Inventor
Joseph B. Richey, II
Inventor
Chagrin Falls, OH, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Mprimary
A61MDevices for introducing media into, or onto, the body12%
B01DSeparation8%
B60LPropulsion of electrically-propelled vehicles5%
A61BDiagnosis5%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons5%
A62BDevices, apparatus or methods for life-saving5%
F04BPositive-displacement machines for liquids5%
Y02TClimate change mitigation technologies related to transportation5%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,830,296Ceramic preform and method202010,300,427System and method for concentrating gas20199,840,030'Ceramic preform and method'20179,714,686'Ceramic preform and method'20179,694,311'System and method for concentrating gas'20179,429,202'Ceramic preform and method'20169,132,377'System and method for concentrating gas'20159,120,050'Product gas concentrator utilizing vacuum swing adsorption and method associated therewith'20158,800,556'Electronic oxygen conserver and filling unit'20148,640,701'Carbon dioxide-based bi-level CPAP control'20148,452,511'Motorized wheelchair'20138,315,770'Motorized wheelchair'20128,261,742'Method and apparatus for adjusting desired pressure in positive airway pressure devices'20128,123,497'Apparatus for compressing and storing oxygen enriched gas'20127,343,796'Fluidic demand apparatus and MEMS flow sensor for use therein'20087,294,170'Apparatus for compressing and storing oxygen enriched gas'20077,204,249'Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage'20077,178,563'Method and apparatus for filling portable high pressure cylinders with respiratory oxygen'20077,013,726'Fluidic demand apparatus and MEMS flow sensor for use therein'20066,990,980'Carbon dioxide-based Bi-level CPAP control'20066,963,145'System and method for driving an electric vehicle'20056,926,106'Wheelchair having speed and direction control touchpad'20056,923,180'Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage'20056,889,726'Method and apparatus for filling portable high pressure cylinders with respiratory oxygen'20056,805,122'Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage'20046,794,836'Electric motor drive controller with voltage control circuit operative in different modes'20046,615,937'Motorized wheelchairs'20036,302,107'Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization'20016,202,773'Motorized wheelchairs'20016,131,651'Flexible heat transfer device and method'20005,988,165'Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization'1999D0411653'Cane base'19995,794,638'Composite base assembly for cane having fifth leg'19985,366,037'Powered wheelchair having drive motors integrated into driven wheels'19945,094,310'Powered wheelchair having transversely mounted drive mechanism'19924,547,892'Cardiac imaging with CT scanner'19854,359,759'Bias lighting in a radiographic apparatus and method'19824,304,999'Eccentric source collimator assembly for rotating source CT scanner'19814,151,416'Dynamic uniform flood correction for radioisotope cameras'19794,146,795'Flexible cable control and take-up mechanism'19794,143,273'Variable collimator'19794,131,802'Automatic patient table having means for transporting patient along a table'19783,970,852'Process and apparatus for scanning sections of radiation'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1979Patents assigned to OHIO NUCLEAR (5)· patent assignee history
1976–1994Based in Shaker Heights, OH, US· patent location history
1992–2019Patents assigned to INVACARE CORP (29)· patent assignee history
1998–2020Based in Chagrin Falls, OH, US· patent location history
2000Based in Chesterland, OH, US· patent location history
2012–2014Patents assigned to RICHEY II JOSEPH B (4)· patent assignee history
2012–2014Patents assigned to STROTHMANN THOMAS (4)· patent assignee history
2016–2020Patents assigned to INTELLECTUAL PROPERTY HOLDINGS LLC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INVACARE CORP | 29 | 1992–2019 |
| OHIO NUCLEAR | 5 | 1976–1979 |
| INTELLECTUAL PROPERTY HOLDINGS LLC | 4 | 2016–2020 |
| RICHEY II JOSEPH Bself | 4 | 2012–2014 |
| STROTHMANN THOMAS | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chagrin Falls, OH, US | 32 | 1998–2020 |
| Shaker Heights, OH, US | 10 | 1976–1994 |
| Chesterland, OH, US | 1 | 2000 |