Robert Heritage
15Patents
10h-index
1Co-inventors
54Inventor score
Filing activity: Feb 25, 1975 → Dec 15, 1983
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD264254S | Multiple spotlight fitting | General | 45 | Expired |
| USD264007S | Spotlight fitting | General | 37 | Expired |
| USD261578S | Combined chair and tablet arm | General | 21 | Expired |
| USD261577S | Combined chair, tablet arm and magazine rack | General | 17 | Expired |
| US4625470A | Openwork screen assembly | Fixed Constructions | 16 | Expired |
| USD264206S | Connector for track lighting system | General | 15 | Expired |
| USD264386S | Spotlight fitting | General | 14 | Expired |
| USD263000S | Spotlight fitting | General | 13 | Expired |
| US3963294A | Electrical current supply installations | Electricity | 11 | Expired |
| USD261579S | Combined chair, tablet arm, ashtray and magazine rack | General | 10 | Expired |
| USD261576S | Chair | General | 7 | Expired |
| US4262980A | Lamp holder | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US3960426A | Electrical installation | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| USD263509S | Spotlight fitting | General | 4 | Expired |
| USD261134S | Electrical current supply track | General | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.