- 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 33/76 - Sealings of ball or roller bearings
Patent holdings for IPC class F16C 33/76
Total number of patents in this class: 752
10-year publication summary
|
50
|
56
|
45
|
41
|
27
|
21
|
34
|
24
|
22
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3082 |
110 |
| NTN Corporation | 4937 |
91 |
| Schaeffler Technologies AG & Co. KG | 10725 |
68 |
| NSK Ltd. | 2826 |
48 |
| JTEKT Corporation | 2557 |
27 |
| Globeride, Inc. | 1032 |
15 |
| Amsted Rail Company, Inc. | 429 |
14 |
| Rtx Corporation | 9885 |
10 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
9 |
| Uchiyama Manufacturing Corp. | 131 |
9 |
| Eagle Industry Co., Ltd. | 1168 |
8 |
| Nakanishi Metal Works Co., Ltd. | 125 |
8 |
| THK Co., Ltd. | 1186 |
8 |
| Nikon Metrology, NV | 65 |
7 |
| Caterpillar Inc. | 10151 |
7 |
| Schaeffler KG | 542 |
7 |
| The Timken Company | 326 |
7 |
| Halliburton Energy Services, Inc. | 21217 |
6 |
| Pratt & Whitney Canada Corp. | 5226 |
6 |
| Tsinghua University | 6112 |
5 |
| Other owners | 282 |