Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466060 | Carbohydrate producing plant material | Chuanxin Sun, Christer Jansson, Per Åman | 2022-10-11 |
| D289524 | Lawnmower blade | Lennart Engdahl, Jan Klasson | 1987-04-28 |
| 4594843 | Lawn mower knife assembly | Lennart Engdahl, Jan Klasson | 1986-06-17 |
| 4537581 | Cone belt tightening device | Soren Johansson, Lennart Jonsson | 1985-08-27 |
| D271020 | Riding lawn mover | Gunnar Malmberg, Kjell Pettersson | 1983-10-18 |
| 4317324 | System for motor-driven ride-on lawn mowers | Gunnar Malmberg, Kjell Pettersson | 1982-03-02 |