- 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: 2459
10-year publication summary
|
251
|
260
|
275
|
219
|
189
|
158
|
144
|
91
|
73
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 20570 |
234 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12798 |
199 |
| Mazda Motor Corporation | 3135 |
130 |
| Hyundai Motor Company | 21987 |
118 |
| Toyota Motor Corporation | 32116 |
97 |
| GM Global Technology Operations LLC | 15042 |
84 |
| Nissan Motor Co., Ltd. | 12484 |
70 |
| Denso Corporation | 24282 |
67 |
| Cummins Inc. | 2577 |
57 |
| Hitachi Astemo, Ltd. | 6387 |
56 |
| Kia Motors Corporation | 7754 |
55 |
| Hitachi Automotive Systems, Ltd. | 3958 |
54 |
| Volvo Truck Corporation | 3401 |
42 |
| Eaton Intelligent Power Limited | 5983 |
38 |
| Honda Motor Co., Ltd. | 25251 |
37 |
| Caterpillar Inc. | 9548 |
37 |
| Jaguar Land Rover Limited | 4738 |
34 |
| Tula Technology, Inc. | 344 |
34 |
| Volkswagen AG | 7341 |
34 |
| Toyota Jidosha Kabushiki Kaisha | 883 |
34 |
| Other owners | 948 |