James Bornhorst
58Patents
21h-index
20Co-inventors
88Inventor score
Filing activity: Mar 2, 1981 → May 17, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4392187A | Computer controlled lighting system having automatically variable position, color, intensity and beam divergence | Mechanical Engineering; Lighting; Heating | 385 | Expired |
| US5282121A | High intensity lighting projectors | Physics | 321 | Expired |
| US5640061A | Modular lamp power supply system | Electricity | 212 | Expired |
| US5774273A | Variable-geometry liquid-filled lens apparatus and method for controlling the energy distribution of a light beam | Mechanical Engineering; Lighting; Heating | 149 | Expired |
| US4602321A | Light source having automatically variable hue, saturation and beam divergence | Mechanical Engineering; Lighting; Heating | 119 | Expired |
| US4800474A | Color wheel assembly for lighting equipment | Mechanical Engineering; Lighting; Heating | 89 | Expired |
| US4779176A | Light pattern generator | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US5825548A | Cross-fading color filter and system | Mechanical Engineering; Lighting; Heating | 69 | Expired |
| US5454477A | Storage and transporatation trunk for lighting equipment | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4701833A | Ventilation system for stage light instrument | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| US5882107A | Compact luminaire system | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| USD359574S | Adjustable lamp | General | 41 | Expired |
| US6123436A | Optical device for modifying the angular and spatial distribution of illuminating energy | Physics | 40 | Expired |
| US5031078A | Additive color mixing system with variable hue and saturation light sources | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5969868A | Sequential cross-fading color filters and system | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6769792B1 | High intensity lighting projectors | Physics | 31 | Expired |
| US6623144B2 | High intensity lighting projectors | Physics | 31 | Expired |
| US5758956A | High intensity lighting projectors | Physics | 30 | Expired |
| US4972306A | Compact variable diffuser for use in a luminaire | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5590955A | Variable light modifier | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5073847A | Variable color lighting instrument | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5367444A | Thermal management techniques for lighting instruments | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5186536A | Lighting instrument with movable filters and associated actuation mechanism | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4709311A | Lens carrier | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| USD347113S | Storage and transportation trunk | General | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.