- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01M - Lubricating of machines or engines in generallubricating internal-combustion enginescrankcase ventilating
- F01M 13/04 - Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
Patent holdings for IPC class F01M 13/04
Total number of patents in this class: 1060
10-year publication summary
|
93
|
114
|
103
|
105
|
74
|
61
|
43
|
63
|
51
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atmus Filtration IP Inc. | 273 |
54 |
| Cummins Filtration IP, Inc. | 590 |
39 |
| Honda Motor Co., Ltd. | 26025 |
35 |
| Alfdex AB | 65 |
29 |
| Tokyo ROKI Co., Ltd. | 69 |
28 |
| Toyota Motor Corporation | 35772 |
25 |
| Ford Global Technologies, LLC | 21509 |
23 |
| Alfa Laval Corporate AB | 1337 |
23 |
| MAHLE International GmbH | 2911 |
23 |
| Kubota Corporation | 4391 |
22 |
| MANN+HUMMEL GmbH | 1808 |
21 |
| Donaldson Company, Inc. | 1600 |
19 |
| Nifco Inc. | 1099 |
19 |
| Reinz-Dichtungs-GmbH | 282 |
19 |
| ThyssenKrupp Presta Teccenter AG | 227 |
19 |
| Isuzu Motors Limited | 2323 |
18 |
| Ufi Filters S.p.A. | 193 |
18 |
| Hengst SE | 181 |
17 |
| Caterpillar Inc. | 10267 |
16 |
| Bayerische Motoren Werke Aktiengesellschaft | 15272 |
16 |
| Other owners | 577 |