David Ryan
15Patents
9h-index
8Co-inventors
65Inventor score
Filing activity: Jan 20, 1984 → Mar 25, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD467745S1 | Seating unit | General | 29 | Expired |
| USD417766S | Chocolate bar | General | 26 | Expired |
| USD415601S | Chocolate confection | General | 20 | Expired |
| US4555656A | Generator and rechargeable battery system for pedal powered vehicles | Electricity | 17 | Expired |
| USD416661S | Chocolate confection | General | 14 | Expired |
| USD473389S1 | Seating unit | General | 14 | Expired |
| USD503047S1 | Lounge/working chair | General | 11 | Expired |
| USD416372S | Chocolate confection | General | 10 | Expired |
| USD423185S | Chocolate confection | General | 9 | Expired |
| USD421673S | Chocolate confection | General | 7 | Expired |
| USD538659S1 | Grip for beverage container | General | 7 | Expired |
| US6871611B1 | Kayak with adjustable cockpit walls | Performing Operations; Transporting | 3 | Expired |
| USD538672S1 | Beverage container with grip | General | 2 | Expired |
| US6692781B2 | Expandable beverage infusion device | Performing Operations; Transporting | 1 | Expired |
| US6274180A | Expandable beverage infusion device | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.