Holophane
🏢 View company profile →58Patents
0Active
58Granted
34Portfolio score
Filing activity: Jan 28, 1987 → Aug 5, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD385643S | Parking lot luminaire | General | 54 | Expired |
| US5174648A | Lighting fixture support assembly | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| USD343250S | Suspended luminaire | General | 50 | Expired |
| USD315612S | Luminaire | General | 43 | Expired |
| US5243508A | Modular luminaire assembly | Emerging Cross-Sectional Technologies | 42 | Expired |
| USD343251S | Suspended luminaire | General | 40 | Expired |
| USD344606S | Suspended luminaire | General | 36 | Expired |
| US5434765A | Luminaire assembly | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| USD321408S | Luminaire | General | 30 | Expired |
| US5918970A | Outdoor luminaire assembly | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| USD343245S | Suspended luminaire | General | 25 | Expired |
| USD420163S | Suspended luminaire | General | 23 | Expired |
| USD400277S | Pole mounted street luminaire | General | 22 | Expired |
| US6027231A | Luminaire assembly | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| USD338977S | Pole mounted street luminaire | General | 20 | Expired |
| USD418938S | Suspended luminaire | General | 20 | Expired |
| US5121309A | Industrial luminaire with a quickly installed new and improved optical assembly | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| USD368974S | Suspended prismaire lighting fixture | General | 17 | Expired |
| USD391383S | Suspended luminaire | General | 17 | Expired |
| US4954935A | Lighting system for illuminating billboards and the like | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5550697A | System and method for controlling DC to AC voltage inverter | Electricity | 16 | Expired |
| US5704580A | Removable rings for assembling an ornamental base to a street pole | Fixed Constructions | 16 | Expired |
| USD343471S | Suspended luminaire | General | 14 | Expired |
| USD390995S | Pole mounted street luminaire | General | 14 | Expired |
| USD332504S | Luminaire | General | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.