Hector Fratty
13Patents
6h-index
9Co-inventors
59Inventor score
Filing activity: May 11, 1978 → Oct 9, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4351018A | Lamp with stepped reflector surface containing vertical ribs | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US4530042A | Dipped headlamp for automobiles | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4987521A | Motor vehicle headlight including a single light source for generating two different beams | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4261031A | Ribbed lenses for headlamps | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4238817A | Automobile headlight | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4276583A | Novel rectangular headlight for automobile | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6238071A | Motor vehicle headlight having a single light source and adapted to produce a dipped beam and a main beam | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4272801A | Motor vehicle head lamp lenses having light deflecting ribs | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4308574A | Automobile headlight with reduced heating of the cover glass | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6210027A | Set of left and right motor vehicle headlamps with improved photometric properties | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5283956A | Device for indicating the aim of the optical axis of a reflector on a motor vehicle relative to a reference direction | Physics | 2 | Expired |
| USRE34253E | Motor vehicle headlight including a single light source for generating two different beams | General | 1 | Expired |
| US4654759A | Two-headlamp main beam units for motor vehicles | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.