- 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: 513
10-year publication summary
41
|
57
|
71
|
46
|
48
|
34
|
31
|
33
|
24
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
MANN+HUMMEL GmbH | 1726 |
38 |
Cummins Filtration IP, Inc. | 807 |
24 |
Honda Motor Co., Ltd. | 24866 |
22 |
MAHLE International GmbH | 2705 |
22 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
13 |
Ufi Filters S.p.A. | 198 |
11 |
Ford Global Technologies, LLC | 20070 |
10 |
Discovery Energy, LLC | 380 |
10 |
Caterpillar Inc. | 9166 |
9 |
Cummins Inc. | 2474 |
9 |
Neal Technologies, Inc. | 44 |
9 |
Pratt & Whitney Canada Corp. | 4442 |
8 |
Volvo Truck Corporation | 3106 |
8 |
Scania CV AB | 2378 |
7 |
Yanmar Power Technology Co., Ltd. | 572 |
7 |
DV Industries, LLC | 6 |
6 |
Filtran LLC | 29 |
6 |
RB Distribution, Inc. | 153 |
6 |
Rtx Corporation | 9109 |
6 |
Daikyonishikawa Corporation | 43 |
5 |
Other owners | 277 |