- 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 13/16 - Selection of particular materials
Patent holdings for IPC class F01N 13/16
Total number of patents in this class: 264
10-year publication summary
|
20
|
24
|
27
|
29
|
32
|
11
|
18
|
9
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ibiden Co., Ltd. | 1733 |
12 |
| NGK Insulators, Ltd. | 5103 |
11 |
| Faurecia Emissions Control Technologies, USA, LLC | 157 |
11 |
| Hyundai Motor Company | 22369 |
8 |
| Oiles Corporation | 517 |
8 |
| Johnson Matthey Public Limited Company | 1873 |
7 |
| E. I. du Pont de Nemours and Company | 3988 |
6 |
| Hitachi Metals, Ltd. | 1971 |
6 |
| Robert Bosch GmbH | 42815 |
6 |
| Vitesco Technologies GmbH | 2594 |
6 |
| Toyota Motor Corporation | 32956 |
5 |
| Emitec Gesellschaft für Emissionstechnologie mbH | 236 |
4 |
| Kia Motors Corporation | 7751 |
4 |
| BorgWarner Inc. | 2605 |
4 |
| Faurecia Systemes D'Echappement | 175 |
4 |
| Nichias Corporation | 393 |
4 |
| Nisshin Steel Co., Ltd. | 394 |
4 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 307 |
4 |
| BASF Corporation | 1719 |
3 |
| Ford Global Technologies, LLC | 20723 |
3 |
| Other owners | 144 |