Derek Nelson
13Patents
6h-index
19Co-inventors
59Inventor score
Filing activity: Jun 24, 2003 → Jan 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7052440B2 | Dual-function treading exerciser | Human Necessities | 41 | Expired |
| US8702571B2 | Stair exerciser apparatus | Human Necessities | 14 | Active |
| US8062190B2 | Stationary exercise bicycle | Human Necessities | 12 | Active |
| US8974353B2 | Stair exerciser apparatus | Human Necessities | 8 | Active |
| US7632220B2 | Exercise apparatus | Human Necessities | 7 | Active |
| USRE47331E1 | Stair exerciser apparatus | General | 6 | Active |
| USD553698S1 | Stationary exerciser | General | 6 | Expired |
| US9067094B2 | Exercise apparatus | Human Necessities | 5 | Active |
| USD520577S1 | Treadmill frame with visible cushion | General | 4 | Expired |
| USD569458S1 | Exercise apparatus | General | 4 | Expired |
| US8062186B2 | Elliptical exercise machine | Human Necessities | 3 | Active |
| US9724559B2 | Exercise apparatus | Human Necessities | 3 | Active |
| USRE48306E1 | Stair exerciser apparatus | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.