- 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 11/00 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus
Patent holdings for IPC class F01N 11/00
Total number of patents in this class: 2742
10-year publication summary
|
338
|
305
|
304
|
269
|
180
|
150
|
123
|
123
|
81
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 33770 |
186 |
| Robert Bosch GmbH | 43170 |
181 |
| Ford Global Technologies, LLC | 21003 |
157 |
| Cummins Inc. | 2641 |
137 |
| Scania CV AB | 2394 |
135 |
| Cummins Emission Solutions, Inc. | 560 |
122 |
| GM Global Technology Operations LLC | 15497 |
104 |
| Vitesco Technologies GmbH | 2412 |
69 |
| Denso Corporation | 24915 |
64 |
| Continental Automotive GmbH | 4711 |
64 |
| Isuzu Motors Limited | 2281 |
54 |
| Hyundai Motor Company | 23055 |
51 |
| RENAULT s.a.s. | 5420 |
49 |
| Caterpillar Inc. | 9896 |
40 |
| Kia Motors Corporation | 7743 |
33 |
| Volkswagen AG | 7385 |
30 |
| PACCAR Inc | 1349 |
28 |
| Volvo Truck Corporation | 3648 |
28 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12634 |
28 |
| NGK Insulators, Ltd. | 5174 |
26 |
| Other owners | 1156 |