- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/30 - Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected in which the coupling is specially adapted to constant velocity-ratio
Patent holdings for IPC class F16D 3/30
Total number of patents in this class: 33
10-year publication summary
|
2
|
8
|
7
|
4
|
6
|
3
|
2
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4921 |
6 |
| Bell Helicopter Textron Inc. | 958 |
4 |
| Covidien LP | 10667 |
2 |
| Harris Dynamics | 3 |
2 |
| Halliburton Energy Services, Inc. | 21318 |
1 |
| Honda Motor Co., Ltd. | 26090 |
1 |
| Aden Limited | 4 |
1 |
| Aerofex, Inc. | 8 |
1 |
| AMT Nano, LLC | 2 |
1 |
| Atlas Copco Industrial Technique AB | 521 |
1 |
| Audi AG | 7568 |
1 |
| Comblax s.r.o. | 1 |
1 |
| Flexous B.V. | 2 |
1 |
| GKN Driveline North America, Inc. | 101 |
1 |
| Hyundai Wia Corporation | 242 |
1 |
| K4a S.r.l. | 3 |
1 |
| Korea Delphi Automotive Systems Corporation | 20 |
1 |
| NTN Bearing Corporation of America | 15 |
1 |
| Volvo Truck Corporation | 3928 |
1 |
| Xidian University | 233 |
1 |
| Other owners | 3 |