- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01M - Lubricating of machines or engines in generallubricating internal-combustion enginescrankcase ventilating
- F01M 1/12 - Closed-circuit lubricating systems not provided for in groups
Patent holdings for IPC class F01M 1/12
Total number of patents in this class: 161
10-year publication summary
|
18
|
15
|
13
|
16
|
6
|
10
|
7
|
11
|
7
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
11 |
| Honda Motor Co., Ltd. | 26025 |
9 |
| RPM Industries, LLC | 80 |
8 |
| Toyota Motor Corporation | 35772 |
7 |
| Yamaha Motor Co., Ltd. | 2839 |
6 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
6 |
| General Electric Company | 13899 |
5 |
| ZF Friedrichshafen AG | 7238 |
5 |
| Arctic Cat Inc. | 472 |
5 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
5 |
| Safran Aircraft Engines | 6694 |
4 |
| Briggs & Stratton, LLC | 685 |
4 |
| Ford Global Technologies, LLC | 21509 |
3 |
| Caterpillar Inc. | 10267 |
3 |
| Hyundai Motor Company | 24653 |
3 |
| Vitesco Technologies GmbH | 2397 |
3 |
| Pratt & Whitney Canada Corp. | 5479 |
2 |
| GM Global Technology Operations LLC | 16124 |
2 |
| Denso Corporation | 25534 |
2 |
| Schaeffler Technologies AG & Co. KG | 10968 |
2 |
| Other owners | 66 |