- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 13/56 - Clutches with multiple lamellae with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only
Patent holdings for IPC class F16D 13/56
Total number of patents in this class: 117
10-year publication summary
|
18
|
15
|
16
|
14
|
8
|
5
|
7
|
13
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha F.C.C. | 419 |
35 |
| Schaeffler Technologies AG & Co. KG | 11003 |
22 |
| Exedy Corporation | 501 |
11 |
| Honda Motor Co., Ltd. | 26034 |
9 |
| Yamaha Motor Co., Ltd. | 2844 |
3 |
| BorgWarner Inc. | 2583 |
3 |
| NTN Corporation | 4915 |
2 |
| ADLER S.p.A. | 6 |
2 |
| C-stone Technologies Co., Ltd. | 15 |
2 |
| Hydro-Gear Limited Partnership | 330 |
2 |
| Piaggio & C. S.p.A. | 1259 |
2 |
| The Boeing Company | 20163 |
1 |
| Deere & Company | 8118 |
1 |
| Daimler AG | 2829 |
1 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2816 |
1 |
| e-AAM Driveline Systems AB | 45 |
1 |
| Goodrich Corporation | 2181 |
1 |
| Magna Powertrain GmbH & Co KG | 351 |
1 |
| OS Giken Co., Ltd. | 5 |
1 |
| Suzuki Motor Corporation | 1367 |
1 |
| Other owners | 15 |