- 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 33/38 - Ball cages
Patent holdings for IPC class F16C 33/38
Total number of patents in this class: 656
10-year publication summary
|
66
|
55
|
39
|
51
|
42
|
30
|
42
|
46
|
36
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 10558 |
101 |
| NTN Corporation | 4940 |
101 |
| Aktiebolaget SKF | 3051 |
95 |
| JTEKT Corporation | 2548 |
41 |
| NSK Ltd. | 2822 |
41 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
18 |
| Schaeffler Group USA, Inc. | 309 |
11 |
| Schaeffler KG | 578 |
10 |
| THK Co., Ltd. | 1195 |
10 |
| Accuride International GmbH | 51 |
8 |
| Bowman International Limited | 27 |
7 |
| Regal Beloit America, Inc. | 856 |
6 |
| Gebr. Reinfurt GmbH & Co KG | 13 |
6 |
| ThyssenKrupp AG | 3402 |
5 |
| The Timken Company | 334 |
5 |
| Aktiebolaget SKF | 100 |
5 |
| C & U Company Limited | 22 |
5 |
| General Electric Company | 13777 |
4 |
| Accuride International Limited | 21 |
4 |
| Edwards Limited | 790 |
4 |
| Other owners | 169 |