- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01M - Lubricating of machines or engines in general; lubricating internal-combustion engines; crankcase ventilating
- F01M 11/12 - Indicating devices; Other safety devices concerning lubricant level
Patent holdings for IPC class F01M 11/12
Total number of patents in this class: 190
10-year publication summary
|
16
|
10
|
19
|
28
|
21
|
18
|
20
|
18
|
13
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
9 |
| Pratt & Whitney Canada Corp. | 4215 |
8 |
| GM Global Technology Operations LLC | 13620 |
7 |
| Safran Aircraft Engines | 5739 |
7 |
| Hyundai Motor Company | 19021 |
6 |
| Hella KGaA Hueck & Co. | 362 |
6 |
| Kohler Co. | 4165 |
4 |
| Ford Global Technologies, LLC | 19702 |
4 |
| Nissan Motor Co., Ltd. | 12249 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
4 |
| Isuzu Motors Limited | 2158 |
4 |
| Safran Aero Boosters SA | 180 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
4 |
| Toyota Motor Corporation | 28582 |
3 |
| Denso Corporation | 23338 |
3 |
| Caterpillar Inc. | 8877 |
3 |
| Kia Motors Corporation | 7946 |
3 |
| Brunswick Corporation | 1271 |
3 |
| Castrol Limited | 520 |
3 |
| Luneta, LLC | 15 |
3 |
| Other owners | 98 |