- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16H - Gearing
- F16H 15/20 - Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a conical friction surface externally co-operating with the outer rim of the member A, which is perpendicular or nearly perpendicular to the friction surface of the member B
Patent holdings for IPC class F16H 15/20
Total number of patents in this class: 10
10-year publication summary
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1
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1
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0
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0
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2
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0
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimano Inc. | 3253 |
2 |
| Pratt & Whitney Canada Corp. | 4804 |
1 |
| Robert Bosch GmbH | 42742 |
1 |
| Isuzu Motors Limited | 2261 |
1 |
| Italycar S.r.l. | 1 |
1 |
| Mavic SAS | 12 |
1 |
| Orbital Traction, Ltd. | 28 |
1 |
| Valeo Sicherheitssysteme GmbH | 25 |
1 |
| Kone Oyj | 2088 |
1 |
| Other owners | 0 |