- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion 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: 150
10-year publication summary
|
14
|
15
|
18
|
15
|
6
|
5
|
7
|
3
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24866 |
11 |
| Mazda Motor Corporation | 3071 |
11 |
| Toyota Motor Corporation | 30455 |
10 |
| Nissan Motor Co., Ltd. | 12352 |
8 |
| Ford Global Technologies, LLC | 20070 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
7 |
| IFP Energies Nouvelles | 2829 |
6 |
| Daimler AG | 3418 |
5 |
| Hitachi Automotive Systems, Ltd. | 3962 |
4 |
| Caterpillar Inc. | 9166 |
4 |
| Hyundai Motor Company | 20483 |
4 |
| Achates Power, Inc. | 208 |
4 |
| Cummins Inc. | 2474 |
4 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1311 |
4 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2076 |
4 |
| C.R.F. Societa Consortile per Azioni | 384 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2285 |
2 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 760 |
2 |
| Scania CV AB | 2378 |
2 |
| Southwest Research Institute | 765 |
2 |
| Other owners | 46 |