- 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 33/36 - RollersNeedles with bearing-surfaces other than cylindrical, e.g. taperedRollersNeedles with grooves in the bearing surfaces
Patent holdings for IPC class F16C 33/36
Total number of patents in this class: 327
10-year publication summary
|
33
|
30
|
43
|
32
|
23
|
28
|
11
|
14
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4980 |
68 |
| Schaeffler Technologies AG & Co. KG | 9802 |
35 |
| Aktiebolaget SKF | 2931 |
34 |
| Schaeffler KG | 738 |
25 |
| JTEKT Corporation | 2492 |
20 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
19 |
| NSK Ltd. | 2764 |
16 |
| The Timken Company | 373 |
11 |
| Nidec Motor Corporation | 525 |
7 |
| Roller Bearing Company of America, Inc. | 207 |
6 |
| ThyssenKrupp AG | 3273 |
4 |
| NTN-SNR Roulements | 85 |
2 |
| AB SKF | 159 |
2 |
| Cerobear GmbH | 8 |
2 |
| DeLaval Holding AB | 941 |
2 |
| Genesis Advanced Technology Inc. | 51 |
2 |
| Jarllytec Co., Ltd. | 64 |
2 |
| Leonardo S.p.A. | 660 |
2 |
| Regal Beloit America, Inc. | 867 |
2 |
| SKF Aerospace France S.A.S. | 50 |
2 |
| Other owners | 64 |