- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01N - Gas-flow silencers or exhaust apparatus for machines or engines in generalgas-flow silencers or exhaust apparatus for internal-combustion engines
- F01N 9/00 - Electrical control of exhaust gas treating apparatus
Patent holdings for IPC class F01N 9/00
Total number of patents in this class: 2433
10-year publication summary
|
241
|
290
|
323
|
264
|
208
|
138
|
119
|
94
|
83
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 31377 |
162 |
| Ford Global Technologies, LLC | 20396 |
128 |
| Cummins Inc. | 2551 |
105 |
| Scania CV AB | 2383 |
101 |
| Robert Bosch GmbH | 42411 |
90 |
| Cummins Emission Solutions, Inc. | 531 |
82 |
| GM Global Technology Operations LLC | 14850 |
76 |
| Caterpillar Inc. | 9449 |
66 |
| Isuzu Motors Limited | 2248 |
64 |
| Vitesco Technologies GmbH | 2597 |
64 |
| Hyundai Motor Company | 21501 |
60 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12880 |
44 |
| Continental Automotive GmbH | 5019 |
43 |
| Volvo Truck Corporation | 3290 |
43 |
| RENAULT s.a.s. | 5445 |
37 |
| Kia Motors Corporation | 7760 |
35 |
| Volkswagen AG | 7310 |
35 |
| PSA Automobiles SA | 2068 |
33 |
| Peugeot Citroen Automobiles SA | 1809 |
31 |
| Daimler AG | 3404 |
28 |
| Other owners | 1106 |