- All sections
- B - Performing operations; transporting
- B61G - Couplings specially adapted for railway vehicles; draught or buffing appliances specially adapted for railway vehicles
- B61G 3/12 - Jaw-locking devices
Patent holdings for IPC class B61G 3/12
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
0
|
0
|
2
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CRRC Qiqihar Rolling Stock Co., Ltd. | 103 |
2 |
| Other owners | 0 |