- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02D - Controlling combustion engines
- F02D 21/08 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion-air the other gas being the exhaust gas of engine
Patent holdings for IPC class F02D 21/08
Total number of patents in this class: 603
10-year publication summary
|
56
|
47
|
35
|
22
|
17
|
14
|
9
|
5
|
13
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12378 |
72 |
| Nissan Motor Co., Ltd. | 12966 |
38 |
| Ford Global Technologies, LLC | 21524 |
35 |
| Isuzu Motors Limited | 2323 |
32 |
| Mazda Motor Corporation | 3297 |
31 |
| Hitachi Automotive Systems, Ltd. | 3954 |
26 |
| Cummins Inc. | 2636 |
23 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
21 |
| RENAULT s.a.s. | 5376 |
19 |
| Denso Corporation | 25579 |
18 |
| Toyota Motor Corporation | 35813 |
15 |
| Honda Motor Co., Ltd. | 26034 |
14 |
| Caterpillar Inc. | 10281 |
14 |
| Yanmar Co., Ltd. | 1346 |
13 |
| Doosan Infracore Co., Ltd. | 308 |
9 |
| Japan Engine Corporation | 74 |
9 |
| Yanmar Power Technology Co., Ltd. | 580 |
9 |
| General Electric Company | 13910 |
8 |
| Toyota Jidosha Kabushiki Kaisha | 550 |
8 |
| Hitachi Astemo, Ltd. | 6407 |
8 |
| Other owners | 181 |