- 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: 79
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 | 2272 |
4 |
| Ford Global Technologies, LLC | 20917 |
3 |
| Yamaha Motor Power Products Kabushiki Kaisha | 55 |
3 |
| Honda Motor Co., Ltd. | 25778 |
2 |
| Hyundai Motor Company | 22753 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14661 |
2 |
| Kia Motors Corporation | 7744 |
2 |
| Cummins Emission Solutions, Inc. | 553 |
2 |
| DAF Trucks N.V. | 195 |
2 |
| Futaba Industrial Co., Ltd. | 343 |
2 |
| Hitachi Koki Co., Ltd. | 412 |
2 |
| LS Mtron Ltd. | 294 |
2 |
| Matsushou Co., Ltd. | 6 |
2 |
| Yanmar Co., Ltd. | 1387 |
2 |
| TVS Motor Company Limited | 783 |
2 |
| Marelli Corporation | 195 |
2 |
| Yanmar Power Technology Co., Ltd. | 581 |
2 |
| Kawasaki Motors, Ltd. | 1380 |
2 |
| Toyota Motor Corporation | 33378 |
1 |
| Other owners | 30 |