- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02F - Cylinders, pistons, or casings for combustion engines; arrangements of sealings in combustion engines
- F02F 3/10 - Pistons having surface coverings
Patent holdings for IPC class F02F 3/10
Total number of patents in this class: 185
10-year publication summary
|
18
|
24
|
21
|
18
|
19
|
10
|
4
|
7
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tenneco Inc | 283 |
18 |
| Hitachi Automotive Systems, Ltd. | 3962 |
17 |
| MAHLE International GmbH | 2690 |
12 |
| Honda Motor Co., Ltd. | 24865 |
11 |
| Aisin Seiki Kabushiki Kaisha | 2286 |
8 |
| NGK Insulators, Ltd. | 4791 |
7 |
| Toyota Motor Corporation | 30345 |
6 |
| Nissan Motor Co., Ltd. | 12332 |
6 |
| Akros Co., Ltd. | 16 |
6 |
| Federal-Mogul Nurnberg GmbH | 137 |
6 |
| Isuzu Motors Limited | 2238 |
6 |
| Suzuki Motor Corporation | 1288 |
6 |
| Ibiden Co., Ltd. | 1735 |
5 |
| Mazda Motor Corporation | 3069 |
5 |
| Art Metal Mfg. Co., Ltd. | 30 |
5 |
| KS Kolbenschmidt GmbH | 160 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13109 |
4 |
| Federal-Mogul Corporation | 336 |
3 |
| Weichai Power Co., Ltd. | 285 |
3 |
| GM Global Technology Operations LLC | 14197 |
2 |
| Other owners | 45 |