- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 41/28 - Freewheels or freewheel clutches specially adapted for cycles with intermediate wedging coupling members
Patent holdings for IPC class F16D 41/28
Total number of patents in this class: 30
10-year publication summary
|
4
|
7
|
2
|
4
|
3
|
2
|
6
|
5
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Christianson Systems, Inc. | 36 |
7 |
| ZF Friedrichshafen AG | 7180 |
2 |
| Freeflow Technologies Limited | 12 |
2 |
| Efneo Sp. z o.o. | 5 |
2 |
| JustRide | 3 |
2 |
| Robert Bosch GmbH | 42861 |
1 |
| Schaeffler Technologies AG & Co. KG | 10056 |
1 |
| Aktiebolaget SKF | 2999 |
1 |
| Bear Corporation | 25 |
1 |
| Foss Worldwide Inc. | 2 |
1 |
| Igus GmbH | 520 |
1 |
| SRAM Deutschland GmbH | 141 |
1 |
| Teddy Formosa Co., Ltd. | 4 |
1 |
| Tektro Technology Corporation | 110 |
1 |
| Maxon International AG | 97 |
1 |
| Gmn Paul Müller Industrie GmbH & Co. KG | 2 |
1 |
| Mavic Group | 50 |
1 |
| Main Drive Corporation | 2 |
1 |
| Rush Components LLC | 1 |
1 |
| Williams Racing Products Pty Ltd | 1 |
1 |
| Other owners | 0 |