- 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 33/41 - Ball cages comb-shaped
Patent holdings for IPC class F16C 33/41
Total number of patents in this class: 282
10-year publication summary
|
19
|
13
|
17
|
19
|
24
|
20
|
39
|
31
|
18
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4925 |
78 |
| NSK Ltd. | 2840 |
47 |
| Aktiebolaget SKF | 3142 |
43 |
| JTEKT Corporation | 2605 |
29 |
| Schaeffler Technologies AG & Co. KG | 11093 |
20 |
| Minebea Mitsumi Inc. | 1968 |
8 |
| Seiko Instruments Inc. | 455 |
4 |
| Gebr. Reinfurt GmbH & Co KG | 14 |
4 |
| Aktiebolaget SKF | 100 |
4 |
| NTN-SNR Roulements | 84 |
3 |
| Nachi-Fujikoshi Corp. | 129 |
3 |
| Regal Beloit America, Inc. | 849 |
3 |
| The Timken Company | 318 |
3 |
| Ford Global Technologies, LLC | 21560 |
2 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
2 |
| Edwards Limited | 774 |
2 |
| Gebruder Reinfurt GmbH & Co. KG | 9 |
2 |
| Harmonic Drive Systems Inc. | 481 |
2 |
| ILJIN GLOBAL CO., LTD. a legal entity | 85 |
2 |
| Schaeffler KG | 442 |
2 |
| Other owners | 19 |