- 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 1/08 - Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
Patent holdings for IPC class F01N 1/08
Total number of patents in this class: 542
10-year publication summary
|
55
|
50
|
66
|
35
|
42
|
31
|
24
|
20
|
21
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 26034 |
45 |
| Futaba Industrial Co., Ltd. | 366 |
23 |
| Hyundai Motor Company | 24703 |
22 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 309 |
18 |
| Tenneco Automotive Operating Company Inc. | 455 |
16 |
| Ford Global Technologies, LLC | 21524 |
13 |
| Tenneco Automotive Operating Company LLC | 201 |
11 |
| Suzuki Motor Corporation | 1367 |
10 |
| Kia Motors Corporation | 7718 |
9 |
| Kawasaki Motors, Ltd. | 1526 |
7 |
| Caterpillar Inc. | 10281 |
6 |
| Yamaha Motor Co., Ltd. | 2844 |
6 |
| Faurecia Systemes D'Echappement | 172 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12378 |
6 |
| Discovery Energy, LLC | 391 |
6 |
| Honeywell International Inc. | 12772 |
5 |
| Perkins Engines Company Limited | 302 |
5 |
| Cummins Emission Solutions, Inc. | 580 |
5 |
| Piaggio & C. S.p.A. | 1259 |
5 |
| Sankei Giken Kogyo Co., Ltd. | 94 |
5 |
| Other owners | 313 |