William J. Kitchen
6Patents
5Active
6Granted
40Portfolio score
Filing activity: May 18, 2006 → Nov 17, 2014 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7594473B2 | Wheel hub rider conveyance | Human Necessities | 15 | Active |
| US8166885B2 | Suspended cable amusement ride | Human Necessities | 10 | Active |
| USD656213S1 | Track for an amusement ride | General | 10 | Expired |
| US7918740B2 | Big wheel roundabout amusement ride | Human Necessities | 7 | Active |
| US10391410B2 | Tracks for tower ride | Human Necessities | 2 | Active |
| US8641542B2 | Stationary track with gimbaled rider carriages amusement ride | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.