Inventor
David F. Swanson
Inventor
Howell, MI, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks16%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters16%
G01FMeasuring volume, volume flow, mass flow or liquid level8%
H03KPulse technique8%
H05BElectric heating8%
Y02TClimate change mitigation technologies related to transportation8%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%
E05BLocks4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
PatentTitleYear
10,560,092Control circuit for power switch20209,331,616'Integrated circuit for motor drive controller applications'20168,628,072'Universal clamping block'20147,072,778'Method and system for determining a rotor position in a wound field DC motor'20066,836,081'LED driver circuit and method'20046,426,607'Programmable system and method for regulating an alternator'20026,392,577'System and method for regulating an alternator'20026,362,578'LED driver circuit and method'20026,003,304'Generator power electrically heated catalyst system'19995,887,479'Liquid-level gauge driver circuit'19995,866,797'Liquid level gauge interface system having dynamic offset'19995,781,390'Integrated supply protection'19985,666,036'Circuit for driving the motor of a temperature blend door'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1998Patents assigned to SGS THOMSON MICROELECTRONICS (2)· patent assignee history
1997–2004Based in Howell, MI, US· patent location history
1999–2020Patents assigned to ST MICROELECTRONICS INC (10)· patent assignee history
1999Patents assigned to GEN MOTORS CORP (1)· patent assignee history
2002–2020Patents assigned to ST MICROELECTRONICS SRL (4)· patent assignee history
2004Patents assigned to LUMILEDS LIGHTING LLC (1)· patent assignee history
2006Based in Novi, MI, US· patent location history
2014Based in Tustin, CA, US· patent location history
2016–2020Based in Belleville, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ST MICROELECTRONICS INC | 10 | 1999–2020 |
| ST MICROELECTRONICS SRL | 4 | 2002–2020 |
| SGS THOMSON MICROELECTRONICS | 2 | 1997–1998 |
| GEN MOTORS CORP | 1 | 1999 |
| LUMILEDS LIGHTING LLC | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Howell, MI, US | 9 | 1997–2004 |
| Belleville, MI, US | 2 | 2016–2020 |
| Tustin, California, US | 1 | 2014 |
| Novi, MI, US | 1 | 2006 |