David B. Lederer
14Patents
9h-index
3Co-inventors
65Inventor score
Filing activity: Mar 14, 1975 → Aug 1, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4442359A | Multiple field-of-view optical system | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5552765A | Smoke detector with individually stored range of acceptable sensitivity | Physics | 31 | Expired |
| US5543777A | Smoke detector with individual sensitivity calibration and monitoring | Physics | 26 | Expired |
| US4224608A | Single terminal detection system | Physics | 23 | Expired |
| US4746906A | Dual technology intruder detection system with modular optics | Emerging Cross-Sectional Technologies | 23 | Expired |
| USD261740S | Intruder detector housing | General | 22 | Expired |
| US5699043A | Individual smoke detector with sensitivity calibration and monitoring | Physics | 14 | Expired |
| US5721529A | Individual smoke detector with stored range of acceptable sensitivity | Physics | 14 | Expired |
| US5382944A | Supervised PIR motion-detection system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4920268A | Passive infrared detection system with substantially uniform sensitivity over multiple detection zones | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4173717A | Optical assembly | Physics | 6 | Expired |
| US4689486A | Folded optical system for radiation detection device | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD293089S | Smoke detector housing | General | 2 | Expired |
| US3974488A | Margin test switch for photoelectric intruder detection devices | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.