- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
Patent holdings for IPC class F16D 3/20
Total number of patents in this class: 340
10-year publication summary
|
22
|
25
|
11
|
15
|
11
|
7
|
0
|
14
|
6
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4960 |
237 |
| Kyodo Yushi Co., Ltd. | 246 |
10 |
| JTEKT Corporation | 2529 |
7 |
| GKN Driveline North America, Inc. | 107 |
7 |
| Honda Motor Co., Ltd. | 25780 |
6 |
| Hyundai Wia Corporation | 166 |
6 |
| Halliburton Energy Services, Inc. | 21103 |
5 |
| National Oilwell Varco, L.P. | 1703 |
5 |
| Hitachi Automotive Systems, Ltd. | 3955 |
4 |
| Steering Solutions IP Holding Corporation | 948 |
4 |
| Shanghai GKN Huayu Driveline Systems Company Limited | 16 |
3 |
| Mitsubishi Chemical Corporation | 4608 |
2 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 370 |
2 |
| DAS Werk Pty Ltd | 2 |
2 |
| Angle X, Inc. | 6 |
2 |
| Idemitsu Kosan Co., Ltd. | 4221 |
1 |
| Mitsubishi Rayon Co., Ltd. | 892 |
1 |
| Smith International, Inc. | 713 |
1 |
| Aircraft Gear Corporation | 34 |
1 |
| American Axle & Manufacturing, Inc. | 652 |
1 |
| Other owners | 33 |