- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 5/20 - Slide-valve gear or valve arrangements specially for two-stroke engines
Patent holdings for IPC class F01L 5/20
Total number of patents in this class: 7
10-year publication summary
|
3
|
1
|
2
|
2
|
1
|
1
|
0
|
0
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BRP-Rotax GmbH & Co. KG | 149 |
3 |
| Arctic Cat Inc. | 338 |
1 |
| Volvo Truck Corporation | 2764 |
1 |
| Hyon Engineering GmbH | 3 |
1 |
| Twostroke Motorcycle Company | 1 |
1 |
| Other owners | 0 |