- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02F - Cylinders, pistons, or casings for combustion enginesarrangements of sealings in combustion engines
- F02F 1/20 - Other cylinders characterised by constructional features providing for lubrication
Patent holdings for IPC class F02F 1/20
Total number of patents in this class: 131
10-year publication summary
|
16
|
12
|
8
|
5
|
5
|
5
|
3
|
2
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 21657 |
16 |
| MAHLE International GmbH | 2931 |
11 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2260 |
7 |
| MAHLE Metal Leve S/A | 156 |
6 |
| Caterpillar Inc. | 10364 |
5 |
| Honda Motor Co., Ltd. | 26684 |
4 |
| TPR Co., Ltd. | 174 |
4 |
| TPR Industry Co., Ltd. | 54 |
4 |
| Hans Jensen Lubricators A/S | 40 |
4 |
| Daimler AG | 2788 |
3 |
| Mazda Motor Corporation | 3326 |
3 |
| The George Washington University | 459 |
3 |
| Nippon Piston Ring Co., Ltd. | 136 |
3 |
| Nissan Motor Co., Ltd. | 13107 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 15535 |
2 |
| Daedong Industrial Co., Ltd. | 62 |
2 |
| Dalian University of Technology | 1614 |
2 |
| Doosan Infracore Co., Ltd. | 308 |
2 |
| Federal-Mogul Corporation | 231 |
2 |
| Federal-Mogul Powertrain LLC | 269 |
2 |
| Other owners | 44 |