- 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 33/58 - RacewaysRace rings
Patent holdings for IPC class F16C 33/58
Total number of patents in this class: 1979
10-year publication summary
|
170
|
179
|
152
|
131
|
152
|
147
|
143
|
134
|
85
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4952 |
330 |
| Aktiebolaget SKF | 3025 |
300 |
| Schaeffler Technologies AG & Co. KG | 10418 |
261 |
| NSK Ltd. | 2817 |
153 |
| JTEKT Corporation | 2530 |
88 |
| The Timken Company | 357 |
27 |
| Nippon Thompson Co., Ltd. | 226 |
21 |
| Aktiebolaget SKF | 100 |
20 |
| ThyssenKrupp AG | 3370 |
19 |
| Minebea Mitsumi Inc. | 1818 |
17 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
16 |
| Schaeffler KG | 616 |
16 |
| THK Co., Ltd. | 1189 |
16 |
| Liebherr-components Biberach GmbH | 223 |
15 |
| Koyo Bearings North America LLC | 61 |
14 |
| Pratt & Whitney Canada Corp. | 4973 |
13 |
| Harmonic Drive Systems Inc. | 477 |
13 |
| ThyssenKrupp Presta AG | 1100 |
13 |
| Rtx Corporation | 9635 |
12 |
| IMO Holding GmbH | 84 |
11 |
| Other owners | 604 |