- 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 21/00 - Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
Patent holdings for IPC class F16C 21/00
Total number of patents in this class: 199
10-year publication summary
|
22
|
24
|
23
|
16
|
17
|
6
|
7
|
8
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 2924 |
12 |
| Schaeffler Technologies AG & Co. KG | 9771 |
9 |
| ThyssenKrupp AG | 3271 |
6 |
| Robert Bosch GmbH | 42505 |
5 |
| NSK Ltd. | 2767 |
5 |
| Itrec B.V. | 501 |
5 |
| ThyssenKrupp Rothe Erde GmbH | 66 |
5 |
| JTEKT Corporation | 2490 |
4 |
| Daimler AG | 3403 |
3 |
| Mazda Motor Corporation | 3122 |
3 |
| IHI Corporation | 3413 |
3 |
| Leitner S.p.A. | 83 |
3 |
| Roller Bearing Company of America, Inc. | 207 |
3 |
| Scientific Drilling International, Inc. | 167 |
3 |
| THK Co., Ltd. | 1201 |
3 |
| GE Infrastructure Technology, LLC | 6196 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
2 |
| Rolls-Royce PLC | 3072 |
2 |
| AREVA Wind GmbH | 31 |
2 |
| E. Winkemann GmbH | 4 |
2 |
| Other owners | 116 |