- 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: 319
10-year publication summary
|
35
|
43
|
30
|
44
|
22
|
24
|
20
|
13
|
12
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3310 |
42 |
| Caterpillar Inc. | 10316 |
30 |
| Federal-Mogul Powertrain LLC | 270 |
24 |
| MAHLE International GmbH | 2921 |
9 |
| Volvo Truck Corporation | 3955 |
9 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12324 |
9 |
| Honda Motor Co., Ltd. | 26309 |
7 |
| Isuzu Motors Limited | 2334 |
7 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1569 |
7 |
| Toyota Motor Corporation | 36159 |
6 |
| Scania CV AB | 2414 |
6 |
| Weichai Power Co., Ltd. | 311 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
5 |
| Hitachi Automotive Systems, Ltd. | 3954 |
5 |
| Perkins Engines Company Limited | 303 |
4 |
| Cummins Inc. | 2652 |
4 |
| General Atomics Aeronautical Systems, Inc. | 210 |
4 |
| Jaguar Land Rover Limited | 5140 |
4 |
| KS Kolbenschmidt GmbH | 133 |
4 |
| LS Mtron Ltd. | 350 |
4 |
| Other owners | 123 |