Ross Richardson
7Patents
5h-index
16Co-inventors
60Inventor score
Filing activity: Mar 13, 1987 → May 20, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7356874B2 | Vacuum cleaner | Human Necessities | 42 | Expired |
| US4776004A | Communication services method and apparatus | Electricity | 19 | Expired |
| US4766592A | Broadcast conferencing arrangement | Electricity | 17 | Expired |
| USD516259S1 | Vacuum cleaner | General | 13 | Expired |
| US7676883B2 | Vacuum cleaner | Human Necessities | 10 | Expired |
| US8667639B2 | Vacuum cleaner providing filter-absence detection | Human Necessities | 0 | Active |
| US10119373B2 | Cutting tool | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.