Inventor
Jack S. Lawler
Inventor
Knoxville, TN, US
Overview
Patents· 4 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 converters50%
H02KDynamo-electric machines38%
Y02TClimate change mitigation technologies related to transportation13%
PatentTitleYear
6,236,179'Constant power speed range extension of surface mounted PM motors'20015,642,009'Quasi square-wave back-EMF permanent magnet AC machines with five or more phases'19975,394,321'Quasi square-wave back-EMF permanent magnet AC machines with five or more phases'19955,387,854'Method of torque notch minimization for quasi square wave back EMF permanent magnet synchronous machines with voltage source drive'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1997Patents assigned to ELECTRIC POWER RES INST (3)· patent assignee history
1995–2001Based in Knoxville, TN, US· patent location history
2001Patents assigned to LOCKHEED MARTIN ENERGY RES COR (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ELECTRIC POWER RES INST | 3 | 1995–1997 |
| LOCKHEED MARTIN ENERGY RES COR | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Knoxville, TN, US | 4 | 1995–2001 |