- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16D - Couplings for transmitting rotation; clutches; brakes
- F16D 13/12 - Friction clutches with an expansible band or coil co-operating with the inner surface of a drum or the like
Patent holdings for IPC class F16D 13/12
Total number of patents in this class: 61
10-year publication summary
|
3
|
3
|
3
|
5
|
3
|
2
|
5
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Litens Automotive Partnership | 332 |
37 |
| Schaeffler Technologies AG & Co. KG | 9386 |
6 |
| Liko Research & Development AB | 133 |
3 |
| V.b. Koting Management Inc. | 2 |
2 |
| Woodward, Inc. | 628 |
2 |
| Z.m.c. Metal Coating Inc. | 63 |
2 |
| Adaptive Concepts Ltd. | 9 |
2 |
| Hamilton Sundstrand Corporation | 4724 |
1 |
| Exedy Corporation | 484 |
1 |
| Lord Corporation | 478 |
1 |
| Mitsuboshi Belting Ltd. | 311 |
1 |
| Reell Precision Manufacturing Corporation | 40 |
1 |
| Voith Turbo Safeset AB | 6 |
1 |
| Performance Gear Systems, Inc. | 2 |
1 |
| Other owners | 0 |