- 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: 301
10-year publication summary
|
20
|
29
|
27
|
29
|
33
|
17
|
20
|
6
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pierburg GmbH | 469 |
23 |
| Cummins Inc. | 2593 |
13 |
| Isuzu Motors Limited | 2259 |
13 |
| Ford Global Technologies, LLC | 20646 |
12 |
| Faurecia Systemes D'Echappement | 175 |
12 |
| Volvo Truck Corporation | 3424 |
12 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 307 |
10 |
| Caterpillar Inc. | 9579 |
9 |
| Mikuni Corporation | 341 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12787 |
7 |
| Mazda Motor Corporation | 3151 |
6 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 774 |
6 |
| Kubota Corporation | 3919 |
5 |
| Toyota Motor Corporation | 32450 |
4 |
| Hyundai Motor Company | 22086 |
4 |
| Komatsu Ltd. | 4557 |
4 |
| Emcon Technologies LLC | 37 |
4 |
| RENAULT s.a.s. | 5466 |
4 |
| Suzuki Motor Corporation | 1312 |
4 |
| Toyota Jidosha Kabushiki Kaisha | 866 |
4 |
| Other owners | 138 |