- 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 33/32 - Balls
Patent holdings for IPC class F16C 33/32
Total number of patents in this class: 367
10-year publication summary
|
33
|
26
|
26
|
17
|
16
|
11
|
14
|
29
|
26
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4980 |
100 |
| Toshiba Materials Co., Ltd. | 627 |
32 |
| NSK Ltd. | 2732 |
31 |
| Aktiebolaget SKF | 2834 |
26 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6220 |
24 |
| Schaeffler Technologies AG & Co. KG | 9364 |
20 |
| Toshiba Corporation | 12037 |
8 |
| Schaeffler Group USA, Inc. | 300 |
7 |
| JTEKT Corporation | 2435 |
5 |
| Schaeffler KG | 821 |
5 |
| THK Co., Ltd. | 1215 |
5 |
| General Electric Company | 17803 |
4 |
| Agc, Inc. | 4434 |
4 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
3 |
| Accuride International GmbH | 45 |
3 |
| Nikkato Corporation | 15 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
3 |
| Tsubaki Nakashima Co., Ltd. | 7 |
3 |
| Rtx Corporation | 9077 |
3 |
| AMF Automation Technologies, LLC | 22 |
2 |
| Other owners | 76 |