- 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: 2450
10-year publication summary
|
251
|
260
|
275
|
219
|
189
|
157
|
144
|
91
|
70
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 20057 |
235 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13109 |
208 |
| Mazda Motor Corporation | 3069 |
130 |
| Hyundai Motor Company | 20403 |
116 |
| Toyota Motor Corporation | 30345 |
99 |
| GM Global Technology Operations LLC | 14197 |
84 |
| Nissan Motor Co., Ltd. | 12332 |
71 |
| Denso Corporation | 23721 |
68 |
| Kia Motors Corporation | 7779 |
55 |
| Hitachi Astemo, Ltd. | 6050 |
55 |
| Hitachi Automotive Systems, Ltd. | 3962 |
54 |
| Cummins Inc. | 2467 |
54 |
| Volvo Truck Corporation | 3094 |
41 |
| Honda Motor Co., Ltd. | 24865 |
37 |
| Eaton Intelligent Power Limited | 6293 |
37 |
| Toyota Jidosha Kabushiki Kaisha | 925 |
36 |
| Caterpillar Inc. | 9149 |
35 |
| Tula Technology, Inc. | 340 |
34 |
| Volkswagen AG | 7271 |
34 |
| Jaguar Land Rover Limited | 4622 |
33 |
| Other owners | 934 |