- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02D - Controlling combustion engines
- F02D 13/02 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
Patent holdings for IPC class F02D 13/02
Total number of patents in this class: 2499
10-year publication summary
|
259
|
251
|
260
|
275
|
219
|
189
|
156
|
143
|
91
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 19702 |
251 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
212 |
| Mazda Motor Corporation | 3087 |
131 |
| Hyundai Motor Company | 19021 |
116 |
| Toyota Motor Corporation | 28582 |
112 |
| GM Global Technology Operations LLC | 13620 |
91 |
| Nissan Motor Co., Ltd. | 12249 |
71 |
| Denso Corporation | 23338 |
69 |
| Kia Motors Corporation | 7946 |
57 |
| Hitachi Astemo, Ltd. | 5618 |
57 |
| Hitachi Automotive Systems, Ltd. | 3970 |
54 |
| Cummins Inc. | 2369 |
50 |
| Honda Motor Co., Ltd. | 24537 |
43 |
| Volvo Truck Corporation | 2764 |
39 |
| Toyota Jidosha Kabushiki Kaisha | 983 |
39 |
| Eaton Intelligent Power Limited | 6113 |
36 |
| Caterpillar Inc. | 8877 |
35 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
34 |
| Tula Technology, Inc. | 331 |
34 |
| Volkswagen AG | 6966 |
34 |
| Other owners | 934 |