- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02F - Cylinders, pistons, or casings for combustion enginesarrangements of sealings in combustion engines
- F02F 3/18 - Pistons having cooling means the means being a liquid or solid coolant, e.g. sodium, in a closed chamber in piston
Patent holdings for IPC class F02F 3/18
Total number of patents in this class: 67
10-year publication summary
|
11
|
18
|
7
|
4
|
3
|
2
|
1
|
1
|
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 | 2817 |
19 |
| Federal-Mogul Powertrain LLC | 266 |
12 |
| Federal-Mogul Corporation | 298 |
7 |
| Federal-Mogul LLC | 103 |
6 |
| KS Kolbenschmidt GmbH | 150 |
5 |
| Achates Power, Inc. | 203 |
3 |
| Ohio State Innovation Foundation | 2207 |
3 |
| Federal-Mogul Nurnberg GmbH | 133 |
2 |
| Hyundai Motor Company | 22580 |
1 |
| Daimler AG | 3344 |
1 |
| Kia Motors Corporation | 7746 |
1 |
| CDP Bharat Forge GmbH | 2 |
1 |
| Tenneco Inc | 70 |
1 |
| Binzhou Donghailong Piston Co., Ltd | 2 |
1 |
| Binzhou Bohai Piston Co., Ltd. | 6 |
1 |
| MAHLE Konig Kommanditgesellschaft GmbH & Co. | 5 |
1 |
| Mainspring Energy, Inc. | 114 |
1 |
| Carnot Ltd, Studio 124, Great Western Studios | 1 |
1 |
| Other owners | 0 |