- 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: 788
10-year publication summary
|
61
|
131
|
118
|
85
|
63
|
81
|
68
|
39
|
38
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 10376 |
109 |
| Kabushiki Kaisha F.C.C. | 388 |
102 |
| BorgWarner Inc. | 2599 |
42 |
| Denso Corporation | 24818 |
34 |
| Honda Motor Co., Ltd. | 25780 |
23 |
| ZF Friedrichshafen AG | 7177 |
23 |
| Exedy Corporation | 491 |
22 |
| GM Global Technology Operations LLC | 15421 |
21 |
| JTEKT Corporation | 2529 |
21 |
| Ford Global Technologies, LLC | 20962 |
16 |
| American Axle & Manufacturing, Inc. | 652 |
12 |
| Deere & Company | 7781 |
11 |
| Sikorsky Aircraft Corporation | 1091 |
11 |
| Toyota Motor Corporation | 33572 |
10 |
| Valeo Embrayages | 667 |
10 |
| Aisin AW Co., Ltd. | 2299 |
9 |
| NSK Ltd. | 2812 |
9 |
| GKN Automotive Limited | 358 |
9 |
| Magna Powertrain GmbH & Co KG | 330 |
9 |
| Hyundai Motor Company | 22888 |
8 |
| Other owners | 277 |