David J. Rylander
41Patents
23h-index
24Co-inventors
85Inventor score
Filing activity: May 17, 1991 → Apr 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5161473A | Seed distribution system and method for a seeding implement | Emerging Cross-Sectional Technologies | 108 | Expired |
| US8408149B2 | Ground working machine with a blockage clearing system and method of operation | Emerging Cross-Sectional Technologies | 103 | Active |
| US5394946A | Row cleaning attachment | Emerging Cross-Sectional Technologies | 83 | Expired |
| US8074586B2 | Seed delivery apparatus with sensor and moving member to capture and move seed to a lower outlet opening | Emerging Cross-Sectional Technologies | 83 | Active |
| US7717048B2 | Agricultural seeding system | Emerging Cross-Sectional Technologies | 49 | Active |
| US8850995B2 | Seeding machine with seed delivery system | Human Necessities | 45 | Active |
| US8789482B2 | Seeding machine with seed delivery system | Human Necessities | 44 | Active |
| US8468960B2 | Seeding machine with seed delivery system | Human Necessities | 43 | Active |
| US8813663B2 | Seeding machine with seed delivery system | Human Necessities | 43 | Active |
| US7661377B2 | Seed meter with flexible seed disc | Human Necessities | 39 | Active |
| US9480199B2 | Seeding machine with seed delivery system | Human Necessities | 35 | Active |
| US9807924B2 | Seeding machine with seed delivery system | Human Necessities | 35 | Active |
| US9820429B2 | Seeding machine with seed delivery system | Human Necessities | 35 | Active |
| US9699955B2 | Seeding machine with seed delivery system | Human Necessities | 33 | Active |
| US9686906B2 | Seeding machine with seed delivery system | Human Necessities | 33 | Active |
| US8863676B2 | Twin-row multiple variety planter and method of use | Human Necessities | 32 | Active |
| US9686905B2 | Seeding machine with seed delivery system | Human Necessities | 31 | Active |
| US9861031B2 | Seeding machine with seed delivery system | Human Necessities | 30 | Active |
| US9807922B2 | Seeding machine with seed delivery system | Human Necessities | 30 | Active |
| US6752095B1 | Seed metering system for use in a seeding machine | Emerging Cross-Sectional Technologies | 30 | Expired |
| US10004173B2 | Seeding machine with seed delivery system | Human Necessities | 26 | Active |
| US10729063B2 | Seeding machine with seed delivery system | Human Necessities | 24 | Active |
| US10806070B2 | Seeding machine with seed delivery system | Human Necessities | 24 | Active |
| US6481647B1 | Seed meter and accelerator | Human Necessities | 23 | Expired |
| US6848377B2 | Furrow opener/closer in an agricultural machine | Human Necessities | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.