- 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 3/18 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl
Patent holdings for IPC class F01N 3/18
Total number of patents in this class: 433
10-year publication summary
|
27
|
20
|
26
|
20
|
11
|
14
|
10
|
9
|
11
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Isuzu Motors Limited | 2278 |
44 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12626 |
37 |
| Denso Corporation | 24965 |
21 |
| Cummins Emission Solutions, Inc. | 561 |
19 |
| Komatsu Ltd. | 4641 |
15 |
| Bosch Corporation | 372 |
15 |
| Toyota Motor Corporation | 33893 |
12 |
| Ford Global Technologies, LLC | 21058 |
12 |
| Cummins Inc. | 2562 |
12 |
| Johnson Matthey Public Limited Company | 1737 |
9 |
| Hitachi Construction Machinery Co., Ltd. | 2678 |
8 |
| Caterpillar Inc. | 9983 |
8 |
| Tenneco Automotive Operating Company Inc. | 279 |
8 |
| Hyundai Motor Company | 23166 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8951 |
6 |
| Robert Bosch GmbH | 43244 |
6 |
| Nissan Motor Co., Ltd. | 12676 |
6 |
| Hino Motors, Ltd. | 335 |
6 |
| Nissan Diesel Motor Co., Ltd. | 23 |
6 |
| Honda Motor Co., Ltd. | 25764 |
5 |
| Other owners | 171 |