Inventor
Gordon A. Grigor
Inventor
Cleveland Heights, OH, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating50%
H01FMagnets13%
H01JElectric discharge tubes or discharge lamps13%
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 systems13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
8,659,233'Fluorescent lamp ballast with electronic preheat circuit'20146,594,885'Method of making a coil'20036,555,974'Wiring geometry for multiple integral lamps'20036,421,260'Shutdown circuit for a half-bridge converter'20025,952,790'Lamp ballast circuit with simplified starting circuit'19995,866,991'Induction lamp with oppositely oriented coil winding layers'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2014Patents assigned to GEN ELECTRIC (6)· patent assignee history
1999–2014Based in Cleveland Heights, OH, US· patent location history
2014Patents assigned to GRIGOR GORDON ALEXANDER (1)· patent assignee history
2014Patents assigned to NERONE LOUIS ROBERT (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 6 | 1999–2014 |
| GRIGOR GORDON ALEXANDERself | 1 | 2014 |
| NERONE LOUIS ROBERT | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cleveland Heights, OH, US | 6 | 1999–2014 |