- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 649
10-year publication summary
|
69
|
47
|
56
|
47
|
35
|
22
|
17
|
14
|
8
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
82 |
| Isuzu Motors Limited | 2158 |
39 |
| Nissan Motor Co., Ltd. | 12249 |
38 |
| Ford Global Technologies, LLC | 19702 |
36 |
| Mazda Motor Corporation | 3087 |
32 |
| Hitachi Automotive Systems, Ltd. | 3970 |
26 |
| Cummins Inc. | 2369 |
23 |
| RENAULT s.a.s. | 5674 |
23 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
21 |
| Denso Corporation | 23338 |
18 |
| Toyota Motor Corporation | 28582 |
16 |
| Honda Motor Co., Ltd. | 24537 |
15 |
| Yanmar Co., Ltd. | 1479 |
15 |
| Caterpillar Inc. | 8877 |
14 |
| Doosan Infracore Co., Ltd. | 313 |
9 |
| Japan Engine Corporation | 72 |
9 |
| Toyota Jidosha Kabushiki Kaisha | 983 |
9 |
| General Electric Company | 18133 |
8 |
| BorgWarner Inc. | 2604 |
8 |
| Yanmar Power Technology Co., Ltd. | 599 |
8 |
| Other owners | 200 |