Eugene H. Schmidt
17Patents
12h-index
4Co-inventors
71Inventor score
Filing activity: Apr 24, 1985 → Dec 1, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7623952B2 | GPS controlled guidance system for farm tractor/implement combination | Human Necessities | 89 | Active |
| US5524525A | Rotary servo valve and guidance system apparatus for controlling the same | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5156219A | Positioning apparatus for drawn implement | Human Necessities | 47 | Expired |
| US4640365A | Row following guidance device for a tractor-drawn row crop implement | Human Necessities | 34 | Expired |
| US5170849A | Guidance control system for farm tractor/implement combination | Human Necessities | 24 | Expired |
| US5240079A | Guidance control system for farm tractor/implement combination having improved turnaround capability | Human Necessities | 20 | Expired |
| USRE34080E | Row following guidance device for a tractor-drawn row crop implement | General | 20 | Expired |
| US7490678B2 | GPS controlled guidance system for farm tractor/implement combination | Human Necessities | 17 | Expired |
| US5025866A | Row following drawn implement with internal steering arm | Human Necessities | 16 | Expired |
| US6279666A | Row crop debris clearing apparatus | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8256526B2 | Apparatus and a system for providing guidance control for pull type tongued implements | Human Necessities | 14 | Active |
| US5752453A | Apparatus for use in applying fertilizer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5582255A | Guidance system having adjustable width capability | Human Necessities | 8 | Expired |
| US5732780A | Implement for making angled water retention depressions and mounds | Human Necessities | 7 | Expired |
| US8776701B2 | Row crop fertilizer applying apparatus | Human Necessities | 7 | Active |
| US6354429B2 | Agricultural crop material windrow inverting method and apparatus | Human Necessities | 6 | Expired |
| US8109070B1 | Dual windrow crop inverting and combining apparatus and method | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.