Amazonen-Werke
6Patents
0Active
6Granted
27Portfolio score
Filing activity: Dec 22, 1976 → Jul 18, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4208974A | Seed drill having parallel guide means for the movable shank | Emerging Cross-Sectional Technologies | 73 | Expired |
| US4275670A | Seed drill mounting arrangement | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4366760A | Seed drill | Human Necessities | 17 | Expired |
| US4351481A | Centrifugal spreader, especially for granulated fertilizers | Human Necessities | 9 | Expired |
| US4263858A | Seed and fertilizer drill drive | Human Necessities | 9 | Expired |
| US4202474A | Machine for spreading fertilizer and seed | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.