- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02F - Cylinders, pistons, or casings for combustion enginesarrangements of sealings in combustion engines
- F02F 3/02 - Pistons having means for accommodating or controlling heat expansion
Patent holdings for IPC class F02F 3/02
Total number of patents in this class: 101
10-year publication summary
|
15
|
16
|
7
|
6
|
6
|
3
|
8
|
2
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MAHLE International GmbH | 2906 |
20 |
| Federal-Mogul Nurnberg GmbH | 131 |
17 |
| KS Kolbenschmidt GmbH | 136 |
9 |
| Quest Engines, LLC | 31 |
5 |
| Federal-Mogul Powertrain LLC | 274 |
4 |
| Suzuki Motor Corporation | 1364 |
3 |
| AI Alpine US Bidco Inc. | 103 |
3 |
| Newgreen AG | 6 |
3 |
| Ford Global Technologies, LLC | 21417 |
2 |
| Caterpillar Inc. | 10265 |
2 |
| Federal-Mogul Corporation | 247 |
2 |
| Innio Waukesha Gas Engines Inc. | 72 |
2 |
| Newgreen American Inc. | 4 |
2 |
| General Electric Company | 13863 |
1 |
| Honda Motor Co., Ltd. | 25971 |
1 |
| Toyota Motor Corporation | 35398 |
1 |
| Hitachi Automotive Systems, Ltd. | 3954 |
1 |
| GM Global Technology Operations LLC | 15985 |
1 |
| Lockheed Martin Corporation | 3269 |
1 |
| Daimler AG | 2858 |
1 |
| Other owners | 20 |