- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 2461
10-year publication summary
|
244
|
258
|
274
|
219
|
189
|
158
|
144
|
90
|
73
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 20605 |
234 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12790 |
199 |
| Mazda Motor Corporation | 3141 |
130 |
| Hyundai Motor Company | 22044 |
118 |
| Toyota Motor Corporation | 32331 |
98 |
| GM Global Technology Operations LLC | 15088 |
84 |
| Nissan Motor Co., Ltd. | 12511 |
71 |
| Denso Corporation | 24334 |
67 |
| Cummins Inc. | 2590 |
57 |
| Hitachi Astemo, Ltd. | 6380 |
56 |
| Kia Motors Corporation | 7754 |
55 |
| Hitachi Automotive Systems, Ltd. | 3957 |
54 |
| Volvo Truck Corporation | 3418 |
42 |
| Caterpillar Inc. | 9558 |
38 |
| Eaton Intelligent Power Limited | 5993 |
38 |
| Honda Motor Co., Ltd. | 25301 |
37 |
| Jaguar Land Rover Limited | 4755 |
34 |
| Tula Technology, Inc. | 346 |
34 |
| Volkswagen AG | 7347 |
34 |
| Toyota Jidosha Kabushiki Kaisha | 868 |
33 |
| Other owners | 948 |