Michael Simpson
6Patents
2h-index
18Co-inventors
48Inventor score
Filing activity: Jun 17, 1996 → May 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD390702S | Barrel top tray | General | 14 | Expired |
| US10729171B2 | Smoking article filter and insertable filter unit therefor | Human Necessities | 5 | Active |
| US9826778B2 | Sleeve | Performing Operations; Transporting | 2 | Active |
| US11678694B2 | Smoking article filter and insertable filter unit therefor | Human Necessities | 1 | Active |
| US9565874B2 | Smoking article and method of manufacturing a smoking article | Human Necessities | 1 | Active |
| US12295408B2 | Smoking article filter and insertable filter unit therefor | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.