- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02F - Cylinders, pistons, or casings for combustion engines; arrangements 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: 133
10-year publication summary
|
16
|
16
|
12
|
8
|
5
|
5
|
5
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 20057 |
16 |
| MAHLE International GmbH | 2690 |
11 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2076 |
7 |
| MAHLE Metal Leve S/A | 158 |
6 |
| Honda Motor Co., Ltd. | 24865 |
4 |
| Caterpillar Inc. | 9149 |
4 |
| TPR Co., Ltd. | 151 |
4 |
| TPR Industry Co., Ltd. | 47 |
4 |
| Hans Jensen Lubricators A/S | 41 |
4 |
| Daimler AG | 3418 |
3 |
| Mazda Motor Corporation | 3069 |
3 |
| The George Washington University | 424 |
3 |
| Nippon Piston Ring Co., Ltd. | 133 |
3 |
| Nissan Motor Co., Ltd. | 12332 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 13830 |
2 |
| Achates Power, Inc. | 208 |
2 |
| Daedong Industrial Co., Ltd. | 66 |
2 |
| Dalian University of Technology | 1448 |
2 |
| Doosan Infracore Co., Ltd. | 309 |
2 |
| Federal-Mogul Corporation | 336 |
2 |
| Other owners | 47 |