- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof
- F02M 31/20 - Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
Patent holdings for IPC class F02M 31/20
Total number of patents in this class: 253
10-year publication summary
|
34
|
23
|
29
|
26
|
13
|
30
|
23
|
15
|
12
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 20605 |
19 |
| Pratt & Whitney Canada Corp. | 4765 |
16 |
| Caterpillar Inc. | 9558 |
9 |
| GM Global Technology Operations LLC | 15088 |
6 |
| Denso Corporation | 24334 |
6 |
| Hyundai Motor Company | 22044 |
6 |
| Toyota Motor Corporation | 32331 |
5 |
| Robert Bosch GmbH | 42677 |
5 |
| Cummins Inc. | 2590 |
5 |
| Dana Canada Corporation | 273 |
5 |
| Deere & Company | 7619 |
4 |
| Daewoo Shipbuilding & Marine Engineering Co., Ltd. | 233 |
4 |
| DGC Industries Pty Ltd | 5 |
4 |
| Liebherr Machines Bulle SA | 49 |
4 |
| MAHLE International GmbH | 2777 |
4 |
| Saudi Arabian Oil Company | 13206 |
4 |
| Valeo Systemes Thermiques | 2732 |
4 |
| Mazda Motor Corporation | 3141 |
3 |
| RENAULT s.a.s. | 5462 |
3 |
| Tribine Industries LLC | 38 |
3 |
| Other owners | 134 |