- 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: 198
10-year publication summary
|
17
|
28
|
18
|
17
|
20
|
17
|
13
|
12
|
9
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5050 |
9 |
| Honda Motor Co., Ltd. | 25764 |
7 |
| Hyundai Motor Company | 23166 |
7 |
| Safran Aircraft Engines | 6461 |
7 |
| GM Global Technology Operations LLC | 15564 |
6 |
| Hella KGaA Hueck & Co. | 326 |
6 |
| Ford Global Technologies, LLC | 21058 |
4 |
| Nissan Motor Co., Ltd. | 12676 |
4 |
| Caterpillar Inc. | 9983 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 14855 |
4 |
| Isuzu Motors Limited | 2278 |
4 |
| Safran Aero Boosters SA | 184 |
4 |
| Discovery Energy, LLC | 382 |
4 |
| Toyota Motor Corporation | 33893 |
3 |
| Denso Corporation | 24965 |
3 |
| Kia Motors Corporation | 7740 |
3 |
| Brunswick Corporation | 1423 |
3 |
| Luneta, LLC | 15 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12626 |
3 |
| Briggs & Stratton, LLC | 685 |
3 |
| Other owners | 107 |