- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 121/22 - Electric or magnetic using electromagnets for releasing a normally applied brake
Patent holdings for IPC class F16D 121/22
Total number of patents in this class: 184
10-year publication summary
|
16
|
10
|
19
|
20
|
17
|
12
|
17
|
13
|
19
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SEW-EURODRIVE GmbH & Co. KG | 2031 |
21 |
| Otis Elevator Company | 2693 |
12 |
| Warner Electric Technology LLC | 107 |
8 |
| Chr. Mayr GmbH & Co. KG | 85 |
7 |
| FANUC Corporation | 7187 |
7 |
| Kone Oyj | 2150 |
6 |
| Mitsubishi Electric Corporation | 47943 |
5 |
| Oshkosh Corporation | 1601 |
5 |
| Illinois Tool Works Inc. | 11852 |
4 |
| Hitachi, Ltd. | 16047 |
3 |
| Rockwell Automation Technologies, Inc. | 2793 |
3 |
| Akebono Brake Industry Co., Ltd. | 364 |
3 |
| Konecranes Global Corporation | 482 |
3 |
| Siemens AG | 24050 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
2 |
| Hamilton Sundstrand Corporation | 5017 |
2 |
| NTN Corporation | 4914 |
2 |
| Hilti Aktiengesellschaft | 3658 |
2 |
| ANDREAS STIHL AG & Co. KG | 855 |
2 |
| Drägerwerk AG & Co. KGaA | 990 |
2 |
| Other owners | 83 |