- 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: 2740
10-year publication summary
|
260
|
338
|
305
|
304
|
269
|
180
|
150
|
123
|
123
|
79
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 33572 |
185 |
| Robert Bosch GmbH | 43114 |
181 |
| Ford Global Technologies, LLC | 20962 |
157 |
| Cummins Inc. | 2631 |
137 |
| Scania CV AB | 2400 |
136 |
| Cummins Emission Solutions, Inc. | 561 |
122 |
| GM Global Technology Operations LLC | 15421 |
104 |
| Vitesco Technologies GmbH | 2414 |
69 |
| Denso Corporation | 24818 |
64 |
| Continental Automotive GmbH | 4719 |
64 |
| Isuzu Motors Limited | 2274 |
54 |
| Hyundai Motor Company | 22888 |
51 |
| RENAULT s.a.s. | 5432 |
49 |
| Caterpillar Inc. | 9866 |
40 |
| Kia Motors Corporation | 7743 |
33 |
| Volkswagen AG | 7382 |
30 |
| PACCAR Inc | 1339 |
28 |
| Volvo Truck Corporation | 3599 |
28 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12642 |
28 |
| NGK Insulators, Ltd. | 5149 |
26 |
| Other owners | 1154 |