- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01M - Lubricating of machines or engines in generallubricating internal-combustion enginescrankcase ventilating
- F01M 13/02 - Crankcase ventilating or breathing by means of additional source of positive or negative pressure
Patent holdings for IPC class F01M 13/02
Total number of patents in this class: 372
10-year publication summary
|
46
|
44
|
33
|
40
|
16
|
14
|
13
|
21
|
26
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 21177 |
23 |
| MAHLE International GmbH | 2864 |
20 |
| Toyota Motor Corporation | 34214 |
19 |
| Bayerische Motoren Werke Aktiengesellschaft | 14931 |
18 |
| Honda Motor Co., Ltd. | 25802 |
11 |
| JCB Research | 30 |
9 |
| Aisan Kogyo Kabushiki Kaisha | 754 |
8 |
| ElringKlinger AG | 565 |
8 |
| FCA US LLC | 3339 |
6 |
| Cummins Filtration IP, Inc. | 774 |
6 |
| Kubota Corporation | 4170 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12560 |
6 |
| Solberg Mfg., Inc. | 12 |
6 |
| Vitesco Technologies GmbH | 2407 |
6 |
| Nissan Motor Co., Ltd. | 12726 |
5 |
| Hyundai Motor Company | 23400 |
5 |
| Cummins Filtration Inc. | 165 |
5 |
| Dayco IP Holdings, LLC | 277 |
5 |
| Parker Hannifin Manufacturing Limited | 50 |
5 |
| Volvo Truck Corporation | 3734 |
5 |
| Other owners | 190 |