- 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 1/18 - Silencing apparatus characterised by method of silencing by using movable parts having rotary movement
Patent holdings for IPC class F01N 1/18
Total number of patents in this class: 57
10-year publication summary
|
5
|
7
|
7
|
4
|
7
|
2
|
1
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Akrapovic d.d. | 19 |
6 |
| Faurecia Emissions Control Technologies, USA, LLC | 157 |
5 |
| Honda Motor Co., Ltd. | 25858 |
4 |
| GM Global Technology Operations LLC | 15776 |
4 |
| Ford Global Technologies, LLC | 21263 |
4 |
| Hyundai Motor Company | 23688 |
4 |
| Kia Motors Corporation | 7725 |
3 |
| Ferrari S.p.A. | 1699 |
3 |
| Tenneco Automotive Operating Company Inc. | 458 |
3 |
| Emcon Technologies Germany (augsburg) GmbH | 49 |
2 |
| Faurecia Systemes D'Echappement | 173 |
2 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 311 |
2 |
| Halliburton Energy Services, Inc. | 21169 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9016 |
1 |
| Mazda Motor Corporation | 3271 |
1 |
| Futaba Industrial Co., Ltd. | 356 |
1 |
| Inno2phi | 2 |
1 |
| Northwest Uld, Inc. | 11 |
1 |
| Sankei Giken Kogyo Co., Ltd. | 93 |
1 |
| Sejong Ind. Co., Ltd. | 17 |
1 |
| Other owners | 7 |