- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/2237 - 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 where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
Patent holdings for IPC class F16D 3/2237
Total number of patents in this class: 68
10-year publication summary
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2
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4
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6
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9
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3
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3
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1
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0
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4
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4934 |
36 |
| GKN Driveline International GmbH | 143 |
7 |
| JTEKT Corporation | 2560 |
5 |
| Neapco Intellectual Property Holdings, LLC | 121 |
5 |
| Hansae Mobility Co., Ltd. | 47 |
4 |
| Toyota Motor Corporation | 34877 |
2 |
| Shaft-Form-Engineering GmbH | 9 |
2 |
| Mazda Motor Corporation | 3275 |
1 |
| Hyundai Wia Corporation | 222 |
1 |
| Polaris Industries Inc. | 2299 |
1 |
| Steering Solutions IP Holding Corporation | 970 |
1 |
| New Ventures Marketing, LLC | 6 |
1 |
| Korea Movenex Co., Ltd. | 3 |
1 |
| Seohan Innobility Co., Ltd. | 16 |
1 |
| Other owners | 0 |