Thomas E. Stack
11Patents
5h-index
7Co-inventors
59Inventor score
Filing activity: May 6, 1983 → Jun 12, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9285081B2 | LED high bay lighting source | Mechanical Engineering; Lighting; Heating | 38 | Active |
| US4471280A | Anti-log power amplifier for reversible D.C. motor in automotive steering controls | Electricity | 30 | Expired |
| US7862195B2 | Multiple positioned light source to achieve uniform or graded illumination | Electricity | 26 | Active |
| US8890419B2 | System and method providing LED emulation of incandescent bulb brightness and color response to varying power input and dimmer circuit therefor | Electricity | 22 | Active |
| US4894588A | High efficiency flasher | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7405522B2 | Multiple failure detection shutdown protection circuit for an electronic ballast | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7598677B2 | Multiple failure detection shutdown protection circuit for an electronic ballast | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5307057A | Fiber optic display system utilizing a dual light source | Physics | 3 | Expired |
| US8354800B2 | Lighting source with low total harmonic distortion | Electricity | 3 | Active |
| US9022608B2 | Unlit LED circuit bypass element with system and method therefor | Emerging Cross-Sectional Technologies | 2 | Active |
| US8008865B2 | Multiple failure detection shutdown protection circuit for an electronic ballast | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.