David Hampton
13Patents
10h-index
9Co-inventors
65Inventor score
Filing activity: Oct 8, 1993 → Oct 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6149490A | Interactive toy | Human Necessities | 213 | Expired |
| US5749547A | Control of model vehicles on a track | Human Necessities | 76 | Expired |
| US6514117B1 | Interactive toy | Human Necessities | 51 | Expired |
| US5441223A | Model train controller using electromagnetic field between track and ground | Human Necessities | 37 | Expired |
| US6544098B1 | Interactive toy | Human Necessities | 35 | Expired |
| US7874351B2 | Devices and systems for measurement of position of drilling related equipment | Fixed Constructions | 32 | Active |
| US6497607B1 | Interactive toy | Human Necessities | 26 | Expired |
| US6537128B1 | Interactive toy | Human Necessities | 17 | Expired |
| USD419209S | Electronic toy housing | General | 15 | Expired |
| USD423611S | Animatronic toy | General | 14 | Expired |
| US11507918B2 | Automotive asset location management systems and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US11138553B2 | Geolocation specific asset tracking with transmitters | Emerging Cross-Sectional Technologies | 0 | Active |
| US11748705B2 | Automotive asset location management systems and methods | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.