Esquire Ltd., Inc.
38Patents
0Active
38Granted
38Portfolio score
Filing activity: Jan 2, 1974 → Nov 4, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4028542A | Faceted parabolic-type reflector system | Mechanical Engineering; Lighting; Heating | 101 | Expired |
| US5265880A | Bingo game | Human Necessities | 87 | Expired |
| US4170747A | Fixed frequency, variable duty cycle, square wave dimmer for high intensity gaseous discharge lamp | Emerging Cross-Sectional Technologies | 70 | Expired |
| US3955702A | Enclosed box-like housings | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US4009387A | Automatic energy control lighting system with automatically variable dc source | Electricity | 47 | Expired |
| US4308573A | Lamp fixture including diffused low angle reflective surfaces | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4000406A | Light fixture | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4293901A | Reflector system having sharp light cutoff characteristics | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4261030A | Wrap-around parabolic light fixture and method for manufacture | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US4175281A | Ceiling mounted support structure | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4204141A | Adjustable DC pulse circuit for variation over a predetermined range using two timer networks | Electricity | 24 | Expired |
| US4197485A | Optocoupler dimmer circuit for high intensity, gaseous discharge lamp | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4310828A | Programmed controller | Physics | 17 | Expired |
| US4144478A | Lamp system take control dimming circuit | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4323956A | Lens closure for light fixture and method for attachment | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4054790A | Light fixture | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4329627A | High frequency thyristor circuit for energizing a gaseous discharge lamp | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4318031A | Lamp, ballast and starter visual monitor | Electricity | 16 | Expired |
| US4400754A | Spark arrestor | Electricity | 15 | Expired |
| US4240853A | Lens closure for light fixture and method for attachment | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4091307A | Emergency lighting system for gaseous-discharge lamps | Electricity | 13 | Expired |
| US4134043A | Lighting circuits | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4236100A | Lighting circuits | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4134044A | High frequency circuit for operating a high-intensity gaseous discharge lamp | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4047076A | Emergency lighting system for gaseous discharge lamps | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.