Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050076 | Haymaking machine | Marc Helfer | 2000-04-18 |
| 5953894 | Haymaking machine | Michel Quirin | 1999-09-21 |
| 5862659 | Haymaking machine with at least one windrowing rotor | — | 1999-01-26 |
| 5784873 | Haymaking machine with a foldable protection device | — | 1998-07-28 |
| 5743075 | Haymaking machine | Marc Helfer | 1998-04-28 |
| 5685136 | Haymaking machine | — | 1997-11-11 |
| 5586421 | Haymaking machine | — | 1996-12-24 |
| 5274990 | Haymaking machine having an adjustable deflector | Didier Demanet | 1994-01-04 |
| 4953346 | Tractor driven farm machine | — | 1990-09-04 |
| 4922700 | Haymaking machine | — | 1990-05-08 |
| 4914901 | Haymaking machine with at least one raking wheel equipped with controlled tool-carrying arms | — | 1990-04-10 |
| 4875332 | Hay making machine | — | 1989-10-24 |
| 4723404 | Haymaking machine equipped with raking wheels | — | 1988-02-09 |
| 4693065 | Farm machines having flexible skirts for moving agricultural products on the ground | Alfred Engel | 1987-09-15 |
| 4656821 | Haymaking machine for the tedding | — | 1987-04-14 |
| 4628673 | Haymaking machine for the tedding | — | 1986-12-16 |
| 4519194 | Hay harvesting machine | Michel Quirin | 1985-05-28 |
| 4367622 | Pick-up device | Michel Quirin, Albert Wattron | 1983-01-11 |
| 4283904 | Grass forage harvester | — | 1981-08-18 |