- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/227 - 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 the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
Patent holdings for IPC class F16D 3/227
Total number of patents in this class: 131
10-year publication summary
|
7
|
15
|
17
|
8
|
12
|
5
|
3
|
11
|
3
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4960 |
67 |
| GKN Driveline Deutschland GmbH | 39 |
14 |
| Dana Automotive Systems Group, LLC | 447 |
7 |
| Hitachi Astemo, Ltd. | 6378 |
6 |
| Hyundai Wia Corporation | 166 |
4 |
| JTEKT Corporation | 2529 |
3 |
| GKN Driveline International GmbH | 153 |
3 |
| Ifa-technologies GmbH | 21 |
3 |
| Volkswagen AG | 7382 |
2 |
| IJTT Co., Ltd. | 18 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14735 |
1 |
| Aktiebolaget SKF | 3023 |
1 |
| BF New Technologies GmbH | 5 |
1 |
| BONDIOLI & PAVESI S.p.a. | 26 |
1 |
| e-AAM Driveline Systems AB | 45 |
1 |
| GKN Driveline Bruneck AG | 11 |
1 |
| GKN Driveline North America, Inc. | 107 |
1 |
| Hirschvogel Holding GmbH | 14 |
1 |
| hofer-pdc GmbH | 2 |
1 |
| JFE Steel Corporation | 7090 |
1 |
| Other owners | 10 |