Robert J. Ruppel
11Patents
3h-index
10Co-inventors
53Inventor score
Filing activity: Jan 24, 2008 → Apr 26, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9270152B2 | Electric auger | Fixed Constructions | 6 | Active |
| USD697098S1 | Auger handle bar | General | 6 | Active |
| US9307687B2 | Drum style rotary tiller | Human Necessities | 4 | Active |
| USD693860S1 | Auger handle bar | General | 3 | Active |
| US9730371B2 | Drum style rotary tiller | Human Necessities | 3 | Active |
| US10398071B2 | Drum style rotary tiller | Human Necessities | 2 | Active |
| US7823578B2 | High efficiency biomass stove | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US12382864B2 | Heads for string trimmers and mowers | Human Necessities | 0 | Active |
| US11968924B2 | Heads for string trimmers and mowers | Human Necessities | 0 | Active |
| US12102022B2 | Dual-direction tiller/cultivator | Mechanical Engineering; Lighting; Heating | 0 | 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.