Inventor · disambiguated record
Joseph B. Richey, Ii
Also filed as: CHEIKY MICHAEL C · RICHEY II JOSEPH B · RICHEY III JOSEPH B · RICHEY JOSEPH
46 granted patents·9 pending applications·2,245 citations·filing 1974–2024
99Inventor score
Files withINVACARE CORP25OHIO NUCLEAR5GOOGLE LLC4INTELLECTUAL PROPERTY HOLDINGS LLC4RICHEY II JOSEPH B4
Top patents by PatentIndex Score
55 records- 0199US6302107B1Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilizationINVACARE CORP·Filed 1998·Granted Oct 16, 2001·163 cites·22 claims
- 0299US5988165AApparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilizationINVACARE CORP·Filed 1997·Granted Nov 23, 1999·203 cites·26 claims
- 0398US7294170B2Apparatus for compressing and storing oxygen enriched gasINVACARE CORP·Filed 2005·Granted Nov 13, 2007·69 cites·6 claims
- 0497US6923180B2Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storageINVACARE CORP·Filed 2003·Granted Aug 2, 2005·91 cites·24 claims
- 0597US6805122B2Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storageINVACARE CORP·Filed 2001·Granted Oct 19, 2004·88 cites·24 claims
- 0696US6131651AFlexible heat transfer device and methodADVANCED CERAMICS CORP·Filed 1998·Granted Oct 17, 2000·213 cites·9 claims
- 0795US9429202B2Ceramic preform and methodINTELLECTUAL PROPERTY HOLDINGS LLC·Filed 2013·Granted Aug 30, 2016·9 cites·17 claims
- 0895US8123497B2Apparatus for compressing and storing oxygen enriched gasRICHEY II JOSEPH B·Filed 2007·Granted Feb 28, 2012·30 cites·9 claims
- 0994US9132377B2System and method for concentrating gasINVACARE CORP·Filed 2013·Granted Sep 15, 2015·10 cites·23 claims
- 1094US4547892ACardiac imaging with CT scannerTECHNICARE CORP·Filed 1979·Granted Oct 15, 1985·121 cites·13 claims
- 1192US7204249B1Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storageINVCARE CORP·Filed 2000·Granted Apr 17, 2007·95 cites·18 claims
- 1292US6889726B2Method and apparatus for filling portable high pressure cylinders with respiratory oxygenINVACARE CORP·Filed 2002·Granted May 10, 2005·48 cites·23 claims
- 1392US5366037APowered wheelchair having drive motors integrated into driven wheelsINVACARE CORP·Filed 1992·Granted Nov 22, 1994·130 cites·17 claims
- 1491US4131802AAutomatic patient table having means for transporting patient along a tableOHIO NUCLEAR·Filed 1977·Granted Dec 26, 1978·246 cites·18 claims
- 1588US6615937B2Motorized wheelchairsINVACARE CORP·Filed 2001·Granted Sep 9, 2003·76 cites·31 claims
- 1688US4151416ADynamic uniform flood correction for radioisotope camerasOHIO NUCLEAR·Filed 1977·Granted Apr 24, 1979·33 cites·18 claims
- 1787US9120050B2Product gas concentrator utilizing vacuum swing adsorption and method associated therewithINVACARE CORP·Filed 2013·Granted Sep 1, 2015·7 cites·20 claims
- 1887US6990980B2Carbon dioxide-based Bi-level CPAP controlINVACARE CORP·Filed 2001·Granted Jan 31, 2006·114 cites·33 claims
- 1987US6202773B1Motorized wheelchairsINVACARE CORP·Filed 1999·Granted Mar 20, 2001·85 cites·10 claims
- 2086US9714686B2Ceramic preform and methodINTELLECTUAL PROPERTY HOLDINGS LLC·Filed 2014·Granted Jul 25, 2017·5 cites·22 claims
- 2183US6926106B2Wheelchair having speed and direction control touchpadINVACARE CORP·Filed 2003·Granted Aug 9, 2005·47 cites·10 claims
- 2281US12443543B2Internal storage in cloud disk to support encrypted hard drive and other stateful featuresGOOGLE LLC·Filed 2024·Granted Oct 14, 2025·0 cites·18 claims
- 2381US4359759ABias lighting in a radiographic apparatus and methodTECHNICARE CORP·Filed 1980·Granted Nov 16, 1982·31 cites·7 claims
- 2480US10300427B2System and method for concentrating gasINVACARE CORP·Filed 2017·Granted May 28, 2019·1 cites·20 claims
- 2580US8261742B2Method and apparatus for adjusting desired pressure in positive airway pressure devicesSTROTHMANN THOMAS·Filed 2008·Granted Sep 11, 2012·23 cites·43 claims
- 2680US7013726B1Fluidic demand apparatus and MEMS flow sensor for use thereinINVACARE CORP·Filed 2004·Granted Mar 21, 2006·21 cites·20 claims
- 2780US6794836B2Electric motor drive controller with voltage control circuit operative in different modesINVACARE CORP·Filed 2002·Granted Sep 21, 2004·22 cites·20 claims
- 2878US3970852AProcess and apparatus for scanning sections of radiationOHIO NUCLEAR·Filed 1974·Granted Jul 20, 1976·23 cites·32 claims
- 2977US11977492B2Internal storage in cloud disk to support encrypted hard drive and other stateful featuresGOOGLE LLC·Filed 2023·Granted May 7, 2024·0 cites·26 claims
- 3070US8640701B2Carbon dioxide-based bi-level CPAP controlRICHEY II JOSEPH B·Filed 2005·Granted Feb 4, 2014·7 cites·18 claims
- 3170US7178563B2Method and apparatus for filling portable high pressure cylinders with respiratory oxygenINVACARE CORP·Filed 2004·Granted Feb 20, 2007·15 cites·15 claims
- 3270US5794638AComposite base assembly for cane having fifth legINVACARE CORP·Filed 1996·Granted Aug 18, 1998·44 cites·12 claims
- 3369US4143273AVariable collimatorOHIO NUCLEAR·Filed 1977·Granted Mar 6, 1979·53 cites·26 claims
- 3467US4304999AEccentric source collimator assembly for rotating source CT scannerTECHNICARE CORP·Filed 1979·Granted Dec 8, 1981·47 cites·27 claims
- 3565US9840030B2Ceramic preform and methodINTELLECTUAL PROPERTY HOLDINGS LLC·Filed 2016·Granted Dec 12, 2017·0 cites·20 claims
- 3663US5094310APowered wheelchair having transversely mounted drive mechanismINVACARE CORP·Filed 1990·Granted Mar 10, 1992·50 cites·7 claims
- 3762US8800556B2Electronic oxygen conserver and filling unitRICHEY II JOSEPH B·Filed 2006·Granted Aug 12, 2014·4 cites·9 claims
- 3862US8452511B2Motorized wheelchairSTROTHMANN THOMAS·Filed 2012·Granted May 28, 2013·3 cites·30 claims
- 3962US8315770B2Motorized wheelchairSTROTHMANN THOMAS·Filed 2008·Granted Nov 20, 2012·5 cites·30 claims
- 4061US9694311B2System and method for concentrating gasINVACARE CORP·Filed 2015·Granted Jul 4, 2017·0 cites·21 claims
- 4160US11693792B2Infernal storage in cloud disk to support encrypted hard drive and other stateful featuresGOOGLE LLC·Filed 2018·Granted Jul 4, 2023·0 cites·26 claims
- 4258US7343796B2Fluidic demand apparatus and MEMS flow sensor for use thereinINVACARE CORP·Filed 2006·Granted Mar 18, 2008·3 cites·23 claims
- 4355US2015101709A1Electronic oxygen conserver and filling unitINVACARE CORP·Filed 2014·Application pending·0 cites
- 4452US12316765B2Untrusted multi-party compute systemGOOGLE LLC·Filed 2023·Granted May 27, 2025·0 cites·20 claims
- 4551US2012152248A1Apparatus for compressing and storing oxygen enriched gasRICHEY II JOSEPH B·Filed 2012·Application pending·0 cites
- 4649US2008251079A1Apparatus and method for providing positive airway pressureINVACARE CORP·Filed 2008·Application pending·0 cites
- 4746US2005136299A1Oxygen supply systemFiled 2004·Application pending·0 cites
- 4845US2005016780A1Portable mid-wheel drive scooterFiled 2004·Application pending·0 cites
- 4944US10830296B2Ceramic preform and methodINTELLECTUAL PROPERTY HOLDINGS LLC·Filed 2017·Granted Nov 10, 2020·0 cites·20 claims
- 5041US2004035627A1Mid-wheel drive scooterFiled 2003·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →