- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02F - Cylinders, pistons, or casings for combustion engines; arrangements of sealings in combustion engines
- F02F 3/26 - Pistons having combustion chamber in piston head
Patent holdings for IPC class F02F 3/26
Total number of patents in this class: 317
10-year publication summary
|
23
|
35
|
43
|
30
|
44
|
22
|
24
|
19
|
13
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3071 |
41 |
| Caterpillar Inc. | 9166 |
28 |
| Tenneco Inc | 283 |
24 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
11 |
| MAHLE International GmbH | 2705 |
10 |
| Honda Motor Co., Ltd. | 24866 |
9 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1311 |
7 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 323 |
7 |
| Toyota Motor Corporation | 30455 |
6 |
| Isuzu Motors Limited | 2240 |
6 |
| Scania CV AB | 2378 |
6 |
| Hitachi Automotive Systems, Ltd. | 3962 |
5 |
| Cummins Inc. | 2474 |
5 |
| Volvo Truck Corporation | 3106 |
5 |
| Weichai Power Co., Ltd. | 285 |
5 |
| Achates Power, Inc. | 208 |
4 |
| Jaguar Land Rover Limited | 4620 |
4 |
| LS Mtron Ltd. | 242 |
4 |
| Kabushiki Kaisha Toyota Jidoshokki | 1730 |
4 |
| MAN Truck & Bus SE | 479 |
4 |
| Other owners | 122 |