- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01M - Lubricating of machines or engines in general; lubricating internal-combustion engines; crankcase ventilating
- F01M 11/03 - Component parts, details, or accessories, not provided for in, or of interest apart from, groups - Details of lubricant purifying means
Patent holdings for IPC class F01M 11/03
Total number of patents in this class: 508
10-year publication summary
|
42
|
41
|
57
|
71
|
46
|
47
|
33
|
29
|
33
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1682 |
37 |
| Cummins Filtration IP, Inc. | 812 |
24 |
| MAHLE International GmbH | 2670 |
24 |
| Honda Motor Co., Ltd. | 24537 |
22 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
14 |
| Kohler Co. | 4165 |
12 |
| Ufi Filters S.p.A. | 196 |
11 |
| Ford Global Technologies, LLC | 19702 |
10 |
| Caterpillar Inc. | 8877 |
9 |
| Neal Technologies, Inc. | 40 |
9 |
| Cummins Inc. | 2369 |
8 |
| Volvo Truck Corporation | 2764 |
8 |
| Pratt & Whitney Canada Corp. | 4215 |
7 |
| Scania CV AB | 2330 |
7 |
| DV Industries, LLC | 6 |
6 |
| Filtran LLC | 29 |
6 |
| RB Distribution, Inc. | 136 |
6 |
| Yanmar Power Technology Co., Ltd. | 599 |
6 |
| Rtx Corporation | 8674 |
6 |
| Daikyonishikawa Corporation | 43 |
5 |
| Other owners | 271 |