Derek E. Logan
17Patents
8h-index
18Co-inventors
69Inventor score
Filing activity: Apr 21, 2004 → Dec 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7358929B2 | Tile lighting methods and systems | Emerging Cross-Sectional Technologies | 276 | Expired |
| US7878683B2 | LED-based lighting fixtures for surface illumination with improved heat dissipation and manufacturability | Emerging Cross-Sectional Technologies | 155 | Active |
| US7961113B2 | Networkable LED-based lighting fixtures and methods for powering and controlling same | Emerging Cross-Sectional Technologies | 101 | Active |
| US8434897B2 | LED-based lighting fixtures for surface illumination with improved heat dissipation and manufacturability | Emerging Cross-Sectional Technologies | 21 | Active |
| US10422365B2 | Clamp and a method of clamping | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US10371329B2 | Recessed downlight fixture and method for installing the fixture and adjusting the fixture collar opening | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US9857038B2 | Recessed downlight fixture and method for installing and universally adjusting the fixture in a new construction application | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US10823349B2 | Recessed downlight fixture | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US9822957B2 | Recessed downlight fixture and method for installing and universally adjusting the fixture in a retrofit application | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US9146028B2 | Linear LED illumination device with improved rotational hinge | Emerging Cross-Sectional Technologies | 6 | Active |
| US8408741B2 | LED-based lighting fixtures for surface illumination with improved heat dissipation and manufacturability | Emerging Cross-Sectional Technologies | 4 | Active |
| US10746208B2 | Method and system for non-intrusive pipeline testing | Physics | 1 | Active |
| USRE50470E1 | Linear LED illumination device with improved color mixing | General | 0 | Active |
| US12313239B2 | Recessed downlight fixture | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11320101B2 | Recessed downlight fixture | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11846401B2 | Recessed downlight fixture | Mechanical Engineering; Lighting; Heating | 0 | Active |
| USRE50562E1 | Linear LED illumination device with improved color mixing | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.