- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 121/20 - Electric or magnetic using electromagnets
Patent holdings for IPC class F16D 121/20
Total number of patents in this class: 231
10-year publication summary
|
15
|
23
|
19
|
23
|
31
|
25
|
27
|
13
|
21
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Horton, Inc. | 123 |
10 |
| Otis Elevator Company | 2658 |
8 |
| Toyota Motor Corporation | 33440 |
7 |
| Warner Electric Technology LLC | 113 |
6 |
| Safran Landing Systems | 736 |
6 |
| Goodrich Corporation | 2185 |
5 |
| Altra Industrial Motion (Shenzhen) Co. Ltd. | 11 |
5 |
| Illinois Tool Works Inc. | 11554 |
4 |
| Denso Corporation | 24783 |
4 |
| Fox Factory, Inc. | 860 |
4 |
| Means Industries, Inc. | 162 |
4 |
| ZF Active Safety US Inc. | 151 |
4 |
| Continental Automotive Technologies GmbH | 2782 |
4 |
| Hyundai Motor Company | 22813 |
3 |
| Amazon Technologies, Inc. | 27237 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 14678 |
3 |
| Schaeffler Technologies AG & Co. KG | 10334 |
3 |
| FANUC Corporation | 6864 |
3 |
| Hefei University of Technology | 244 |
3 |
| Lord Corporation | 466 |
3 |
| Other owners | 139 |