- 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 1/24 - Silencing apparatus characterised by method of silencing by using sound-absorbing materials
Patent holdings for IPC class F01N 1/24
Total number of patents in this class: 199
10-year publication summary
|
18
|
23
|
21
|
16
|
10
|
10
|
6
|
8
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OCV Intellectual Capital, LLC | 187 |
12 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 307 |
9 |
| Hyundai Motor Company | 21897 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12821 |
5 |
| So.la.is.- Societa' Lavorazione Isolanti - S.r.l. Con Unico Socio | 7 |
5 |
| Honda Motor Co., Ltd. | 25174 |
4 |
| Ibiden Co., Ltd. | 1703 |
4 |
| Owens Corning Intellectual Capital, LLC | 1632 |
4 |
| Tenneco Automotive Operating Company Inc. | 632 |
4 |
| GE Infrastructure Technology, LLC | 6212 |
4 |
| Carrier Corporation | 4354 |
3 |
| DBW Holding GmbH | 5 |
3 |
| Nabtesco Automotive Corporation | 128 |
3 |
| Novo Plastics Inc. | 8 |
3 |
| Yamaha Motor Power Products Kabushiki Kaisha | 57 |
3 |
| The Boeing Company | 20042 |
2 |
| Ford Global Technologies, LLC | 20520 |
2 |
| Caterpillar Inc. | 9530 |
2 |
| Cascade Engineering, Inc. | 28 |
2 |
| Cuylits Holding GmbH | 22 |
2 |
| Other owners | 118 |