- 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 3/10 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
Patent holdings for IPC class F01N 3/10
Total number of patents in this class: 4028
10-year publication summary
|
368
|
363
|
427
|
355
|
305
|
239
|
214
|
153
|
156
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1876 |
225 |
| Toyota Motor Corporation | 33077 |
190 |
| Cataler Corporation | 577 |
167 |
| Ford Global Technologies, LLC | 20769 |
154 |
| Umicore AG & Co. KG | 863 |
138 |
| BASF Mobile Emissions Catalysts LLC | 411 |
113 |
| Cummins Emission Solutions, Inc. | 549 |
105 |
| Cummins Inc. | 2613 |
102 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12741 |
93 |
| BASF Corporation | 1716 |
92 |
| Mitsui Mining & Smelting Co., Ltd. | 1512 |
91 |
| GM Global Technology Operations LLC | 15220 |
85 |
| Caterpillar Inc. | 9659 |
81 |
| Honda Motor Co., Ltd. | 25776 |
74 |
| Hyundai Motor Company | 22484 |
69 |
| Isuzu Motors Limited | 2265 |
67 |
| Vitesco Technologies GmbH | 2593 |
56 |
| N.E. Chemcat Corporation | 189 |
53 |
| Robert Bosch GmbH | 42861 |
45 |
| Kia Motors Corporation | 7749 |
43 |
| Other owners | 1985 |