Mark G. Ruppel
6Patents
3h-index
5Co-inventors
50Inventor score
Filing activity: Apr 29, 1982 → Jul 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4488605A | Extendible shank auger | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9307687B2 | Drum style rotary tiller | Human Necessities | 4 | Active |
| US9730371B2 | Drum style rotary tiller | Human Necessities | 3 | Active |
| US10398071B2 | Drum style rotary tiller | Human Necessities | 2 | Active |
| US7270100B2 | Electric start mini-cultivator | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11330753B2 | Drum style rotary tiller | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.