Assignee
ROVCAL INC
US50 patents
Top patents by PatentIndex Score
US7645540B2Jan 12, 2010
Separators for alkaline electrochemical cells
ROVCAL INC52 citations96
US7859220B2Dec 28, 2010
Method and apparatus for charging electrochemical cells
ROVCAL INC22 citations92
USD620641SJul 27, 2010
Personal grooming device
ROVCAL INC25 citations92
USD620642SJul 27, 2010
Personal grooming device
ROVCAL INC19 citations92
USD620198SJul 20, 2010
Personal grooming device
ROVCAL INC27 citations92
USD620200SJul 20, 2010
Personal grooming device
ROVCAL INC22 citations92
US7748123B2Jul 6, 2010
Electric hair cutting appliance with counter weight
ROVCAL INC33 citations92
USD513342SDec 27, 2005
Rotary shaver
ROVCAL INC20 citations92
US6922909B2Aug 2, 2005
Attachment for hair dryers
ROVCAL INC32 citations92
USD620643SJul 27, 2010
Lint remover
ROVCAL INC30 citations91
USD509920SSep 20, 2005
Lantern
ROVCAL INC35 citations91
US7931981B2Apr 26, 2011
Separators for alkaline electrochemical cells
ROVCAL INC35 citations90
USD632434SFeb 8, 2011
Personal grooming device
ROVCAL INC21 citations90
US7763384B2Jul 27, 2010
Alkaline cells having high capacity
ROVCAL INC14 citations89
US7074516B2Jul 11, 2006
Vent for cylindrical electrochemical batteries
ROVCAL INC24 citations89
US6872489B2Mar 29, 2005
Alkaline cell with gassing inhibitors
ROVCAL INC17 citations87
USD619766SJul 13, 2010
Portion of a personal grooming device
ROVCAL INC10 citations84
US7372237B2May 13, 2008
Method and apparatus for regulating charging of electrochemical cells using cell temperature increase rate
ROVCAL INC9 citations84
USD707624SJun 24, 2014
Charger
ROVCAL INC14 citations83
US7625451B2Dec 1, 2009
Method and apparatus for cleaning the cutting system of an electric shaver
ROVCAL INC12 citations82
US7807296B2Oct 5, 2010
Copper-manganese mixed oxide cathode material for use in alkaline cells having high capacity
ROVCAL INC11 citations80
US7169504B2Jan 30, 2007
Alkaline cell with performance enhancing additives
ROVCAL INC13 citations80
USD511493SNov 15, 2005
Charger
ROVCAL INC12 citations76
US7563537B2Jul 21, 2009
Ionically conductive clay additive for use in electrochemical cells
ROVCAL INC14 citations75
US8037613B2Oct 18, 2011
Shaving head for rotary shaver and method of manufacturing the same
ROVCAL INC13 citations74
US7557542B2Jul 7, 2009
Apparatus for regulating charging of electrochemical cells
ROVCAL INC6 citations73
USD509011SAug 30, 2005
Flashlight
ROVCAL INC10 citations73
USD504978SMay 10, 2005
Hair straightener
ROVCAL INC11 citations73
USD621096SAug 3, 2010
Personal grooming device
ROVCAL INC7 citations71
USD594614SJun 16, 2009
Body shape for a personal grooming device
ROVCAL INC7 citations71
USD508579SAug 16, 2005
Light
ROVCAL INC9 citations71
USD512182SNov 29, 2005
Rotary shaver
ROVCAL INC7 citations70
US6938775B2Sep 6, 2005
Button cell battery pack with air access channel
ROVCAL INC7 citations67
USD519449SApr 25, 2006
Charger
ROVCAL INC10 citations65
US6957490B2Oct 25, 2005
Drive system for beard and mustache trimmer
ROVCAL INC6 citations61
USD507067SJul 5, 2005
Combination light
ROVCAL INC4 citations61
USD620199SJul 20, 2010
Personal grooming device
ROVCAL INC2 citations60
US7740984B2Jun 22, 2010
Alkaline cells having high capacity
ROVCAL INC6 citations60
USD594613SJun 16, 2009
Personal grooming device
ROVCAL INC4 citations60
USD508747SAug 23, 2005
Flashlight
ROVCAL INC2 citations60
US7897266B2Mar 1, 2011
Personal grooming device having a tarnish resistant, hypoallergenic and/or antimicrobial silver alloy coating thereon
ROVCAL INC4 citations58
US7651814B2Jan 26, 2010
Electrochemical cell having improved radial seal
ROVCAL INC2 citations57
US7516745B2Apr 14, 2009
Heat delivery system for heated hair rollers/curlers and clips
ROVCAL INC5 citations54
US6975096B2Dec 13, 2005
Method and apparatus for regulating charging of electrochemical cells
ROVCAL INC0 citations52
US6919142B2Jul 19, 2005
Conducting polymer additives for alkaline electrochemical cell having zinc anode
ROVCAL INC0 citations52
US7749654B2Jul 6, 2010
Alkaline cell with performance enhancing additives
ROVCAL INC0 citations51
US6960409B2Nov 1, 2005
High discharge rate alkaline battery
ROVCAL INC4 citations50
USD511399SNov 8, 2005
Shaver
ROVCAL INC0 citations48
US7191522B2Mar 20, 2007
Cutting blade and cutting blade assembly for electric shaver
ROVCAL INC0 citations44
US8003251B2Aug 23, 2011
Electrochemical cell grommet having a sidewall with a nonuniform thickness
ROVCAL INC1 citations41