- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02F - Cylinders, pistons, or casings for combustion engines; arrangements of sealings in combustion engines
- F02F 3/02 - Pistons having means for accommodating or controlling heat expansion
Patent holdings for IPC class F02F 3/02
Total number of patents in this class: 105
10-year publication summary
|
14
|
15
|
16
|
7
|
6
|
6
|
3
|
8
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MAHLE International GmbH | 2690 |
22 |
| Federal-Mogul Nurnberg GmbH | 137 |
17 |
| KS Kolbenschmidt GmbH | 160 |
9 |
| Quest Engines, LLC | 31 |
5 |
| Tenneco Inc | 283 |
4 |
| Innio Waukesha Gas Engines Inc. | 59 |
4 |
| Federal-Mogul Corporation | 336 |
3 |
| Suzuki Motor Corporation | 1288 |
3 |
| AI Alpine US Bidco Inc. | 105 |
3 |
| Ford Global Technologies, LLC | 20057 |
2 |
| Caterpillar Inc. | 9149 |
2 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 323 |
2 |
| Newgreen AG | 3 |
2 |
| Newgreen American Inc. | 3 |
2 |
| General Electric Company | 17803 |
1 |
| Honda Motor Co., Ltd. | 24865 |
1 |
| Honeywell International Inc. | 14007 |
1 |
| Hitachi Automotive Systems, Ltd. | 3962 |
1 |
| GM Global Technology Operations LLC | 14197 |
1 |
| Lockheed Martin Corporation | 3303 |
1 |
| Other owners | 19 |