- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01M - Lubricating of machines or engines in general; lubricating internal-combustion engines; crankcase ventilating
- F01M 13/00 - Crankcase ventilating or breathing
Patent holdings for IPC class F01M 13/00
Total number of patents in this class: 683
10-year publication summary
|
81
|
75
|
80
|
74
|
75
|
69
|
39
|
38
|
28
|
10
|
| 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 |
53 |
| Honda Motor Co., Ltd. | 24537 |
38 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
25 |
| Cummins Filtration IP, Inc. | 812 |
24 |
| Toyota Motor Corporation | 28582 |
22 |
| MANN+HUMMEL GmbH | 1682 |
21 |
| Kubota Corporation | 3054 |
18 |
| Isuzu Motors Limited | 2158 |
15 |
| Nissan Motor Co., Ltd. | 12249 |
13 |
| MAHLE International GmbH | 2670 |
13 |
| Nifco Inc. | 1103 |
13 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
12 |
| GM Global Technology Operations LLC | 13620 |
11 |
| Hyundai Motor Company | 19021 |
11 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
11 |
| Yanmar Power Technology Co., Ltd. | 599 |
11 |
| Suzuki Motor Corporation | 1266 |
10 |
| Vitesco Technologies GmbH | 2372 |
10 |
| Denso Corporation | 23338 |
9 |
| Reinz-Dichtungs-GmbH | 245 |
9 |
| Other owners | 334 |