Inventor
HOWELL WILLIAM R
US27 patents
⚠️ This page may combine multiple inventors who share the name “HOWELL WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATTEL INC
21 patentsUS6755265B2Jun 29, 2004
Children's ride-on vehicle
MATTEL INC35 citations96
US6161847ADec 19, 2000
Push n' pedal n' rock trike
MATTEL INC61 citations96
US6994179B2Feb 7, 2006
Children's ride-on vehicle
MATTEL INC16 citations92
US6179331B1Jan 30, 2001
Children's ride-on vehicle having a vibrating engine model
MATTEL INC24 citations92
US6105982AAug 22, 2000
Children's ride-on vehicle with four-wheel steering
MATTEL INC32 citations92
US8366135B2Feb 5, 2013
Children's ride-on vehicles having detection systems
MATTEL INC25 citations91
US7207588B2Apr 24, 2007
Children's ride-on vehicle assemblies having trailing vehicle detection systems
MATTEL INC22 citations91
US7530411B2May 12, 2009
Children's ride-on vehicle
MATTEL INC9 citations84
US7938218B2May 10, 2011
Children's ride-on vehicles having ground detection systems
MATTEL INC11 citations82
US7621552B2Nov 24, 2009
Children's ride-on vehicle assemblies having trailing vehicle detection systems
MATTEL INC15 citations82
US7591335B2Sep 22, 2009
Children's ride-on vehicles having ground detection systems
MATTEL INC15 citations82
USD503661SApr 5, 2005
Children's ride-on vehicle
MATTEL INC6 citations74
US7195271B2Mar 27, 2007
Pinch-resistant hitch assembly and children's ride-on vehicle assemblies including the same
MATTEL INC7 citations73
US7918240B2Apr 5, 2011
Systems for preventing overinflation of inner tubes
MATTEL INC2 citations63
US6042148AMar 28, 2000
Laterally slidable footrest for a ride-on vehicle for children
MATTEL INC6 citations63
US9016803B2Apr 28, 2015
Axle mounting assemblies and children's products having axle mounting assemblies
MATTEL INC3 citations60
US10946922B2Mar 16, 2021
Ride-on toy vehicle configured to tilt and drift
MATTEL INC0 citations54
USD507993SAug 2, 2005
Children's ride-on vehicle component
MATTEL INC0 citations52
USD505364SMay 24, 2005
Children's ride-on vehicle component
MATTEL INC0 citations52
US9022456B2May 5, 2015
Pinch-relief hinged assemblies and children's products including pinch-relief hinged assemblies
MATTEL INC0 citations50
US9027685B2May 12, 2015
Latch assemblies and children's products that include latch assemblies
MATTEL INC1 citations42