- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02F - Cylinders, pistons, or casings for combustion enginesarrangements of sealings in combustion engines
- F02F 3/20 - Pistons having cooling means the means being a fluid flowing through or along piston
Patent holdings for IPC class F02F 3/20
Total number of patents in this class: 42
10-year publication summary
|
15
|
3
|
5
|
2
|
5
|
4
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MAHLE International GmbH | 2879 |
7 |
| Federal-Mogul LLC | 56 |
6 |
| Federal-Mogul Powertrain LLC | 274 |
5 |
| Coutts Industries Inc. | 4 |
4 |
| Caterpillar Inc. | 10118 |
3 |
| Federal-Mogul Corporation | 261 |
2 |
| Federal-Mogul Nurnberg GmbH | 131 |
2 |
| KS Kolbenschmidt GmbH | 141 |
2 |
| Honda Motor Co., Ltd. | 25858 |
1 |
| Ford Global Technologies, LLC | 21263 |
1 |
| Mazda Motor Corporation | 3271 |
1 |
| Cummins Inc. | 2588 |
1 |
| Cummins Power Generation IP, Inc. | 315 |
1 |
| Dong Yang Piston Co., Ltd. | 28 |
1 |
| Hikari Seiko Co., Ltd. | 2 |
1 |
| Volkswagen AG | 7395 |
1 |
| Zheng Ling | 11 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12525 |
1 |
| Kolbenschmidt K.K. | 1 |
1 |
| Other owners | 0 |