- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02F - Cylinders, pistons, or casings for combustion enginesarrangements of sealings in combustion engines
- F02F 1/28 - Cylinder heads having cooling means for air cooling
Patent holdings for IPC class F02F 1/28
Total number of patents in this class: 18
10-year publication summary
|
3
|
0
|
0
|
1
|
1
|
0
|
1
|
1
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 26212 |
4 |
| Briggs & Stratton, LLC | 687 |
4 |
| Textron Innovations Inc. | 2537 |
3 |
| Wuxi Kipor Power Co., Ltd. | 82 |
2 |
| Kubota Corporation | 4419 |
1 |
| Loncin Motor Co., Ltd. | 58 |
1 |
| MAN Truck & Bus SE | 500 |
1 |
| Champion Power Equipment | 12 |
1 |
| Ishikawa Energy Research Co., Ltd. | 107 |
1 |
| Other owners | 0 |