Inventor
RICHEY II JOSEPH B
US23 patents
⚠️ This page may combine multiple inventors who share the name “RICHEY II JOSEPH B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INVACARE CORP
18 patentsUS6990980B2Jan 31, 2006
Carbon dioxide-based Bi-level CPAP control
INVACARE CORP114 citations98
US6302107B1Oct 16, 2001
Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization
INVACARE CORP163 citations98
US5988165ANov 23, 1999
Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization
INVACARE CORP203 citations98
US6923180B2Aug 2, 2005
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage
INVACARE CORP91 citations97
US6805122B2Oct 19, 2004
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage
INVACARE CORP88 citations97
US6615937B2Sep 9, 2003
Motorized wheelchairs
INVACARE CORP76 citations97
US6202773B1Mar 20, 2001
Motorized wheelchairs
INVACARE CORP85 citations97
US7294170B2Nov 13, 2007
Apparatus for compressing and storing oxygen enriched gas
INVACARE CORP69 citations96
US6889726B2May 10, 2005
Method and apparatus for filling portable high pressure cylinders with respiratory oxygen
INVACARE CORP48 citations96
US6926106B2Aug 9, 2005
Wheelchair having speed and direction control touchpad
INVACARE CORP47 citations92
US7013726B1Mar 21, 2006
Fluidic demand apparatus and MEMS flow sensor for use therein
INVACARE CORP21 citations90
US9132377B2Sep 15, 2015
System and method for concentrating gas
INVACARE CORP10 citations84
US9120050B2Sep 1, 2015
Product gas concentrator utilizing vacuum swing adsorption and method associated therewith
INVACARE CORP7 citations84
US7178563B2Feb 20, 2007
Method and apparatus for filling portable high pressure cylinders with respiratory oxygen
INVACARE CORP15 citations84
US10300427B2May 28, 2019
System and method for concentrating gas
INVACARE CORP1 citations73
US6963145B2Nov 8, 2005
System and method for driving an electric vehicle
INVACARE CORP2 citations63
US7343796B2Mar 18, 2008
Fluidic demand apparatus and MEMS flow sensor for use therein
INVACARE CORP3 citations60
US9694311B2Jul 4, 2017
System and method for concentrating gas
INVACARE CORP0 citations52
RICHEY II JOSEPH B
3 patentsUS8123497B2Feb 28, 2012
Apparatus for compressing and storing oxygen enriched gas
RICHEY II JOSEPH B30 citations94
US8640701B2Feb 4, 2014
Carbon dioxide-based bi-level CPAP control
RICHEY II JOSEPH B7 citations83
US8800556B2Aug 12, 2014
Electronic oxygen conserver and filling unit
RICHEY II JOSEPH B4 citations72