- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 31/00 - Modifying induction systems for imparting a rotation to the charge in the cylinder
Patent holdings for IPC class F02B 31/00
Total number of patents in this class: 146
10-year publication summary
|
13
|
18
|
15
|
6
|
5
|
7
|
3
|
8
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 25795 |
11 |
| Mazda Motor Corporation | 3246 |
11 |
| Toyota Motor Corporation | 34094 |
10 |
| Nissan Motor Co., Ltd. | 12712 |
7 |
| Ford Global Technologies, LLC | 21134 |
6 |
| IFP Energies Nouvelles | 3007 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12585 |
5 |
| Hitachi Automotive Systems, Ltd. | 3954 |
4 |
| Caterpillar Inc. | 10013 |
4 |
| Hyundai Motor Company | 23323 |
4 |
| Daimler AG | 2925 |
4 |
| Cummins Inc. | 2576 |
4 |
| General Atomics Aeronautical Systems, Inc. | 209 |
4 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2211 |
4 |
| C.R.F. Societa Consortile per Azioni | 383 |
3 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1496 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2185 |
2 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 813 |
2 |
| Scania CV AB | 2394 |
2 |
| Subaru Corporation | 3814 |
2 |
| Other owners | 48 |