- 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: 357
10-year publication summary
37
|
46
|
46
|
33
|
40
|
16
|
14
|
14
|
21
|
18
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ford Global Technologies, LLC | 20520 |
23 |
MAHLE International GmbH | 2761 |
21 |
Bayerische Motoren Werke Aktiengesellschaft | 14278 |
17 |
Toyota Motor Corporation | 31819 |
15 |
Honda Motor Co., Ltd. | 25174 |
11 |
Aisan Kogyo Kabushiki Kaisha | 741 |
8 |
ElringKlinger AG | 535 |
8 |
JCB Research | 25 |
7 |
FCA US LLC | 3082 |
6 |
Cummins Filtration IP, Inc. | 807 |
6 |
Kubota Corporation | 3883 |
6 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12821 |
6 |
Vitesco Technologies GmbH | 2605 |
6 |
Nissan Motor Co., Ltd. | 12458 |
5 |
Hyundai Motor Company | 21897 |
5 |
Dayco IP Holdings, LLC | 289 |
5 |
Parker Hannifin Manufacturing Limited | 50 |
5 |
Volvo Truck Corporation | 3381 |
5 |
Toyota Jidosha Kabushiki Kaisha | 892 |
5 |
Moldtecs-01-2022 GmbH | 24 |
5 |
Other owners | 182 |