- 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: 356
10-year publication summary
|
29
|
43
|
32
|
25
|
18
|
24
|
10
|
16
|
17
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3156 |
45 |
| Schaeffler Technologies AG & Co. KG | 11213 |
29 |
| NTN Corporation | 4935 |
17 |
| Aktiebolaget SKF | 101 |
13 |
| NSK Ltd. | 2848 |
11 |
| Rtx Corporation | 10199 |
9 |
| Nakanishi Metal Works Co., Ltd. | 131 |
8 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
7 |
| Eagle Industry Co., Ltd. | 1186 |
7 |
| Pratt & Whitney Canada Corp. | 5584 |
5 |
| Nippon Thompson Co., Ltd. | 231 |
5 |
| NOK Corporation | 2345 |
5 |
| Consolidated Metco, Inc. | 173 |
4 |
| Evapco, Inc. | 319 |
4 |
| New Way Machine Components, Inc. | 35 |
4 |
| GE Precision Healthcare LLC | 5808 |
4 |
| Dodge Industrial, Inc. | 140 |
4 |
| Robert Bosch GmbH | 44363 |
3 |
| AES Engineering Ltd. | 84 |
3 |
| Amsted Rail Company, Inc. | 412 |
3 |
| Other owners | 166 |