- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 304
10-year publication summary
|
19
|
20
|
30
|
27
|
29
|
33
|
18
|
21
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pierburg GmbH | 435 |
22 |
| Isuzu Motors Limited | 2158 |
15 |
| Cummins Inc. | 2369 |
13 |
| Ford Global Technologies, LLC | 19702 |
12 |
| Faurecia Systemes D'Echappement | 222 |
12 |
| Volvo Truck Corporation | 2764 |
12 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 288 |
10 |
| Caterpillar Inc. | 8877 |
9 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
9 |
| Mikuni Corporation | 332 |
7 |
| Mazda Motor Corporation | 3087 |
6 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
6 |
| Hyundai Motor Company | 19021 |
5 |
| Toyota Motor Corporation | 28582 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
4 |
| Emcon Technologies LLC | 48 |
4 |
| Faurecia Emissions Control Technologies, USA, LLC | 157 |
4 |
| Kubota Corporation | 3054 |
4 |
| RENAULT s.a.s. | 5674 |
4 |
| Suzuki Motor Corporation | 1266 |
4 |
| Other owners | 138 |