Duane E. Cummings
8Patents
6h-index
4Co-inventors
56Inventor score
Filing activity: Oct 15, 1993 → Dec 3, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD400450S | Dash mounted sonar depth indicator | General | 17 | Expired |
| US5459479A | Solid state depth locator having liquid crystal display | Physics | 17 | Expired |
| USD394405S | Gimbal mounted sonar depth indicator | General | 13 | Expired |
| US6768701B1 | Flasher-type fish finder with zoom feature | Physics | 8 | Expired |
| US6819629B2 | Method for distinguishing return echoes from noise | Physics | 7 | Expired |
| US9488728B2 | Digital depth readout adapter for flasher type fish finder | Physics | 7 | Active |
| USD507588S1 | Underwater camera | General | 4 | Expired |
| US7495997B1 | Light pipe display for sonar | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.