- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01M - Lubricating of machines or engines in generallubricating internal-combustion enginescrankcase ventilating
- F01M 11/12 - Indicating devicesOther safety devices concerning lubricant level
Patent holdings for IPC class F01M 11/12
Total number of patents in this class: 203
10-year publication summary
|
19
|
28
|
21
|
18
|
20
|
18
|
13
|
13
|
10
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5506 |
10 |
| Hyundai Motor Company | 24703 |
7 |
| Safran Aircraft Engines | 6704 |
7 |
| Honda Motor Co., Ltd. | 26034 |
6 |
| GM Global Technology Operations LLC | 16155 |
6 |
| Hella KGaA Hueck & Co. | 322 |
6 |
| Caterpillar Inc. | 10281 |
5 |
| Ford Global Technologies, LLC | 21524 |
4 |
| Nissan Motor Co., Ltd. | 12966 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 15289 |
4 |
| Isuzu Motors Limited | 2323 |
4 |
| Safran Aero Boosters SA | 185 |
4 |
| Discovery Energy, LLC | 391 |
4 |
| Toyota Motor Corporation | 35813 |
3 |
| Denso Corporation | 25579 |
3 |
| Kia Motors Corporation | 7718 |
3 |
| Arctic Cat Inc. | 472 |
3 |
| Brunswick Corporation | 1481 |
3 |
| Luneta, LLC | 15 |
3 |
| Briggs & Stratton, LLC | 686 |
3 |
| Other owners | 111 |