- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02D - Controlling combustion engines
- F02D 9/04 - Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
Patent holdings for IPC class F02D 9/04
Total number of patents in this class: 299
10-year publication summary
|
30
|
27
|
29
|
33
|
18
|
21
|
6
|
11
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pierburg GmbH | 478 |
23 |
| Cummins Inc. | 2641 |
14 |
| Ford Global Technologies, LLC | 21560 |
12 |
| Faurecia Systemes D'Echappement | 172 |
12 |
| Isuzu Motors Limited | 2327 |
12 |
| Volvo Truck Corporation | 3937 |
12 |
| Caterpillar Inc. | 10280 |
10 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 309 |
10 |
| Mikuni Corporation | 341 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12353 |
7 |
| Mazda Motor Corporation | 3304 |
6 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 847 |
6 |
| Kubota Corporation | 4409 |
5 |
| Akrapovic d.d. | 22 |
5 |
| Toyota Motor Corporation | 35927 |
4 |
| Hyundai Motor Company | 24808 |
4 |
| Komatsu Ltd. | 4751 |
4 |
| Emcon Technologies LLC | 24 |
4 |
| Suzuki Motor Corporation | 1368 |
4 |
| General Electric Company | 13915 |
3 |
| Other owners | 135 |