David L. Farrington
14Patents
6h-index
18Co-inventors
59Inventor score
Filing activity: May 1, 1989 → Jan 25, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7302313B2 | Air quality monitoring systems and methods | Emerging Cross-Sectional Technologies | 152 | Expired |
| US7360461B2 | Air monitoring system having tubing with an electrically conductive inner surface for transporting air samples | Physics | 22 | Expired |
| US5014082A | Method and apparatus for compensating for shutter speed variations | Physics | 14 | Expired |
| US7389704B2 | Tubing for transporting air samples in an air monitoring system | Physics | 13 | Active |
| US4978991A | Open-loop stepper motor controlled shutter | Physics | 7 | Expired |
| US7216556B2 | Tubing for transporting air samples in an air monitoring system | Physics | 7 | Expired |
| US4894678A | Preflash pseudofocus/exposure control system | Physics | 6 | Expired |
| US5943511A | Dual exposure photographic apparatus and method | Electricity | 5 | Expired |
| US5794076A | Method and apparatus for controlling exposure | Physics | 4 | Expired |
| US6390382B1 | Rail fixings | Fixed Constructions | 3 | Expired |
| US7641129B2 | Rail damper | Fixed Constructions | 3 | Expired |
| US5189464A | Supplemental lens positioning system for a fixed focus lens camera | Physics | 2 | Expired |
| US4941011A | Single integrator system with dual photocells | Physics | 2 | Expired |
| US7427035B2 | Rail damper | Fixed Constructions | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.