Inventor
Thomas M. Jahns
Inventor
Schenectady, NY, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters37%
H02KDynamo-electric machines20%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%
F04DNon-positive-displacement pumps7%
H03KPulse technique7%
B63GOffensive or defensive arrangements on vessels3%
B63HMarine propulsion or steering3%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition3%
H05BElectric heating3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
PatentTitleYear
8,531,143'Permanent magnet motor with stator-based saliency for position sensorless drive'20137,902,710'Electric machine'20117,504,754'Rotor having multiple permanent-magnet pieces in a cavity'20096,909,620'Inverter configurations with shoot-through immunity'20056,132,182'Integrated motor and blower apparatus'20005,986,419'Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor'19995,893,705'Integrated motor and blower apparatus having two back-to-back coupled rotors'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'19985,289,107'Switched reluctance generator system with fault recovery capability'19944,896,088'Fault-tolerant switched reluctance machine'19904,859,885'Winding for linear pump'19894,777,579'Integrated current sensor configurations for AC motor drives'19884,777,578'Integrated current sensor torque control for ac motor drives'19884,743,828'Electric drive system'19884,649,331'Flux-weakening regime operation of an interior permanent magnet synchronous motor'19874,595,865'Current-sensing scheme for switched reluctance motor drives'19864,053,813'Discharge lamp ballast with resonant starting'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2000Patents assigned to GEN ELECTRIC (13)· patent assignee history
1977Based in Twin Lakes, WI, US· patent location history
1986–1999Based in Schenectady, NY, US· patent location history
1988Patents assigned to GOULD INC (1)· patent assignee history
1999–2000Based in Boxborough, MA, US· patent location history
2005–2013Patents assigned to WISCONSIN ALUMNI RES FOUND (3)· patent assignee history
2005–2013Based in Madison, WI, US· patent location history
2009–2011Patents assigned to CATERPILLAR INC (2)· patent assignee history
2013Patents assigned to JAHNS THOMAS MERLIN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 13 | 1977–2000 |
| WISCONSIN ALUMNI RES FOUND | 3 | 2005–2013 |
| CATERPILLAR INC | 2 | 2009–2011 |
| GOULD INC | 1 | 1988 |
| JAHNS THOMAS MERLINself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schenectady, New York, US | 11 | 1986–1999 |
| Madison, WI, US | 4 | 2005–2013 |
| Boxborough, Massachusetts, US | 2 | 1999–2000 |
| Twin Lakes, WI, US | 1 | 1977 |