- 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 33/72 - Sealings
Patent holdings for IPC class F16C 33/72
Total number of patents in this class: 345
10-year publication summary
|
27
|
27
|
41
|
29
|
23
|
18
|
22
|
8
|
16
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3009 |
43 |
| Schaeffler Technologies AG & Co. KG | 10310 |
29 |
| NTN Corporation | 4970 |
18 |
| Aktiebolaget SKF | 99 |
13 |
| NSK Ltd. | 2808 |
10 |
| Rtx Corporation | 9568 |
9 |
| Nakanishi Metal Works Co., Ltd. | 120 |
8 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
7 |
| Eagle Industry Co., Ltd. | 1145 |
7 |
| Consolidated Metco, Inc. | 170 |
5 |
| NOK Corporation | 2237 |
5 |
| Evapco, Inc. | 294 |
4 |
| New Way Machine Components, Inc. | 38 |
4 |
| Nippon Thompson Co., Ltd. | 223 |
4 |
| GE Precision Healthcare LLC | 5543 |
4 |
| Dodge Industrial, Inc. | 134 |
4 |
| Pratt & Whitney Canada Corp. | 4880 |
3 |
| AES Engineering Ltd. | 86 |
3 |
| Amsted Rail Company, Inc. | 432 |
3 |
| Hantover, Inc. | 69 |
3 |
| Other owners | 159 |