- 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 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
Patent holdings for IPC class F16C 33/78
Total number of patents in this class: 1671
10-year publication summary
|
126
|
137
|
132
|
127
|
108
|
108
|
105
|
118
|
92
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3025 |
283 |
| NTN Corporation | 4952 |
276 |
| Schaeffler Technologies AG & Co. KG | 10418 |
212 |
| NSK Ltd. | 2817 |
99 |
| NOK Corporation | 2243 |
83 |
| JTEKT Corporation | 2530 |
51 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
30 |
| Nakanishi Metal Works Co., Ltd. | 120 |
26 |
| Amsted Rail Company, Inc. | 433 |
24 |
| Uchiyama Manufacturing Corp. | 128 |
23 |
| Aktiebolaget SKF | 100 |
21 |
| Minebea Mitsumi Inc. | 1818 |
16 |
| ILJIN GLOBAL CO., LTD. a legal entity | 90 |
13 |
| IL Jin Global Co., Ltd. | 42 |
11 |
| NTN-SNR Roulements | 85 |
10 |
| ThyssenKrupp AG | 3370 |
10 |
| Audi AG | 7408 |
9 |
| Nippon Thompson Co., Ltd. | 226 |
9 |
| The Timken Company | 357 |
9 |
| Globeride, Inc. | 1006 |
8 |
| Other owners | 448 |