber material dispensing system and method for making sameCHAN JOHN GEOFFREY·Filed 2009·Granted Jan 21, 2014·9 cites·16 claims
- 1786USD536876SHead portion of a toothbrushCHURCH & DWIGHT CO INC·Filed 2003·Granted Feb 20, 2007·29 cites·1 claims
- 1886USD476486SToothbrushPROCTER & GAMBLE·Filed 2002·Granted Jul 1, 2003·32 cites·1 claims
- 1985US7421753B2Electric toothbrushesPROCTER & GAMBLE·Filed 2006·Granted Sep 9, 2008·15 cites·11 claims
- 2084USD515318SBristle carrier for electric toothbrushPROCTER & GAMBLE·Filed 2003·Granted Feb 21, 2006·30 cites·1 claims
- 2183US6845884B2Multi-chambered, uniform dispensing tubePROCTER & GAMBLE·Filed 2004·Granted Jan 25, 2005·28 cites·7 claims
- 2282US7398575B2Electric toothbrush having a flexible drive shaftCHURCH & DWIGHT CO INC·Filed 2005·Granted Jul 15, 2008·10 cites·12 claims
- 2382US6877638B2Uniform dispensing, multi-chambered tube comprising a flow regulating elementPROCTER & GAMBLE·Filed 2003·Granted Apr 12, 2005·32 cites·3 claims
- 2479US7228583B2Electric toothbrush housing designCHURCH & DWIGHT CO INC·Filed 2003·Granted Jun 12, 2007·34 cites·10 claims
- 2577US8955186B2Electric toothbrushesPROCTER & GAMBLE·Filed 2013·Granted Feb 17, 2015·2 cites·20 claims
- 2677USD563106SHead portion of a toothbrushCHURCH & DWIGHT CO INC·Filed 2006·Granted Mar 4, 2008·20 cites·1 claims
- 2772US7723629B2Electric toothbrushes and packages containing sameCHURCH & DWIGHT CO INC·Filed 2007·Granted May 25, 2010·2 cites·14 claims
- 2872USD499884SElectric toothbrushPROCTER & GAMBLE·Filed 2002·Granted Dec 21, 2004·18 cites·1 claims
- 2969US9986820B2Filament having unique tip and surface characteristicsPROCTER & GAMBLE·Filed 2014·Granted Jun 5, 2018·2 cites·24 claims
- 3068US8096011B2Electric toothbrushesCHAN JOHN GEOFFREY·Filed 2010·Granted Jan 17, 2012·1 cites·7 claims
- 3166US7322066B2Electric toothbrushes having movable, intermittently movable, and fixed bristlesCHURCH & DWIGHT CO INC·Filed 2004·Granted Jan 29, 2008·12 cites·54 claims
- 3264US2008271271A1Modular electric toothbrushesCHAN JOHN GEOFFREY·Filed 2008·Application pending·0 cites
- 3362USD561475SToothbrush headPROCTER & GAMBLE·Filed 2003·Granted Feb 12, 2008·12 cites·1 claims
- 3459US2006137117A1Toothbrushes with a replaceable head having a threaded connectionPROCTER & GAMBLE·Filed 2006·Application pending·0 cites
- 3558US2011265276A1ToothbrushCHAN JOHN GEOFFREY·Filed 2011·Application pending·0 cites
- 3657US10292488B2Filament having unique tip and surface characteristicsPROCTER & GAMBLE·Filed 2018·Granted May 21, 2019·0 cites·20 claims
- 3757US2009044357A1Electric toothbrushesPROCTER & GAMBLE·Filed 2007·Application pending·0 cites
- 3856US2007130705A1Electric toothbrushesCHAN JOHN G·Filed 2006·Application pending·0 cites
- 3955US2006156495A1Electric toothbrushesPROCTER & GAMBLE·Filed 2006·Application pending·0 cites
- 4054US2005273952A1Electric toothbrushesCHAN JOHN G·Filed 2005·Application pending·0 cites
- 4153US2008072389A1Illuminated electric toothbrushes and methods of usePROCTER & GAMBLE·Filed 2007·Application pending·0 cites
- 4253US2007298372A1Illuminated electric toothbrushes emitting high luminous intensity toothbrushPROCTER & GAMBLE·Filed 2007·Application pending·0 cites
- 4353US2007298371A1Illuminated electric toothbrushes emitting high luminous intensity toothbrushPROCTER & GAMBLE·Filed 2007·Application pending·0 cites
- 4453US2007298370A1Illuminated electric toothbrushes emitting high luminous intensity toothbrushPROCTER & GAMBLE·Filed 2007·Application pending·0 cites
- 4552US2005000043A1Electric toothbrushesPROCTER & GAMBLE·Filed 2004·Application pending·0 cites
- 4652US2005278874A1Electric toothbrushPROCTER & GAMBLE·Filed 2005·Application pending·0 cites
- 4752US2006064827A1Electric toothbrush comprising elastomerPROCTER & GAMBLE·Filed 2005·Application pending·0 cites
- 4852US2006048315A1Electric toothbrushesPROCTER & GAMBLE·Filed 2005·Application pending·0 cites
- 4951US2006257822A1Illuminated electric toothbrushes and methods of usePROCTER & GAMBLE·Filed 2006·Application pending·0 cites
- 5050US9340903B2Process for making filament having unique tip and surface characteristicsPROCTER & GAMBLE·Filed 2014·Granted May 17, 2016·0 cites·20 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →