Inventor
GOERTZEN GEROLD
US24 patents
⚠️ This page may combine multiple inventors who share the name “GOERTZEN GEROLD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INVACARE CORP
18 patentsUS6935448B2Aug 30, 2005
Obstacle traversing wheelchair
INVACARE CORP70 citations99
US6554086B1Apr 29, 2003
Obstacle traversing wheelchair
INVACARE CORP191 citations99
US7597163B2Oct 6, 2009
Obstacle traversing wheelchair
INVACARE CORP55 citations98
US6923280B2Aug 2, 2005
Obstacle traversing wheelchair
INVACARE CORP62 citations96
US6889726B2May 10, 2005
Method and apparatus for filling portable high pressure cylinders with respiratory oxygen
INVACARE CORP48 citations96
US10512572B2Dec 24, 2019
Suspension for wheeled vehicles
INVACARE CORP10 citations92
US9987177B2Jun 5, 2018
Obstacle traversing wheelchair
INVACARE CORP16 citations92
US9925100B2Mar 27, 2018
Suspension for wheeled vehicles
INVACARE CORP11 citations92
US9364377B2Jun 14, 2016
Suspension for wheeled vehicles
INVACARE CORP20 citations92
US9149398B2Oct 6, 2015
Obstacle traversing wheelchair
INVACARE CORP10 citations92
US8833774B2Sep 16, 2014
Suspension for wheeled vehicles
INVACARE CORP20 citations92
US7302716B2Dec 4, 2007
Adjustable bed
INVACARE CORP17 citations90
US6983495B2Jan 10, 2006
Adjustable height bed
INVACARE CORP24 citations90
US7694990B2Apr 13, 2010
Anti-tip wheelchair
INVACARE CORP32 citations89
US9624918B2Apr 18, 2017
Pumping device
INVACARE CORP8 citations84
US7178563B2Feb 20, 2007
Method and apparatus for filling portable high pressure cylinders with respiratory oxygen
INVACARE CORP15 citations84
US11213441B2Jan 4, 2022
Suspension for wheeled vehicles
INVACARE CORP5 citations72
US7419182B2Sep 2, 2008
Mobility aid
INVACARE CORP8 citations70
GOERTZEN GEROLD
4 patentsUS8172016B2May 8, 2012
Obstacle traversing wheelchair
GOERTZEN GEROLD63 citations98
US8062003B2Nov 22, 2011
System and method for providing oxygen
GOERTZEN GEROLD55 citations93
US8534679B2Sep 17, 2013
Suspension for wheeled vehicles
GOERTZEN GEROLD24 citations92
US8636089B2Jan 28, 2014
Obstacle traversing wheelchair
GOERTZEN GEROLD11 citations91