- 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: 376
10-year publication summary
|
35
|
48
|
57
|
53
|
51
|
54
|
31
|
27
|
22
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Castrol Limited | 522 |
34 |
| RPM Industries, LLC | 68 |
20 |
| Safran Aircraft Engines | 6200 |
11 |
| Pratt & Whitney Canada Corp. | 4496 |
10 |
| Brunswick Corporation | 1327 |
7 |
| K.j. Manufacturing Co. | 19 |
7 |
| MAHLE International GmbH | 2730 |
7 |
| Briggs & Stratton, LLC | 664 |
7 |
| Honda Motor Co., Ltd. | 25118 |
6 |
| GM Global Technology Operations LLC | 14778 |
6 |
| Caterpillar Inc. | 9397 |
6 |
| Cummins Inc. | 2542 |
6 |
| Ford Global Technologies, LLC | 20355 |
5 |
| Perkins Engines Company Limited | 291 |
5 |
| Hyundai Motor Company | 21349 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 14198 |
4 |
| Kia Motors Corporation | 7763 |
4 |
| ABB Schweiz AG | 6851 |
4 |
| Innio Jenbacher GmbH & Co og | 258 |
4 |
| Tdnt Enterprise Inc. | 4 |
4 |
| Other owners | 215 |