David H. Porter
98Patents
17h-index
10Co-inventors
81Inventor score
Filing activity: Sep 12, 1975 → Jan 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4861273A | Low-voltage miniature track lighting system | Electricity | 57 | Expired |
| USD576339S1 | Light fixture | General | 33 | Expired |
| USD373002S | Chandelier | General | 32 | Expired |
| USD405216S | Backplate | General | 30 | Expired |
| USD366714S | Chandelier | General | 24 | Expired |
| USD418619S | Outdoor address light | General | 23 | Expired |
| USD510452S1 | Lighting fixture | General | 22 | Expired |
| USD340780S | Wall lamp | General | 21 | Expired |
| USD377541S | Outdoor post lamp | General | 21 | Expired |
| US5230559A | Well light | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| USD391004S | Portion of a lamp | General | 19 | Expired |
| USD354150S | Lighting fixture roof | General | 19 | Expired |
| USD436418S | Chandelier | General | 19 | Expired |
| USD408095S | Chandelier | General | 19 | Expired |
| USD370545S | Suspended lighting fixture | General | 19 | Expired |
| USD373213S | Chandelier | General | 17 | Expired |
| USD406374S | Outdoor path light | General | 17 | Expired |
| USD564123S1 | Lighting fixture | General | 16 | Expired |
| USD386810S | Wall lamp support | General | 15 | Expired |
| USD366340S | Chandelier | General | 14 | Expired |
| USD383239S | Outdoor lighting fixture | General | 14 | Expired |
| USD383237S | Outdoor lighting fixture | General | 14 | Expired |
| USD425236S | Lighting fixture | General | 14 | Expired |
| USD313668S | Lighting fixture or similar article | General | 13 | Expired |
| USD359140S | Chandelier | General | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.