- 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 13/20 - Exhaust or silencing apparatus characterised by constructional features having flared outlets, e.g. of fish-tail shape
Patent holdings for IPC class F01N 13/20
Total number of patents in this class: 80
10-year publication summary
|
8
|
11
|
6
|
11
|
8
|
5
|
1
|
1
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisma Solutions ApS | 31 |
8 |
| Isuzu Motors Limited | 2254 |
4 |
| Ford Global Technologies, LLC | 20605 |
3 |
| Yamaha Motor Power Products Kabushiki Kaisha | 57 |
3 |
| Honda Motor Co., Ltd. | 25301 |
2 |
| Hyundai Motor Company | 22044 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14394 |
2 |
| Kia Motors Corporation | 7754 |
2 |
| Cummins Emission Solutions, Inc. | 541 |
2 |
| DAF Trucks N.V. | 195 |
2 |
| Futaba Industrial Co., Ltd. | 338 |
2 |
| Hitachi Koki Co., Ltd. | 416 |
2 |
| LS Mtron Ltd. | 289 |
2 |
| Matsushou Co., Ltd. | 6 |
2 |
| Yanmar Co., Ltd. | 1404 |
2 |
| TVS Motor Company Limited | 705 |
2 |
| Marelli Corporation | 194 |
2 |
| Yanmar Power Technology Co., Ltd. | 580 |
2 |
| Kawasaki Motors, Ltd. | 1322 |
2 |
| Toyota Motor Corporation | 32331 |
1 |
| Other owners | 31 |