- 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 3/32 - Arrangements for supply of additional air using air pumps
Patent holdings for IPC class F01N 3/32
Total number of patents in this class: 186
10-year publication summary
|
15
|
9
|
10
|
17
|
16
|
19
|
23
|
13
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44363 |
13 |
| Vitesco Technologies GmbH | 2397 |
10 |
| Ford Global Technologies, LLC | 21624 |
9 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12318 |
7 |
| Mercedes-Benz Group AG | 5621 |
7 |
| Toyota Motor Corporation | 36327 |
6 |
| Marelli Europe S.p.A. | 218 |
6 |
| Cummins Emission Solutions, Inc. | 587 |
5 |
| Volvo Truck Corporation | 3964 |
5 |
| PSA Automobiles SA | 2064 |
5 |
| GM Global Technology Operations LLC | 16237 |
4 |
| Audi AG | 7584 |
4 |
| RENAULT s.a.s. | 5377 |
4 |
| Tenneco Automotive Operating Company Inc. | 453 |
4 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2255 |
4 |
| Tennessee Propulsion Products, LLC | 31 |
4 |
| Nissan Motor Co., Ltd. | 13071 |
3 |
| Hyundai Motor Company | 25034 |
3 |
| Continental Automotive GmbH | 4417 |
3 |
| Cummins Inc. | 2659 |
3 |
| Other owners | 77 |