Paul Duffield
14Patents
4h-index
19Co-inventors
53Inventor score
Filing activity: Aug 23, 2001 → Jun 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6898921B2 | Water-soluble thermoformed containers comprising aqueous compositions | Emerging Cross-Sectional Technologies | 44 | Expired |
| US9924566B2 | Device for evaporating a volatile material | Human Necessities | 12 | Active |
| US9877359B2 | Device for evaporating a volatile fluid | Human Necessities | 8 | Active |
| US10071179B2 | Device for evaporating volatile fluid | Human Necessities | 8 | Active |
| US8479752B2 | Cleaning device | Performing Operations; Transporting | 4 | Active |
| US7891515B2 | Water soluble container with rigid spacer | Chemistry; Metallurgy | 4 | Active |
| US8496014B2 | Cleaning device | Performing Operations; Transporting | 4 | Active |
| US7638470B2 | Cleaning | Chemistry; Metallurgy | 3 | Expired |
| US7219484B2 | Process for preparing a laminated, thermoformed film | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10293069B2 | Device for evaporating a volatile fluid | Human Necessities | 2 | Active |
| US10350321B2 | Device for evaporating a volatile fluid | Human Necessities | 2 | Active |
| US8142731B2 | Device for providing a relatively constant rate of dissolution of a solid article within it | Human Necessities | 0 | Active |
| US10322201B2 | Device for evaporating a volatile material | Human Necessities | 0 | Active |
| US9254953B2 | Cleaning device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.