SPI Lighting
19Patents
1Active
19Granted
29Portfolio score
Filing activity: Oct 15, 1992 → Jan 5, 2009 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD380853S | Wall mountable light shade | General | 67 | Expired |
| USD349778S | Ceiling lighting fixture | General | 64 | Expired |
| USD350409S | Lighting fixture mountable on an overhead support | General | 46 | Expired |
| USD566876S1 | Lighting fixture | General | 31 | Expired |
| USD584440S1 | Lighting fixture | General | 25 | Expired |
| US5676455A | Wall mountable lighting fixture | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| USD389270S | Wall mountable light shade | General | 15 | Expired |
| USD379549S | Wall mountable light shade | General | 15 | Expired |
| USD379548S | Wall mountable light shade | General | 10 | Expired |
| US7097319B2 | Lighting fixture | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| USD352566S | Suspended lighting fixture | General | 7 | Expired |
| USD351482S | Light module for suspended lighting fixture unit | General | 7 | Expired |
| USD611182S1 | Lighting fixture | General | 7 | Expired |
| US6494601B2 | Modular cluster lighting fixture | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| USD347487S | Wall lighting fixture | General | 4 | Expired |
| USD442730S | Lighting fixture mountable on an overhead support | General | 2 | Expired |
| USD349779S | Lighting fixture mountable on an overhead support | General | 1 | Expired |
| US7510302B1 | Light fixture with pivotable lamp mount | Mechanical Engineering; Lighting; Heating | 1 | Active |
| USD357091S | Bracket for a suspended lighting fixture system | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.