Inventor
CHAN JOHN GEOFFREY
US30 patents
⚠️ This page may combine multiple inventors who share the name “CHAN JOHN GEOFFREY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROCTER & GAMBLE
17 patentsUSD461959SAug 27, 2002
Toothbrush head
PROCTER & GAMBLE64 citations96
US7698771B2Apr 20, 2010
Electric toothbrush
PROCTER & GAMBLE20 citations93
US6877638B2Apr 12, 2005
Uniform dispensing, multi-chambered tube comprising a flow regulating element
PROCTER & GAMBLE32 citations93
US6845884B2Jan 25, 2005
Multi-chambered, uniform dispensing tube
PROCTER & GAMBLE28 citations93
US7861348B2Jan 4, 2011
Electric toothbrushes
PROCTER & GAMBLE19 citations92
USD515318SFeb 21, 2006
Bristle carrier for electric toothbrush
PROCTER & GAMBLE30 citations92
US6948209B2Sep 27, 2005
Electric toothbrushes having flexible necks
PROCTER & GAMBLE48 citations92
USD499884SDec 21, 2004
Electric toothbrush
PROCTER & GAMBLE18 citations92
US7845039B2Dec 7, 2010
Toothbrush with severable electrical connections
PROCTER & GAMBLE45 citations90
US7748070B2Jul 6, 2010
Electric toothbrush comprising an electrically powered element
PROCTER & GAMBLE36 citations90
USD561475SFeb 12, 2008
Toothbrush head
PROCTER & GAMBLE12 citations84
US7421753B2Sep 9, 2008
Electric toothbrushes
PROCTER & GAMBLE15 citations75
US9986820B2Jun 5, 2018
Filament having unique tip and surface characteristics
PROCTER & GAMBLE2 citations72
US8955186B2Feb 17, 2015
Electric toothbrushes
PROCTER & GAMBLE2 citations63
US6988292B1Jan 24, 2006
Flexible brush comprising a mixture of polymers
PROCTER & GAMBLE5 citations61
US9340903B2May 17, 2016
Process for making filament having unique tip and surface characteristics
PROCTER & GAMBLE0 citations51
US10292488B2May 21, 2019
Filament having unique tip and surface characteristics
PROCTER & GAMBLE0 citations41
CHURCH & DWIGHT CO INC
8 patentsUS7356866B2Apr 15, 2008
Modular electric toothbrushes
CHURCH & DWIGHT CO INC49 citations92
USD563106SMar 4, 2008
Head portion of a toothbrush
CHURCH & DWIGHT CO INC20 citations92
US7225494B2Jun 5, 2007
Multi-motion toothbrush
CHURCH & DWIGHT CO INC51 citations92
USD536876SFeb 20, 2007
Head portion of a toothbrush
CHURCH & DWIGHT CO INC29 citations92
US7228583B2Jun 12, 2007
Electric toothbrush housing design
CHURCH & DWIGHT CO INC34 citations91
US7398575B2Jul 15, 2008
Electric toothbrush having a flexible drive shaft
CHURCH & DWIGHT CO INC10 citations84
US7322066B2Jan 29, 2008
Electric toothbrushes having movable, intermittently movable, and fixed bristles
CHURCH & DWIGHT CO INC12 citations83
USD558455SJan 1, 2008
Set of bristles for an electric toothbrush
CHURCH & DWIGHT CO INC2 citations62
CHAN JOHN GEOFFREY
5 patentsUS8584299B2Nov 19, 2013
Electric toothbrushes
CHAN JOHN GEOFFREY19 citations92
US8511522B2Aug 20, 2013
Valve and dispenser comprising same
CHAN JOHN GEOFFREY50 citations91
US8454882B2Jun 4, 2013
Material dispensing system and method for making same
CHAN JOHN GEOFFREY26 citations89
US8631970B2Jan 21, 2014
Multi-chamber material dispensing system and method for making same
CHAN JOHN GEOFFREY9 citations81
US8096011B2Jan 17, 2012
Electric toothbrushes
CHAN JOHN GEOFFREY1 citations52