- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02F - Cylinders, pistons, or casings for combustion engines; arrangements 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: 44
10-year publication summary
|
7
|
15
|
3
|
5
|
2
|
7
|
4
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MAHLE International GmbH | 2690 |
7 |
| Federal-Mogul LLC | 122 |
6 |
| Tenneco Inc | 283 |
5 |
| Coutts Industries Inc. | 4 |
4 |
| Caterpillar Inc. | 9149 |
3 |
| Federal-Mogul Corporation | 336 |
2 |
| Federal-Mogul Nurnberg GmbH | 137 |
2 |
| KS Kolbenschmidt GmbH | 160 |
2 |
| Honda Motor Co., Ltd. | 24865 |
1 |
| Ford Global Technologies, LLC | 20057 |
1 |
| Mazda Motor Corporation | 3069 |
1 |
| Cummins Inc. | 2467 |
1 |
| Dong Yang Piston Co., Ltd. | 26 |
1 |
| Hikari Seiko Co., Ltd. | 2 |
1 |
| Hino Motors, Ltd. | 345 |
1 |
| Volkswagen AG | 7271 |
1 |
| Zheng Ling | 12 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13109 |
1 |
| Kolbenschmidt K.K. | 1 |
1 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 323 |
1 |
| Other owners | 1 |