Lightolier
51Patents
0Active
51Granted
38Portfolio score
Filing activity: May 5, 1976 → Oct 19, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4096349A | Flexible connector for track lighting systems | Electricity | 156 | Expired |
| US4082395A | Light track device with connector module | Electricity | 153 | Expired |
| US5189259A | Face plate having press-fit attachment to electrical switches, outlets and the like | Electricity | 146 | Expired |
| US5059871A | Programmable lighting control system linked by a local area network | Physics | 117 | Expired |
| US4649323A | Microcomputer-controlled light switch | Electricity | 100 | Expired |
| US4880950A | Control switch | Electricity | 85 | Expired |
| US5153816A | Face plate with decorator insert | Electricity | 78 | Expired |
| US4726781A | Connective mechanism for adjacent fluorescent fixtures | Mechanical Engineering; Lighting; Heating | 77 | Expired |
| US5045985A | Self locking adjustable mounting bars | Mechanical Engineering; Lighting; Heating | 72 | Expired |
| US5128654A | Preset light controller including infrared sensor operable in multiple modes | Emerging Cross-Sectional Technologies | 68 | Expired |
| US4646212A | Recessed lighting fixture | Fixed Constructions | 68 | Expired |
| US4733138A | Programmable multicircuit wall-mounted controller | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4313154A | Lighting fixture with uniform mounting frame for new installations | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US5134554A | Lighting system | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US4992709A | Switching circuit providing adjustable capacitive series voltage dropping circuit with a fractional horsepower motor | Electricity | 49 | Expired |
| US4327403A | Lighting fixture with uniform mounting frame for old installations | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US4274615A | Attachment clamp for lighting fixture | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US4039822A | Circular recessed lighting fixture | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4751624A | Safety ceiling fixture with heat sensor | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5957572A | Remodeler light fixture support structure and method | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4871893A | Slide control switch | Electricity | 39 | Expired |
| USD315145S | Combined wall-mounted lighting control panel with light-emitting diode display and heatsink | General | 38 | Expired |
| US4323954A | Moisture sealed vandal-resistant lighting fixture | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4424554A | Ceiling fixture with improved mounting means | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| USD298059S | Wall lamp | General | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.