Gerald E. Duffy
10Patents
5h-index
14Co-inventors
59Inventor score
Filing activity: Nov 1, 1990 → Sep 13, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5793352A | Source coupler for multimedia projection display system | Physics | 58 | Expired |
| US5107165A | Initial light output for metal halide lamp | Electricity | 8 | Expired |
| US5719463A | Retaining spring and stop means for lamp mount | Electricity | 7 | Expired |
| US5204578A | Heat sink means for metal halide lamp | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6424097B1 | Projection lamp safety interlock apparatus and method | Electricity | 6 | Expired |
| US5479102A | Simulated load circuit for simulating the arc impedance of an electrodless discharge lamp | Physics | 5 | Expired |
| US6853152B2 | Electric power supply safety interlock system | Electricity | 5 | Expired |
| US5332970A | Method for measuring the impedance of an electrodeless arc discharge lamp | Physics | 4 | Expired |
| US5594294A | Lamp assembly with a resilient retaining lamp mount structure | Electricity | 4 | Expired |
| US7091670B2 | Safety interlock apparatus and method | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.