- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; gas-flow silencers or exhaust apparatus for internal-combustion engines
- F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
Patent holdings for IPC class F01N 13/00
Total number of patents in this class: 2395
10-year publication summary
|
305
|
302
|
321
|
319
|
303
|
217
|
163
|
159
|
107
|
40
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
109 |
| Ford Global Technologies, LLC | 19702 |
101 |
| Cummins Emission Solutions, Inc. | 480 |
77 |
| Honda Motor Co., Ltd. | 24537 |
74 |
| Johnson Matthey Public Limited Company | 1852 |
57 |
| Cummins Inc. | 2369 |
54 |
| Hyundai Motor Company | 19021 |
48 |
| Caterpillar Inc. | 8877 |
45 |
| Scania CV AB | 2330 |
44 |
| Yanmar Power Technology Co., Ltd. | 599 |
44 |
| Vitesco Technologies GmbH | 2372 |
43 |
| Robert Bosch GmbH | 40953 |
39 |
| Isuzu Motors Limited | 2158 |
37 |
| Umicore AG & Co. KG | 867 |
37 |
| Volvo Truck Corporation | 2764 |
37 |
| GM Global Technology Operations LLC | 13620 |
33 |
| Brunswick Corporation | 1271 |
32 |
| Perkins Engines Company Limited | 279 |
31 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
30 |
| Volkswagen AG | 6966 |
30 |
| Other owners | 1393 |