Prescolite, Inc.
27Patents
0Active
27Granted
34Portfolio score
Filing activity: Dec 16, 1980 → May 10, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4399497A | Retainer for a lamp | Mechanical Engineering; Lighting; Heating | 107 | Expired |
| US4772825A | Panel for controlling lighting scene | Electricity | 61 | Expired |
| US5029794A | Universal captive bar hanger | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US4566057A | Recessed lighting housing | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| USD308045S | Combined face plate and control operators for an electrical switch or similar articles | General | 35 | Expired |
| US4471416A | Recessed lighting unit | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| USD293940S | Adjustable directional lighting unit or similar article | General | 30 | Expired |
| US4577824A | Fastening device for fixing a body to a structural member | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4699439A | Track lighting adapter | Electricity | 23 | Expired |
| US4835667A | Thermal protector device for a lighting unit | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4680536A | Dimmer circuit with input voltage compensated soft start circuit | Physics | 22 | Expired |
| US4701832A | Luminaire for roadway and area lighting | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4760507A | Electrical lighting fixture having variable distribution characteristics | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4896079A | Bi-level switch | Electricity | 14 | Expired |
| US4651260A | Roadway luminaire | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4358635A | Wireway | Physics | 10 | Expired |
| USD294179S | Adjustable directional lighting unit or similar article | General | 10 | Expired |
| USD444900S | Surface mounted lighting fixture | General | 10 | Expired |
| US4873403A | On-off switch system for a pair of conductors | Electricity | 8 | Expired |
| US4713737A | Electrical lighting fixture with multiple rotation mechanism | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4803586A | Voltage control module | Emerging Cross-Sectional Technologies | 5 | Expired |
| USD280195S | Dimmer switch for a lamp or similar article | General | 5 | Expired |
| USD303719S | Adjustable directional lighting fixture or similar article | General | 4 | Expired |
| USD298314S | Control panel for dimming system or the like | General | 4 | Expired |
| US6254256A | Light-scattering reflector | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.