- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02F - Cylinders, pistons, or casings for combustion engines; arrangements of sealings in combustion engines
- F02F 3/04 - Pistons having means for accommodating or controlling heat expansion having expansion-controlling inserts
Patent holdings for IPC class F02F 3/04
Total number of patents in this class: 11
10-year publication summary
|
2
|
0
|
2
|
1
|
2
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3
|
1
|
0
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3069 |
2 |
| Nissan Motor Co., Ltd. | 12332 |
1 |
| Daimler AG | 3418 |
1 |
| NGK Insulators, Ltd. | 4791 |
1 |
| Art Metal Mfg. Co., Ltd. | 30 |
1 |
| Cummins Inc. | 2467 |
1 |
| Federal-Mogul Corporation | 336 |
1 |
| Kolbenschmidt K. K. | 1 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13109 |
1 |
| MAN Truck & Bus SE | 478 |
1 |
| Other owners | 0 |