- 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: 84
10-year publication summary
|
6
|
8
|
5
|
12
|
6
|
4
|
4
|
2
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Volkswagen AG | 7460 |
6 |
| Honda Motor Co., Ltd. | 26034 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 15289 |
3 |
| TVS Motor Company Limited | 886 |
3 |
| Mercedes-Benz Group AG | 5568 |
3 |
| Toyota Motor Corporation | 35813 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
2 |
| GM Global Technology Operations LLC | 16155 |
2 |
| Cummins Emission Solutions, Inc. | 580 |
2 |
| Ecospray Technologies S.r.l. | 25 |
2 |
| General Electric Technology GmbH | 1337 |
2 |
| Jaguar Land Rover Limited | 5095 |
2 |
| Suzuki Motor Corporation | 1367 |
2 |
| Yanmar Co., Ltd. | 1346 |
2 |
| Anhui Jianghuai Automobile Group Corp.,ltd. | 37 |
2 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2240 |
2 |
| Discovery Energy, LLC | 391 |
2 |
| Deere & Company | 8118 |
1 |
| Robert Bosch GmbH | 44176 |
1 |
| Carrier Corporation | 3951 |
1 |
| Other owners | 37 |