- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 41/20 - Freewheels or freewheel clutches with expandable or contractable clamping ring or band
Patent holdings for IPC class F16D 41/20
Total number of patents in this class: 248
10-year publication summary
|
19
|
20
|
20
|
15
|
18
|
8
|
11
|
11
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Litens Automotive Partnership | 334 |
63 |
| Gates Corporation | 1147 |
36 |
| Schaeffler Technologies AG & Co. KG | 10968 |
26 |
| Origin Co., Ltd. | 129 |
12 |
| Mitsuboshi Belting Ltd. | 322 |
10 |
| NTN Corporation | 4914 |
8 |
| Robert Bosch GmbH | 44160 |
7 |
| Baker Hughes Oilfield Operations, LLC | 2527 |
5 |
| Dayco Europe S.r.l. | 143 |
4 |
| Hutchinson | 493 |
4 |
| Valeo Equipements Electriques Moteur | 940 |
3 |
| ZEN SA Industria Metalurgica | 7 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
2 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
2 |
| Bernard Controls | 28 |
2 |
| Dayco IP Holdings, LLC | 276 |
2 |
| Inertia Dynamics LLC | 6 |
2 |
| Kiekert Aktiengesellschaft | 1569 |
2 |
| Origin Electric Company, Limited | 71 |
2 |
| Porite Corporation | 23 |
2 |
| Other owners | 51 |