- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16C - Shafts; flexible shafts; mechanical means for transmitting movement in a flexible sheathing; elements of crankshaft mechanisms; pivots; pivotal connections; rotary engineering elements other than gearing, coupling, clutch or brake elements; bearings
- F16C 33/66 - Special parts or details in view of lubrication
Patent holdings for IPC class F16C 33/66
Total number of patents in this class: 2072
10-year publication summary
|
213
|
219
|
229
|
198
|
170
|
144
|
122
|
111
|
129
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 5008 |
344 |
| Aktiebolaget SKF | 2700 |
144 |
| NSK Ltd. | 2719 |
135 |
| JTEKT Corporation | 2423 |
126 |
| Schaeffler Technologies AG & Co. KG | 8880 |
121 |
| Kyodo Yushi Co., Ltd. | 224 |
57 |
| Rtx Corporation | 8674 |
38 |
| Pratt & Whitney Canada Corp. | 4215 |
28 |
| Schaeffler KG | 960 |
25 |
| THK Co., Ltd. | 1206 |
25 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
21 |
| Safran Aircraft Engines | 5739 |
21 |
| The Timken Company | 392 |
18 |
| Minebea Mitsumi Inc. | 1461 |
18 |
| Toyota Motor Corporation | 28582 |
16 |
| Edwards Limited | 764 |
16 |
| Rolls-Royce Corporation | 1686 |
16 |
| General Electric Company | 18133 |
15 |
| Idemitsu Kosan Co., Ltd. | 3995 |
15 |
| Nippon Thompson Co., Ltd. | 192 |
14 |
| Other owners | 859 |