- 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: 2479
10-year publication summary
|
290
|
323
|
264
|
208
|
138
|
119
|
97
|
89
|
69
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 35813 |
166 |
| Ford Global Technologies, LLC | 21524 |
132 |
| Cummins Inc. | 2636 |
121 |
| Scania CV AB | 2411 |
102 |
| Robert Bosch GmbH | 44176 |
92 |
| Cummins Emission Solutions, Inc. | 580 |
85 |
| GM Global Technology Operations LLC | 16155 |
77 |
| Isuzu Motors Limited | 2323 |
64 |
| Vitesco Technologies GmbH | 2397 |
63 |
| Hyundai Motor Company | 24703 |
61 |
| Caterpillar Inc. | 10281 |
59 |
| Volvo Truck Corporation | 3913 |
44 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12378 |
42 |
| Continental Automotive GmbH | 4497 |
41 |
| Kia Motors Corporation | 7718 |
35 |
| Volkswagen AG | 7460 |
34 |
| PSA Automobiles SA | 2064 |
33 |
| RENAULT s.a.s. | 5376 |
31 |
| Tenneco Automotive Operating Company Inc. | 455 |
30 |
| Peugeot Citroen Automobiles SA | 1659 |
26 |
| Other owners | 1141 |