- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 121/16 - Mechanical for releasing a normally applied brake
Patent holdings for IPC class F16D 121/16
Total number of patents in this class: 70
10-year publication summary
|
3
|
8
|
14
|
8
|
3
|
7
|
5
|
5
|
3
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Akebono Brake Industry Co., Ltd. | 359 |
4 |
| Hydro-Gear Limited Partnership | 346 |
4 |
| Howe & Howe Inc. | 74 |
4 |
| NTN Corporation | 4973 |
2 |
| Humanscale Corporation | 168 |
2 |
| Otis Elevator Company | 2660 |
2 |
| Ratier-figeac SAS | 187 |
2 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1401 |
2 |
| T-max (Hangzhou) Technology Co., Ltd. | 112 |
2 |
| Continental Automotive Technologies GmbH | 2886 |
2 |
| Honda Motor Co., Ltd. | 25327 |
1 |
| Toyota Motor Corporation | 32450 |
1 |
| Deere & Company | 7625 |
1 |
| Hitachi, Ltd. | 15513 |
1 |
| Robert Bosch GmbH | 42705 |
1 |
| Mitsubishi Electric Corporation | 46197 |
1 |
| Raytheon Company | 8387 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
1 |
| ZF Friedrichshafen AG | 7156 |
1 |
| Hilti Aktiengesellschaft | 3498 |
1 |
| Other owners | 34 |