Roy Watson
15Patents
8h-index
4Co-inventors
65Inventor score
Filing activity: Oct 23, 1981 → Feb 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD710562S1 | Shopping cart | General | 25 | Active |
| USD733388S1 | Handle for shopping cart | General | 23 | Active |
| USD796769S1 | Shopping cart | General | 17 | Active |
| US4446729A | Sailing course computer | Physics | 13 | Expired |
| US9174659B2 | Handle for shopping cart | Performing Operations; Transporting | 12 | Active |
| USD886404S1 | Basket for shopping cart | General | 10 | Active |
| USD813486S1 | Shopping cart | General | 10 | Active |
| USD747587S1 | Shopping cart | General | 10 | Active |
| USD738624S1 | Handbasket | General | 8 | Active |
| USD874778S1 | Shopping cart | General | 7 | Active |
| US9682719B2 | Shopping carts | Emerging Cross-Sectional Technologies | 6 | Active |
| US9731742B2 | Shopping cart | Performing Operations; Transporting | 6 | Active |
| USD792674S1 | Shopping cart | General | 5 | Active |
| US9227646B2 | Shopping cart with removable basket assembly | Emerging Cross-Sectional Technologies | 5 | Active |
| USD950881S1 | Shopping cart | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.