- 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 33/34 - RollersNeedles
Patent holdings for IPC class F16C 33/34
Total number of patents in this class: 346
10-year publication summary
|
35
|
20
|
30
|
24
|
27
|
20
|
16
|
16
|
14
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4979 |
99 |
| Aktiebolaget SKF | 2999 |
41 |
| NSK Ltd. | 2799 |
23 |
| Schaeffler Technologies AG & Co. KG | 10056 |
22 |
| JTEKT Corporation | 2519 |
13 |
| Schaeffler KG | 680 |
11 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
8 |
| ThyssenKrupp AG | 3317 |
7 |
| General Electric Company | 13856 |
5 |
| Nippon Thompson Co., Ltd. | 220 |
5 |
| DeLaval Holding AB | 947 |
4 |
| THK Co., Ltd. | 1193 |
4 |
| thyssenkrupp rothe erde Germany GmbH | 49 |
4 |
| Caterpillar Inc. | 9659 |
3 |
| Harmonic Drive Systems Inc. | 475 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
3 |
| ThyssenKrupp Rothe Erde GmbH | 66 |
3 |
| The Timken Company | 362 |
3 |
| U.S. Tsubaki, Inc. | 10 |
3 |
| Quanta Machinery Co., Ltd. | 4 |
3 |
| Other owners | 79 |