- 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 13/14 - Exhaust or silencing apparatus characterised by constructional features having thermal insulation
Patent holdings for IPC class F01N 13/14
Total number of patents in this class: 554
10-year publication summary
|
56
|
56
|
58
|
48
|
69
|
37
|
36
|
26
|
14
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
21 |
| 3m Innovative Properties Company | 18406 |
17 |
| Cummins Emission Solutions, Inc. | 480 |
16 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 288 |
16 |
| Faurecia Emissions Control Technologies, USA, LLC | 157 |
15 |
| Faurecia Systemes D'Echappement | 222 |
14 |
| Toyota Motor Corporation | 28582 |
13 |
| ElringKlinger AG | 487 |
13 |
| Nichias Corporation | 386 |
13 |
| Perkins Engines Company Limited | 279 |
12 |
| Caterpillar Inc. | 8877 |
10 |
| NGK Insulators, Ltd. | 4589 |
10 |
| Futaba Industrial Co., Ltd. | 296 |
10 |
| Tenneco Automotive Operating Company Inc. | 658 |
10 |
| Ibiden Co., Ltd. | 1724 |
9 |
| Hyundai Motor Company | 19021 |
8 |
| Nelson Global Products, Inc. | 25 |
8 |
| RENAULT s.a.s. | 5674 |
8 |
| Tenneco GmbH | 117 |
8 |
| Ford Global Technologies, LLC | 19702 |
6 |
| Other owners | 317 |