Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12329054 | Method of spreading granular material | Stefan Kiefer | 2025-06-17 |
| 12161108 | Agricultural spraying device | Stefan Kiefer | 2024-12-10 |
| 12004505 | Agricultural distribution device | Volker Ehlen, Stefan Jan Johannaber, Stefan Kiefer, Christian Holtkötter, Florenz HILBERT | 2024-06-11 |
| 11759805 | Active substance supply system for an agricultural sprayer | Christoph Kühn, Achim Dembeck, Johannes Feldhaus, Helmke Kalkmann, Mathias Stiegemeyer +1 more | 2023-09-19 |
| 11759806 | Active substance supply system for an agricultural sprayer | Christoph Kühn, Achim Dembeck, Johannes Feldhaus, Helmke Kalkmann, Mathias Stiegemeyer +1 more | 2023-09-19 |
| 11504728 | Active substance supply system for an agricultural sprayer | Christoph Kühn, Achim Dembeck, Johannes Feldhaus, Helmke Kalkmann, Mathias Stiegemeyer +1 more | 2022-11-22 |