- 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: 254
10-year publication summary
|
23
|
19
|
23
|
31
|
25
|
27
|
16
|
22
|
24
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Horton, Inc. | 126 |
11 |
| Otis Elevator Company | 2699 |
9 |
| Toyota Motor Corporation | 35772 |
7 |
| Safran Landing Systems | 772 |
7 |
| Warner Electric Technology LLC | 107 |
6 |
| ZF Active Safety US Inc. | 161 |
6 |
| ZF Active Safety GmbH | 263 |
6 |
| Fox Factory, Inc. | 901 |
5 |
| Goodrich Corporation | 2182 |
5 |
| Altra Industrial Motion (Shenzhen) Co. Ltd. | 11 |
5 |
| Illinois Tool Works Inc. | 11863 |
4 |
| Denso Corporation | 25534 |
4 |
| Means Industries, Inc. | 168 |
4 |
| Continental Automotive Technologies GmbH | 2821 |
4 |
| Halliburton Energy Services, Inc. | 21338 |
3 |
| Ford Global Technologies, LLC | 21509 |
3 |
| Hyundai Motor Company | 24653 |
3 |
| Amazon Technologies, Inc. | 28087 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 15272 |
3 |
| Schaeffler Technologies AG & Co. KG | 10968 |
3 |
| Other owners | 153 |