- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01M - Lubricating of machines or engines in generallubricating internal-combustion enginescrankcase ventilating
- F01M 11/04 - Filling or draining lubricant of or from machines or engines
Patent holdings for IPC class F01M 11/04
Total number of patents in this class: 403
10-year publication summary
|
42
|
53
|
52
|
50
|
46
|
32
|
26
|
23
|
22
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Castrol Limited | 522 |
34 |
| RPM Industries, LLC | 77 |
23 |
| Safran Aircraft Engines | 6532 |
13 |
| Pratt & Whitney Canada Corp. | 5210 |
11 |
| Briggs & Stratton, LLC | 674 |
9 |
| Brunswick Corporation | 1453 |
7 |
| MAHLE International GmbH | 2879 |
7 |
| Honda Motor Co., Ltd. | 25858 |
6 |
| GM Global Technology Operations LLC | 15776 |
6 |
| Caterpillar Inc. | 10118 |
6 |
| Cummins Inc. | 2588 |
6 |
| K.j. Manufacturing Co. | 16 |
6 |
| Ford Global Technologies, LLC | 21263 |
5 |
| Perkins Engines Company Limited | 297 |
5 |
| Toyota Motor Corporation | 34545 |
4 |
| Hyundai Motor Company | 23688 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 15008 |
4 |
| Kia Motors Corporation | 7725 |
4 |
| ABB Schweiz AG | 7429 |
4 |
| RB Distribution, Inc. | 193 |
4 |
| Other owners | 235 |