- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 57/04 - Liquid-resistance brakesAir-resistance brakes with blades causing a directed flow, e.g. Föttinger type
Patent holdings for IPC class F16D 57/04
Total number of patents in this class: 92
10-year publication summary
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3
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2
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6
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5
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5
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3
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4
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5
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3
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4
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2740 |
55 |
| Driventic GmbH | 81 |
12 |
| ZF Friedrichshafen AG | 7276 |
6 |
| Scania CV AB | 2414 |
6 |
| Daimler Truck AG | 789 |
3 |
| Volvo Truck Corporation | 3955 |
2 |
| Allison Transmission, Inc. | 804 |
1 |
| American Axle & Manufacturing, Inc. | 630 |
1 |
| Dana Belgium N.V. | 34 |
1 |
| MAN Truck & Bus AG | 169 |
1 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1340 |
1 |
| Epiroc Rock Drills Aktiebolag | 676 |
1 |
| MAN Truck & Bus SE | 500 |
1 |
| Dana Belgium | 111 |
1 |
| Other owners | 0 |