- 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: 744
10-year publication summary
|
61
|
48
|
55
|
41
|
38
|
27
|
21
|
31
|
24
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3005 |
106 |
| NTN Corporation | 4973 |
92 |
| Schaeffler Technologies AG & Co. KG | 10297 |
68 |
| NSK Ltd. | 2807 |
47 |
| JTEKT Corporation | 2520 |
27 |
| Globeride, Inc. | 998 |
15 |
| Amsted Rail Company, Inc. | 437 |
14 |
| Rtx Corporation | 9556 |
10 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
9 |
| Schaeffler KG | 664 |
9 |
| Eagle Industry Co., Ltd. | 1143 |
8 |
| Nakanishi Metal Works Co., Ltd. | 120 |
8 |
| THK Co., Ltd. | 1191 |
8 |
| Nikon Metrology, NV | 66 |
7 |
| Caterpillar Inc. | 9706 |
7 |
| The Timken Company | 362 |
7 |
| Uchiyama Manufacturing Corp. | 128 |
7 |
| Halliburton Energy Services, Inc. | 21006 |
6 |
| Pratt & Whitney Canada Corp. | 4876 |
6 |
| Regal Beloit America, Inc. | 866 |
6 |
| Other owners | 277 |