David W. Cunningham
34Patents
16h-index
9Co-inventors
74Inventor score
Filing activity: Sep 13, 1985 → Dec 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5832449A | Method and system for dispensing, tracking and managing pharmaceutical trial products | Physics | 122 | Expired |
| US6055507A | Method and system for dispensing, tracking and managing pharmaceutical trial products | Physics | 103 | Expired |
| US6683423B2 | Lighting apparatus for producing a beam of light having a controlled luminous flux spectrum | Electricity | 45 | Expired |
| US7023543B2 | Method for controlling the luminous flux spectrum of a lighting fixture | Electricity | 42 | Expired |
| US6859780B1 | Method and system for dispensing, tracking and managing pharmaceutical products | Physics | 40 | Expired |
| US7925531B1 | Method of delivering goods and services via media | Physics | 39 | Active |
| US6002563A | Plug-in power module incorporating ground-fault detection and reporting | Electricity | 39 | Expired |
| US5004957A | Dimming control circuit | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5446637A | Lighting fixture | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5323088A | Dimming control circuit | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4972125A | Plug-in dimmer module for lighting control systems | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4977484A | Dimmer rack | Electricity | 23 | Expired |
| US5345371A | Lighting fixture | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7996260B1 | Promotional carrier for promoting pharmaceutical prescription products | Physics | 22 | Active |
| US7729927B2 | Method and system for dispensing, tracking and managing pharmaceutical products | Physics | 19 | Active |
| US7227634B2 | Method for controlling the luminous flux spectrum of a lighting fixture | Electricity | 17 | Expired |
| US5268613A | Incandescent illumination system | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4703412A | Portable control unit for theater, television, and film lighting control systems | Physics | 15 | Expired |
| US5352958A | Lighting control system dimmer module with plug-in electrical contacts | Electricity | 13 | Expired |
| US5544029A | Lighting fixture for theater, television and architectural applications | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US8055542B1 | Method of delivering goods and services via a variable value media | Physics | 8 | Active |
| US9147373B2 | Transparent efficiency for in-memory execution of map reduce job sequences | Physics | 8 | Active |
| USRE36316E | Incandescent illumination system | General | 4 | Expired |
| US8407095B2 | Method of delivering a pharmaceutical product via a medium | Physics | 3 | Active |
| US9440482B2 | Adjustable grid drawing frame | Performing Operations; Transporting | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.