- 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: 201
10-year publication summary
|
23
|
16
|
15
|
10
|
10
|
5
|
8
|
9
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OCV Intellectual Capital, LLC | 159 |
12 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 313 |
9 |
| Hyundai Motor Company | 23540 |
5 |
| So.la.is.- Societa' Lavorazione Isolanti - S.r.l. Con Unico Socio | 7 |
5 |
| Honda Motor Co., Ltd. | 25846 |
4 |
| Ibiden Co., Ltd. | 1681 |
4 |
| Novo Plastics Inc. | 9 |
4 |
| Owens Corning Intellectual Capital, LLC | 1637 |
4 |
| GE Infrastructure Technology, LLC | 6214 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12524 |
4 |
| Tenneco Automotive Operating Company LLC | 198 |
4 |
| Pratt & Whitney Canada Corp. | 5203 |
3 |
| Caterpillar Inc. | 10067 |
3 |
| Carrier Corporation | 3972 |
3 |
| DBW Holding GmbH | 5 |
3 |
| Nabtesco Automotive Corporation | 128 |
3 |
| The University of Adelaide | 171 |
3 |
| The Boeing Company | 20102 |
2 |
| Ford Global Technologies, LLC | 21230 |
2 |
| Cascade Engineering, Inc. | 29 |
2 |
| Other owners | 118 |