- 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: 55
10-year publication summary
|
5
|
7
|
7
|
5
|
7
|
2
|
1
|
4
|
0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Akrapovic d.d. | 22 |
6 |
| Faurecia Emissions Control Technologies, USA, LLC | 157 |
5 |
| Honda Motor Co., Ltd. | 26006 |
4 |
| GM Global Technology Operations LLC | 16087 |
4 |
| Ford Global Technologies, LLC | 21466 |
4 |
| Hyundai Motor Company | 24578 |
4 |
| Kia Motors Corporation | 7718 |
3 |
| Ferrari S.p.A. | 1780 |
3 |
| Tenneco Automotive Operating Company Inc. | 455 |
3 |
| Faurecia Systemes D'Echappement | 172 |
2 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 309 |
2 |
| Halliburton Energy Services, Inc. | 21306 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9099 |
1 |
| Mazda Motor Corporation | 3295 |
1 |
| Futaba Industrial Co., Ltd. | 363 |
1 |
| Inno2phi | 2 |
1 |
| Northwest Uld, Inc. | 11 |
1 |
| Sankei Giken Kogyo Co., Ltd. | 94 |
1 |
| Sejong Ind. Co., Ltd. | 17 |
1 |
| Sejong Industrial Co., Ltd. | 3 |
1 |
| Other owners | 6 |