- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01M - Lubricating of machines or engines in general; lubricating internal-combustion engines; crankcase 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: 342
10-year publication summary
|
44
|
37
|
46
|
46
|
33
|
40
|
16
|
14
|
12
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 19702 |
27 |
| MAHLE International GmbH | 2670 |
21 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
15 |
| Toyota Motor Corporation | 28582 |
14 |
| Honda Motor Co., Ltd. | 24537 |
11 |
| Dayco IP Holdings, LLC | 396 |
9 |
| MANN+HUMMEL GmbH | 1682 |
9 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
8 |
| ElringKlinger AG | 487 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
7 |
| FCA US LLC | 2755 |
6 |
| Cummins Filtration IP, Inc. | 812 |
6 |
| Vitesco Technologies GmbH | 2372 |
6 |
| Nissan Motor Co., Ltd. | 12249 |
5 |
| Kubota Corporation | 3054 |
5 |
| Parker Hannifin Manufacturing Limited | 51 |
5 |
| Volvo Truck Corporation | 2764 |
5 |
| Toyota Jidosha Kabushiki Kaisha | 983 |
5 |
| Hyundai Motor Company | 19021 |
4 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
4 |
| Other owners | 162 |