Inventor
Charles Michael Stephens
Inventor
Pattersonville, NY, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines33%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%
H01FMagnets7%
Y10TTechnical subjects covered by former us classification7%
D06FLaundering, drying, ironing, pressing or folding textile articles4%
F04DNon-positive-displacement pumps4%
G01RMeasuring electric variables4%
B63GOffensive or defensive arrangements on vessels2%
B63HMarine propulsion or steering2%
B63JAuxiliaries on vessels2%
PatentTitleYear
10,833,545Rotor for hybrid homopolar machine202010,833,541Tooth-wound stator assembly20208,928,441'Liquid cooled magnetic component with indirect cooling for high frequency and high power applications'20158,141,234'Optimal magnetization of non-magnetized permanent magnet segments in electrical machines'20127,811,068'Methods and apparatus for transporting natural gas through a pipeline'20107,709,988'Methods and apparatus for using an electrical machine to transport fluids through a pipeline'20107,228,616'System and method for magnetization of permanent magnet rotors in electrical machines'20077,145,302'Method and apparatus for driving a brushless direct current motor'20066,908,349'Combination AC motor drive and electrolyzer supply for marine vessel'20056,834,407'Method and apparatus for electronically commutated motor washer agitation controller'20046,777,847'Rotor core utilizing laminations having slots with dual direction skew portions'20046,445,105'Axial flux machine and method of fabrication'2002RE037576'Single phase motor with positive torque parking positions'20025,986,419'Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor'19995,859,513'Starting and synchronizing system for line-start permanent magnet motor'19995,838,127'Single phase motor for laundering apparatus'19985,796,194'Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor'19985,780,951'Low-cost bobbin-wound stator construction for small, single-phase AC motors'19985,773,908'Single phase motor with positive torque parking positions'19985,166,591'Current chopping strategy for generating action in switched reluctance machines'19924,967,464'Method of making a switched reluctance motor having plural-stage form-wound coil winding'19904,959,596'Switched reluctance motor drive system and laundering apparatus employing same'19904,896,089'Fault management system for a switched reluctance motor'19904,689,546'Internal armature current monitoring in large three-phase generator'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2015Patents assigned to GEN ELECTRIC (21)· patent assignee history
1987Based in Scotia, NY, US· patent location history
1990–2020Based in Pattersonville, NY, US· patent location history
2002Based in Patterson, NY, US· patent location history
2012–2015Patents assigned to STEPHENS CHARLES MICHAEL (2)· patent assignee history
2012–2015Patents assigned to WEEBER KONRAD ROMAN (2)· patent assignee history
2015Patents assigned to CAO YANG (1)· patent assignee history
2020Patents assigned to UNISON IND LLC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 21 | 1987–2015 |
| STEPHENS CHARLES MICHAELself | 2 | 2012–2015 |
| UNISON IND LLC | 2 | 2020 |
| WEEBER KONRAD ROMAN | 2 | 2012–2015 |
| CAO YANG | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pattersonville, New York, US | 22 | 1990–2020 |
| Patterson, New York, US | 1 | 2002 |
| Scotia, New York, US | 1 | 1987 |