- 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: 1687
10-year publication summary
|
126
|
137
|
132
|
127
|
108
|
108
|
105
|
119
|
93
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3053 |
285 |
| NTN Corporation | 4936 |
283 |
| Schaeffler Technologies AG & Co. KG | 10592 |
213 |
| NSK Ltd. | 2822 |
99 |
| NOK Corporation | 2267 |
83 |
| JTEKT Corporation | 2549 |
51 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
30 |
| Nakanishi Metal Works Co., Ltd. | 122 |
26 |
| Amsted Rail Company, Inc. | 429 |
24 |
| Uchiyama Manufacturing Corp. | 127 |
23 |
| Aktiebolaget SKF | 100 |
21 |
| Minebea Mitsumi Inc. | 1858 |
16 |
| ILJIN GLOBAL CO., LTD. a legal entity | 88 |
13 |
| IL Jin Global Co., Ltd. | 44 |
12 |
| NTN-SNR Roulements | 85 |
10 |
| ThyssenKrupp AG | 3426 |
10 |
| Audi AG | 7444 |
9 |
| Nippon Thompson Co., Ltd. | 223 |
9 |
| The Timken Company | 332 |
9 |
| Consolidated Metco, Inc. | 170 |
8 |
| Other owners | 453 |