- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; gas-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: 2670
10-year publication summary
|
278
|
264
|
342
|
311
|
304
|
270
|
179
|
156
|
122
|
39
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
203 |
| Robert Bosch GmbH | 40953 |
177 |
| Ford Global Technologies, LLC | 19702 |
163 |
| Scania CV AB | 2330 |
131 |
| Cummins Inc. | 2369 |
117 |
| GM Global Technology Operations LLC | 13620 |
107 |
| Cummins Emission Solutions, Inc. | 480 |
103 |
| Vitesco Technologies GmbH | 2372 |
65 |
| Denso Corporation | 23338 |
64 |
| Continental Automotive GmbH | 5573 |
58 |
| RENAULT s.a.s. | 5674 |
56 |
| Isuzu Motors Limited | 2158 |
53 |
| Hyundai Motor Company | 19021 |
51 |
| Caterpillar Inc. | 8877 |
40 |
| Kia Motors Corporation | 7946 |
34 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
34 |
| Volkswagen AG | 6966 |
29 |
| NGK Insulators, Ltd. | 4589 |
26 |
| PACCAR Inc | 1252 |
25 |
| Peugeot Citroen Automobiles SA | 1903 |
25 |
| Other owners | 1109 |