- 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 3/34 - Arrangements for supply of additional air using air conduits or jet air pumps, e.g. near the engine exhaust port
Patent holdings for IPC class F01N 3/34
Total number of patents in this class: 83
10-year publication summary
|
8
|
6
|
8
|
5
|
12
|
6
|
4
|
4
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Volkswagen AG | 7327 |
6 |
| Honda Motor Co., Ltd. | 24954 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 13995 |
3 |
| TVS Motor Company Limited | 652 |
3 |
| Mercedes-Benz Group AG | 4759 |
3 |
| Toyota Motor Corporation | 30724 |
2 |
| GM Global Technology Operations LLC | 14424 |
2 |
| Cummins Emission Solutions, Inc. | 521 |
2 |
| Ecospray Technologies S.r.l. | 28 |
2 |
| General Electric Technology GmbH | 1603 |
2 |
| Jaguar Land Rover Limited | 4646 |
2 |
| Mikuni Corporation | 339 |
2 |
| Suzuki Motor Corporation | 1294 |
2 |
| Yanmar Co., Ltd. | 1433 |
2 |
| Anhui Jianghuai Automobile Group Corp.,ltd. | 39 |
2 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2083 |
2 |
| Topsoe A/S | 836 |
2 |
| Discovery Energy, LLC | 376 |
2 |
| Deere & Company | 7410 |
1 |
| Kohler Co. | 3978 |
1 |
| Other owners | 35 |