David M. Nugent
34Patents
17h-index
21Co-inventors
81Inventor score
Filing activity: Aug 30, 1990 → Sep 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6883201B2 | Autonomous floor-cleaning robot | Human Necessities | 448 | Expired |
| US7636982B2 | Autonomous floor cleaning robot | Human Necessities | 342 | Active |
| US7571511B2 | Autonomous floor-cleaning robot | Human Necessities | 323 | Active |
| US7448113B2 | Autonomous floor cleaning robot | Human Necessities | 315 | Active |
| US8474090B2 | Autonomous floor-cleaning robot | Human Necessities | 101 | Active |
| US8516651B2 | Autonomous floor-cleaning robot | Human Necessities | 94 | Active |
| US5128669A | Communicating information by radio | Physics | 70 | Expired |
| US8763199B2 | Autonomous floor-cleaning robot | Human Necessities | 66 | Active |
| US8671507B2 | Autonomous floor-cleaning robot | Human Necessities | 66 | Active |
| US8656550B2 | Autonomous floor-cleaning robot | Human Necessities | 64 | Active |
| US9958230B1 | Rapid fire toy launch apparatus | Mechanical Engineering; Lighting; Heating | 57 | Active |
| US6600695B1 | Method and apparatus for retrieving an unmanned underwater vehicle | Performing Operations; Transporting | 44 | Expired |
| US8567378B2 | Air path and safety valve system for toy launchers | Emerging Cross-Sectional Technologies | 33 | Active |
| US8875688B2 | Safety valve for toy air guns | Emerging Cross-Sectional Technologies | 33 | Active |
| US9038233B2 | Autonomous floor-cleaning robot | Human Necessities | 24 | Active |
| US9513075B2 | Toy launch apparatus with open top dart drum | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US6021731A | Ballast system for underwater vehicle | Performing Operations; Transporting | 19 | Expired |
| US9167946B2 | Autonomous floor cleaning robot | Human Necessities | 12 | Active |
| US8567380B2 | Air gun apparatus | Emerging Cross-Sectional Technologies | 12 | Active |
| US9134091B2 | Toy launch apparatus with momentum feature | Emerging Cross-Sectional Technologies | 7 | Active |
| US5396859A | System for effecting underwater coupling of optical fiber cables characterized by a novel V-probe cable capture mechanism | Performing Operations; Transporting | 7 | Expired |
| US10758833B2 | Toy car launcher apparatus | Human Necessities | 6 | Active |
| US9622635B2 | Autonomous floor-cleaning robot | Human Necessities | 5 | Active |
| US5349916A | System for effecting underwater coupling of optical fiber cables characterized by a novel pod-to-vehicle interlock | Physics | 5 | Expired |
| US11278173B2 | Autonomous floor-cleaning robot | Human Necessities | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.