- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion engines in general
- F02B 31/06 - Movable means, e.g. butterfly valves
Patent holdings for IPC class F02B 31/06
Total number of patents in this class: 102
10-year publication summary
|
10
|
13
|
12
|
8
|
7
|
11
|
5
|
3
|
9
|
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 |
18 |
| Mazda Motor Corporation | 3071 |
11 |
| Aisin Seiki Kabushiki Kaisha | 2285 |
8 |
| MAHLE International GmbH | 2705 |
6 |
| Denso Corporation | 23769 |
5 |
| Nissan Motor Co., Ltd. | 12352 |
5 |
| Toyota Motor Corporation | 30455 |
4 |
| Toyota Jidosha Kabushiki Kaisha | 925 |
4 |
| Ford Global Technologies, LLC | 20070 |
3 |
| Hyundai Motor Company | 20483 |
3 |
| Hitachi Astemo, Ltd. | 6091 |
3 |
| Robert Bosch GmbH | 41786 |
2 |
| Daimler AG | 3418 |
2 |
| FCA US LLC | 2885 |
2 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1311 |
2 |
| Subaru Corporation | 3328 |
2 |
| MAHLE Japan Ltd. | 52 |
2 |
| Hitachi, Ltd. | 15226 |
1 |
| Hitachi Automotive Systems, Ltd. | 3962 |
1 |
| Hyundai Kefico Corporation | 217 |
1 |
| Other owners | 17 |