- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 35/02 - Valves
Patent holdings for IPC class F01L 35/02
Total number of patents in this class: 7
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 23479 |
2 |
| Kia Motors Corporation | 7730 |
2 |
| Pratt & Whitney Canada Corp. | 5197 |
1 |
| G.W. Lisk Company, Inc. | 36 |
1 |
| Heaten AS | 21 |
1 |
| Other owners | 0 |