- 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: 750
10-year publication summary
|
48
|
55
|
41
|
38
|
27
|
21
|
31
|
24
|
19
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3023 |
108 |
| NTN Corporation | 4949 |
92 |
| Schaeffler Technologies AG & Co. KG | 10430 |
68 |
| NSK Ltd. | 2819 |
48 |
| JTEKT Corporation | 2531 |
27 |
| Globeride, Inc. | 1007 |
15 |
| Amsted Rail Company, Inc. | 434 |
14 |
| Rtx Corporation | 9646 |
10 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
9 |
| Schaeffler KG | 616 |
9 |
| Eagle Industry Co., Ltd. | 1152 |
8 |
| Nakanishi Metal Works Co., Ltd. | 120 |
8 |
| THK Co., Ltd. | 1189 |
8 |
| Nikon Metrology, NV | 66 |
7 |
| Caterpillar Inc. | 9886 |
7 |
| The Timken Company | 357 |
7 |
| Uchiyama Manufacturing Corp. | 128 |
7 |
| Halliburton Energy Services, Inc. | 21124 |
6 |
| Pratt & Whitney Canada Corp. | 4983 |
6 |
| Regal Beloit America, Inc. | 867 |
6 |
| Other owners | 280 |