- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02F - Cylinders, pistons, or casings for combustion enginesarrangements of sealings in combustion engines
- F02F 3/26 - Pistons having combustion chamber in piston head
Patent holdings for IPC class F02F 3/26
Total number of patents in this class: 320
10-year publication summary
|
23
|
34
|
43
|
30
|
44
|
22
|
24
|
20
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3161 |
41 |
| Caterpillar Inc. | 9604 |
29 |
| Tenneco Inc | 251 |
24 |
| MAHLE International GmbH | 2779 |
10 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12760 |
10 |
| Honda Motor Co., Ltd. | 25379 |
9 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1420 |
7 |
| Volvo Truck Corporation | 3438 |
7 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 207 |
7 |
| Toyota Motor Corporation | 32681 |
6 |
| Isuzu Motors Limited | 2260 |
6 |
| Scania CV AB | 2401 |
6 |
| Weichai Power Co., Ltd. | 295 |
6 |
| Hitachi Automotive Systems, Ltd. | 3955 |
5 |
| Achates Power, Inc. | 205 |
5 |
| Cummins Inc. | 2604 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
4 |
| Jaguar Land Rover Limited | 4791 |
4 |
| LS Mtron Ltd. | 291 |
4 |
| Kabushiki Kaisha Toyota Jidoshokki | 1764 |
4 |
| Other owners | 121 |