- 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: 31
10-year publication summary
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2
|
2
|
8
|
7
|
3
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6
|
3
|
2
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2
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4968 |
6 |
| Bell Helicopter Textron Inc. | 1063 |
4 |
| Harris Dynamics | 3 |
2 |
| Halliburton Energy Services, Inc. | 20924 |
1 |
| Honda Motor Co., Ltd. | 25335 |
1 |
| Aden Limited | 4 |
1 |
| Aerofex, Inc. | 10 |
1 |
| AMT Nano, LLC | 2 |
1 |
| Atlas Copco Industrial Technique AB | 475 |
1 |
| Audi AG | 7367 |
1 |
| Comblax s.r.o. | 1 |
1 |
| Flexous B.V. | 2 |
1 |
| GKN Driveline North America, Inc. | 116 |
1 |
| Hyundai Wia Corporation | 147 |
1 |
| K4a S.r.l. | 4 |
1 |
| Korea Delphi Automotive Systems Corporation | 21 |
1 |
| NTN Bearing Corporation of America | 15 |
1 |
| Volvo Truck Corporation | 3426 |
1 |
| Xidian University | 204 |
1 |
| D & D Design and Manufacturing, Inc. | 3 |
1 |
| Other owners | 2 |