- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 31/00 - Valve drive, valve adjustment during operation, or other valve control, not provided for in groups
Patent holdings for IPC class F01L 31/00
Total number of patents in this class: 15
10-year publication summary
|
3
|
3
|
1
|
0
|
0
|
1
|
0
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0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BorgWarner Inc. | 2607 |
2 |
| Fisher Controls International LLC | 1515 |
2 |
| Toyota Motor Corporation | 30455 |
1 |
| Eaton Corporation | 1831 |
1 |
| Toshiba Corporation | 12051 |
1 |
| Caterpillar Inc. | 9166 |
1 |
| Hyundai Motor Company | 20483 |
1 |
| Depiak Industrial Technology Corporation | 3 |
1 |
| Essai, Inc. | 29 |
1 |
| Mitsubishi Heavy Industries Compressor Corporation | 620 |
1 |
| Thermal Power Recovery LLC | 12 |
1 |
| Mitsubishi Industries Compressor Corporation | 1 |
1 |
| Vitesco Technologies GmbH | 2494 |
1 |
| Other owners | 0 |