- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16D - Couplings for transmitting rotation; clutches; brakes
- 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: 246
10-year publication summary
|
28
|
17
|
19
|
20
|
20
|
15
|
18
|
7
|
11
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Litens Automotive Partnership | 337 |
63 |
| Gates Corporation | 1182 |
36 |
| Schaeffler Technologies AG & Co. KG | 8880 |
26 |
| Mitsuboshi Belting Ltd. | 307 |
10 |
| Origin Co., Ltd. | 112 |
9 |
| NTN Corporation | 5008 |
8 |
| Robert Bosch GmbH | 40953 |
6 |
| Dayco Europe S.r.l. | 174 |
6 |
| Hutchinson | 455 |
5 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
4 |
| Valeo Equipements Electriques Moteur | 1036 |
3 |
| ZEN SA Industria Metalurgica | 7 |
3 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
2 |
| Bernard Controls | 26 |
2 |
| Dayco IP Holdings, LLC | 396 |
2 |
| Inertia Dynamics LLC | 6 |
2 |
| Kiekert Aktiengesellschaft | 1296 |
2 |
| Origin Electric Company, Limited | 81 |
2 |
| Reell Precision Manufacturing Corporation | 38 |
2 |
| Valeo Embrayages | 590 |
2 |
| Other owners | 51 |