- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 13/52 - Clutches with multiple lamellae
Patent holdings for IPC class F16D 13/52
Total number of patents in this class: 796
10-year publication summary
|
131
|
119
|
86
|
63
|
81
|
68
|
40
|
39
|
31
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 10725 |
110 |
| Kabushiki Kaisha F.C.C. | 398 |
106 |
| BorgWarner Inc. | 2582 |
42 |
| Denso Corporation | 25232 |
34 |
| Honda Motor Co., Ltd. | 25873 |
23 |
| ZF Friedrichshafen AG | 7238 |
23 |
| Exedy Corporation | 492 |
22 |
| GM Global Technology Operations LLC | 15848 |
21 |
| JTEKT Corporation | 2557 |
21 |
| Ford Global Technologies, LLC | 21296 |
16 |
| American Axle & Manufacturing, Inc. | 636 |
12 |
| Deere & Company | 7944 |
11 |
| Sikorsky Aircraft Corporation | 1074 |
11 |
| Toyota Motor Corporation | 34698 |
10 |
| NSK Ltd. | 2826 |
10 |
| Valeo Embrayages | 679 |
10 |
| Hyundai Motor Company | 23824 |
9 |
| Aisin AW Co., Ltd. | 2274 |
9 |
| GKN Automotive Limited | 363 |
9 |
| Magna Powertrain GmbH & Co KG | 345 |
9 |
| Other owners | 278 |