David J. Littrell
8Patents
7h-index
14Co-inventors
60Inventor score
Filing activity: Dec 6, 1989 → Jan 31, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD826349S1 | Recumbent cycle with provision for upper body exercise | General | 66 | Active |
| USD388847S | Cross training exerciser | General | 32 | Expired |
| USD321229S | Full body exercise climber | General | 28 | Expired |
| USD321734S | Low impact treadmill | General | 26 | Expired |
| USD347039S | Recumbent exercise cycle | General | 19 | Expired |
| USD328625S | Climbing exerciser | General | 11 | Expired |
| USD385258S | Weighted hand-controller for remote control of exercise apparatus | General | 7 | Expired |
| USD1044135S1 | Hip protector | General | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.