- 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
|
30
|
43
|
32
|
23
|
28
|
11
|
15
|
8
|
7
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4914 |
67 |
| Schaeffler Technologies AG & Co. KG | 10968 |
38 |
| Aktiebolaget SKF | 3128 |
33 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
19 |
| JTEKT Corporation | 2583 |
18 |
| Schaeffler KG | 458 |
18 |
| NSK Ltd. | 2834 |
16 |
| The Timken Company | 321 |
12 |
| Nidec Motor Corporation | 528 |
7 |
| Roller Bearing Company of America, Inc. | 213 |
6 |
| ThyssenKrupp AG | 3409 |
4 |
| Skydio, Inc. | 519 |
3 |
| Element Six (UK) Limited | 236 |
3 |
| NTN-SNR Roulements | 84 |
2 |
| AB SKF | 130 |
2 |
| Cerobear GmbH | 8 |
2 |
| DeLaval Holding AB | 969 |
2 |
| Genesis Advanced Technology Inc. | 50 |
2 |
| Jarllytec Co., Ltd. | 63 |
2 |
| Leonardo S.p.A. | 699 |
2 |
| Other owners | 69 |