Donald Keller
15Patents
11h-index
15Co-inventors
69Inventor score
Filing activity: Feb 26, 1975 → Nov 21, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6190018A | Miniature LED flashlight | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6283609A | Tactical flashlight | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US6357890B1 | Miniature LED flashlight | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6045237A | Flashlight identification plate | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US3970228A | Flashlight and flashlight holder | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5165048A | Flashlight battery recharger system | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4115842A | Flashlight and flashlight charging receptacle | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| USD422731S | Flashlight | General | 17 | Expired |
| USD419251S | Flashlight | General | 15 | Expired |
| USD441473S | Flashlight | General | 11 | Expired |
| US9253513B1 | Independent multi-panel display with cross-panel interactivity | Electricity | 11 | Active |
| USD345958S | Flashlight battery recharger system | General | 10 | Expired |
| USD315219S | Flashlight | General | 8 | Expired |
| US9307290B1 | Increased user efficiency and interaction performance through user-targeted electronic program guide content descriptions | Electricity | 2 | Active |
| US10402863B2 | Usability of supplemental application functions through dynamic modification of user-presented options | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.