Fernand Kieffer
7Patents
5h-index
3Co-inventors
52Inventor score
Filing activity: Feb 7, 1990 → Jul 8, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5566537A | Mower with a safety device | Human Necessities | 29 | Expired |
| US4970848A | Mower with release safety device | Human Necessities | 22 | Expired |
| US5727371A | Agricultural machine used for cutting vegetables with an improved protection device | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6349529B1 | Operating device for an agricultural machine | Human Necessities | 8 | Expired |
| US6128892A | Limiter device intended to equip an agricultural machine-cutting machine equipped with such a device | Human Necessities | 7 | Expired |
| US6311464A | Mowing machine | Human Necessities | 3 | Expired |
| US7380391B2 | Agricultural mower maneuvering and lightening devices | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.