Sterner Lighting Systems Incorporated
13Patents
0Active
13Granted
33Portfolio score
Filing activity: Dec 2, 1977 → Sep 14, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD358902S | Lighting fixture | General | 52 | Expired |
| USD360047S | Area lighting fixture | General | 38 | Expired |
| US4720204A | Banner arm break-away device | Physics | 32 | Expired |
| US5291068A | Touch sensitive switching apparatus | Electricity | 28 | Expired |
| US4450513A | Lighting fixture for opposite direction reflection | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5111371A | Arc-stream correcting lamp holder | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4223861A | Adjustable hanger for elongated wall mounted members | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4794502A | Stacking louver for light fixture | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6168291A | Luminaire motorized shade (douser) mechanism | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5515255A | Lamp reflector | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4513359A | Lamp stabilizer | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4704668A | Sleeve type lamp stabilizer | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4486754A | Lighted wind cone for evacuation aid | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.