- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16C - Shaftsflexible shaftsmechanical means for transmitting movement in a flexible sheathingelements of crankshaft mechanismspivotspivotal connectionsrotary engineering elements other than gearing, coupling, clutch or brake elementsbearings
- F16C 33/18 - Sliding surface consisting mainly of wood or fibrous material
Patent holdings for IPC class F16C 33/18
Total number of patents in this class: 47
10-year publication summary
|
6
|
4
|
5
|
2
|
3
|
2
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6865 |
5 |
| H.e.f. | 124 |
4 |
| Oiles Corporation | 508 |
4 |
| Aktiebolaget SKF | 2858 |
3 |
| Oceana Energy Company | 34 |
3 |
| Harima Chemicals, Inc. | 204 |
2 |
| Ohio University | 374 |
2 |
| SKF Aerospace France S.A.S. | 47 |
2 |
| Wobben Properties GmbH | 1212 |
2 |
| Minebea Mitsumi Inc. | 1636 |
2 |
| Osaka Research Institute of Industrial Science and Technology | 79 |
2 |
| NTN Corporation | 4978 |
1 |
| Bell Helicopter Textron Inc. | 1081 |
1 |
| Deutsches Zentrum fuer Luft- und Raumfahrt e.V. | 49 |
1 |
| Fawoo Engineering Co., Ltd. | 4 |
1 |
| Federal-Mogul Corporation | 335 |
1 |
| Igus GmbH | 513 |
1 |
| MAHLE International GmbH | 2702 |
1 |
| Miba Gleitlager Austria GmbH | 118 |
1 |
| MPL Innovations, Inc. | 8 |
1 |
| Other owners | 7 |