- 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: 407
10-year publication summary
|
48
|
57
|
53
|
51
|
54
|
32
|
29
|
24
|
28
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Castrol Limited | 513 |
34 |
| RPM Industries, LLC | 80 |
23 |
| Safran Aircraft Engines | 6727 |
13 |
| Pratt & Whitney Canada Corp. | 5517 |
11 |
| Briggs & Stratton, LLC | 687 |
9 |
| Brunswick Corporation | 1488 |
7 |
| MAHLE International GmbH | 2920 |
7 |
| Honda Motor Co., Ltd. | 26105 |
6 |
| GM Global Technology Operations LLC | 16188 |
6 |
| Ford Global Technologies, LLC | 21560 |
6 |
| Caterpillar Inc. | 10280 |
6 |
| Cummins Inc. | 2641 |
6 |
| K.j. Manufacturing Co. | 16 |
6 |
| Perkins Engines Company Limited | 304 |
5 |
| Toyota Motor Corporation | 35927 |
4 |
| Hyundai Motor Company | 24808 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 15373 |
4 |
| Kia Motors Corporation | 7718 |
4 |
| ABB Schweiz AG | 7665 |
4 |
| RB Distribution, Inc. | 199 |
4 |
| Other owners | 238 |