- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof
- F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
Patent holdings for IPC class F02M 37/22
Total number of patents in this class: 824
10-year publication summary
|
142
|
117
|
91
|
56
|
29
|
10
|
5
|
5
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 808 |
76 |
| MANN+HUMMEL GmbH | 1758 |
75 |
| Caterpillar Inc. | 9593 |
44 |
| MAHLE International GmbH | 2781 |
39 |
| Robert Bosch GmbH | 42721 |
37 |
| Aisan Kogyo Kabushiki Kaisha | 744 |
30 |
| Ufi Filters S.p.A. | 195 |
22 |
| HYDAC Filtertechnik GmbH | 296 |
21 |
| Scania CV AB | 2399 |
20 |
| Denso Corporation | 24372 |
19 |
| Nifco Inc. | 1104 |
17 |
| Kyosan Denki Co., Ltd. | 52 |
14 |
| Baldwin Filters, Inc. | 245 |
13 |
| Ford Global Technologies, LLC | 20668 |
12 |
| CLARCOR Engine Mobile Solutions, LLC | 16 |
10 |
| General Electric Company | 13806 |
9 |
| Saudi Arabian Oil Company | 13263 |
8 |
| Continental Automotive GmbH | 4774 |
7 |
| Honda Motor Co., Ltd. | 25335 |
5 |
| Toyota Motor Corporation | 32542 |
5 |
| Other owners | 341 |