- 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 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: 3951
10-year publication summary
328
|
379
|
365
|
433
|
361
|
307
|
239
|
213
|
150
|
49
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toyota Motor Corporation | 28582 |
206 |
Johnson Matthey Public Limited Company | 1852 |
202 |
BASF Corporation | 2039 |
191 |
Ford Global Technologies, LLC | 19702 |
166 |
Cataler Corporation | 533 |
163 |
Umicore AG & Co. KG | 867 |
134 |
Cummins Emission Solutions, Inc. | 480 |
99 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
97 |
Cummins Inc. | 2369 |
96 |
GM Global Technology Operations LLC | 13620 |
88 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
84 |
Caterpillar Inc. | 8877 |
78 |
Honda Motor Co., Ltd. | 24537 |
76 |
Hyundai Motor Company | 19021 |
69 |
Isuzu Motors Limited | 2158 |
68 |
N.E. Chemcat Corporation | 193 |
54 |
Kia Motors Corporation | 7946 |
44 |
Volkswagen AG | 6966 |
42 |
Nissan Motor Co., Ltd. | 12249 |
41 |
Tenneco Automotive Operating Company Inc. | 658 |
41 |
Other owners | 1912 |