- 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: 302
10-year publication summary
|
29
|
27
|
29
|
33
|
17
|
20
|
6
|
10
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pierburg GmbH | 472 |
23 |
| Cummins Inc. | 2585 |
14 |
| Ford Global Technologies, LLC | 21246 |
12 |
| Faurecia Systemes D'Echappement | 173 |
12 |
| Isuzu Motors Limited | 2300 |
12 |
| Volvo Truck Corporation | 3766 |
12 |
| Caterpillar Inc. | 10109 |
10 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 312 |
10 |
| Mikuni Corporation | 340 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12532 |
7 |
| Mazda Motor Corporation | 3270 |
6 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 807 |
6 |
| Kubota Corporation | 4206 |
5 |
| Akrapovic d.d. | 19 |
5 |
| Toyota Motor Corporation | 34468 |
4 |
| Hyundai Motor Company | 23618 |
4 |
| Komatsu Ltd. | 4662 |
4 |
| Emcon Technologies LLC | 27 |
4 |
| RENAULT s.a.s. | 5404 |
4 |
| Suzuki Motor Corporation | 1356 |
4 |
| Other owners | 137 |