- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 31/08 - Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets
Patent holdings for IPC class F02B 31/08
Total number of patents in this class: 81
10-year publication summary
|
2
|
8
|
21
|
7
|
3
|
3
|
3
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3327 |
21 |
| IFP Energies Nouvelles | 3136 |
5 |
| Honda Motor Co., Ltd. | 26719 |
4 |
| Toyota Motor Corporation | 36619 |
4 |
| Hyundai Motor Company | 25321 |
3 |
| Daimler AG | 2779 |
3 |
| C.R.F. Societa Consortile per Azioni | 383 |
3 |
| MAHLE International GmbH | 2938 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12264 |
3 |
| Kia Motors Corporation | 7712 |
2 |
| International Engine Intellectual Property Company, LLC | 443 |
2 |
| Polaris Industries Inc. | 2332 |
2 |
| Wartsila Finland Oy | 758 |
2 |
| Subaru Corporation | 4143 |
2 |
| Robert Bosch GmbH | 44459 |
1 |
| GM Global Technology Operations LLC | 16327 |
1 |
| Denso Corporation | 26008 |
1 |
| Ford Global Technologies, LLC | 21686 |
1 |
| Caterpillar Inc. | 10391 |
1 |
| Schaeffler Technologies AG & Co. KG | 11297 |
1 |
| Other owners | 16 |