- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 43/20 - Internally controlled automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
Patent holdings for IPC class F16D 43/20
Total number of patents in this class: 100
10-year publication summary
|
9
|
6
|
7
|
9
|
7
|
5
|
2
|
4
|
1
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| France Reducteurs | 72 |
5 |
| Kabushiki Kaisha F.C.C. | 387 |
5 |
| Litens Automotive Partnership | 336 |
5 |
| Hamilton Sundstrand Corporation | 4956 |
4 |
| Origin Co., Ltd. | 124 |
4 |
| KITO Corporation | 170 |
3 |
| Robert Bosch GmbH | 43096 |
2 |
| Schaeffler Technologies AG & Co. KG | 10352 |
2 |
| Shimadzu Corporation | 6235 |
2 |
| Allison Transmission, Inc. | 840 |
2 |
| American Axle & Manufacturing, Inc. | 652 |
2 |
| Bradshaw Medical, Inc. | 25 |
2 |
| Goodrich Actuation Systems Limited | 251 |
2 |
| Unison Industries, LLC | 212 |
2 |
| Woodward, Inc. | 659 |
2 |
| Oregon Tool, Inc. | 285 |
2 |
| Driven Innovations Ltd. | 3 |
2 |
| Halliburton Energy Services, Inc. | 21090 |
1 |
| Illinois Tool Works Inc. | 11580 |
1 |
| Honda Motor Co., Ltd. | 25784 |
1 |
| Other owners | 49 |