- 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
|
11
|
8
|
5
|
5
|
5
|
3
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 21263 |
16 |
| MAHLE International GmbH | 2879 |
11 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2214 |
7 |
| MAHLE Metal Leve S/A | 155 |
6 |
| Caterpillar Inc. | 10118 |
5 |
| Honda Motor Co., Ltd. | 25858 |
4 |
| TPR Co., Ltd. | 166 |
4 |
| TPR Industry Co., Ltd. | 51 |
4 |
| Hans Jensen Lubricators A/S | 41 |
4 |
| Daimler AG | 2901 |
3 |
| Mazda Motor Corporation | 3271 |
3 |
| The George Washington University | 446 |
3 |
| Nippon Piston Ring Co., Ltd. | 136 |
3 |
| Nissan Motor Co., Ltd. | 12757 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 15008 |
2 |
| Daedong Industrial Co., Ltd. | 64 |
2 |
| Dalian University of Technology | 1572 |
2 |
| Doosan Infracore Co., Ltd. | 308 |
2 |
| Federal-Mogul Corporation | 261 |
2 |
| Federal-Mogul Powertrain LLC | 274 |
2 |
| Other owners | 44 |