- 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
|
32
|
29
|
43
|
32
|
23
|
26
|
11
|
14
|
9
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4969 |
66 |
| Schaeffler Technologies AG & Co. KG | 10322 |
36 |
| Aktiebolaget SKF | 3010 |
34 |
| Schaeffler KG | 654 |
24 |
| JTEKT Corporation | 2521 |
20 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
19 |
| NSK Ltd. | 2807 |
16 |
| The Timken Company | 361 |
11 |
| Nidec Motor Corporation | 523 |
7 |
| Roller Bearing Company of America, Inc. | 208 |
6 |
| ThyssenKrupp AG | 3336 |
4 |
| Element Six (UK) Limited | 221 |
3 |
| NTN-SNR Roulements | 85 |
2 |
| AB SKF | 154 |
2 |
| Cerobear GmbH | 8 |
2 |
| DeLaval Holding AB | 950 |
2 |
| Genesis Advanced Technology Inc. | 52 |
2 |
| Jarllytec Co., Ltd. | 64 |
2 |
| Leonardo S.p.A. | 674 |
2 |
| Regal Beloit America, Inc. | 864 |
2 |
| Other owners | 65 |