- 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: 2035
10-year publication summary
|
175
|
180
|
154
|
134
|
153
|
148
|
145
|
140
|
90
|
77
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4915 |
337 |
| Aktiebolaget SKF | 3130 |
327 |
| Schaeffler Technologies AG & Co. KG | 11003 |
274 |
| NSK Ltd. | 2832 |
151 |
| JTEKT Corporation | 2593 |
89 |
| The Timken Company | 321 |
27 |
| Nippon Thompson Co., Ltd. | 229 |
21 |
| Aktiebolaget SKF | 100 |
21 |
| ThyssenKrupp AG | 3399 |
20 |
| Minebea Mitsumi Inc. | 1945 |
19 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
16 |
| Liebherr-components Biberach GmbH | 225 |
15 |
| THK Co., Ltd. | 1194 |
15 |
| Pratt & Whitney Canada Corp. | 5506 |
14 |
| Koyo Bearings North America LLC | 61 |
14 |
| Harmonic Drive Systems Inc. | 480 |
13 |
| ThyssenKrupp Presta AG | 1109 |
13 |
| Rtx Corporation | 10128 |
12 |
| IMO Holding GmbH | 85 |
11 |
| Safran Aircraft Engines | 6704 |
11 |
| Other owners | 615 |