- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16D - Couplings for transmitting rotation; clutches; brakes
- 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: 354
10-year publication summary
|
28
|
24
|
26
|
12
|
15
|
11
|
9
|
0
|
14
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 5008 |
240 |
| Honda Motor Co., Ltd. | 24537 |
13 |
| Kyodo Yushi Co., Ltd. | 224 |
12 |
| JTEKT Corporation | 2423 |
7 |
| GKN Driveline North America, Inc. | 134 |
7 |
| Hyundai Wia Corporation | 109 |
6 |
| Halliburton Energy Services, Inc. | 20165 |
5 |
| National Oilwell Varco, L.P. | 1604 |
5 |
| Hitachi Automotive Systems, Ltd. | 3970 |
4 |
| Steering Solutions IP Holding Corporation | 847 |
3 |
| Shanghai GKN Huayu Driveline Systems Company Limited | 15 |
3 |
| Idemitsu Kosan Co., Ltd. | 3995 |
2 |
| Mitsubishi Chemical Corporation | 4313 |
2 |
| DAS Werk Pty Ltd | 2 |
2 |
| GKN Driveline International GmbH | 189 |
2 |
| JFE Steel Corporation | 6067 |
2 |
| Angle X, Inc. | 6 |
2 |
| Composite Drivelines, LLC | 9 |
2 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
1 |
| Other owners | 33 |