- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 7/08 - Adjustable coupling heads
Patent holdings for IPC class B61G 7/08
Total number of patents in this class: 31
10-year publication summary
|
2
|
2
|
2
|
5
|
3
|
4
|
4
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dellner Couplers AB | 109 |
6 |
| Voith Patent GmbH | 2772 |
5 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 83 |
3 |
| Siemens Mobility GmbH | 1837 |
2 |
| CRRC Braking System Co., Ltd. | 15 |
2 |
| Bombardier Transportation GmbH | 603 |
1 |
| Brandt Road Rail Corporation | 10 |
1 |
| Co.el.da. Software SRL | 9 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 398 |
1 |
| Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 18 |
1 |
| Qingdao SRI Technology Co., Ltd. | 18 |
1 |
| CRRC Qishuyan Institute Co., Ltd. | 55 |
1 |
| Axtone SA | 26 |
1 |
| Faiveley Transport Schwab AG | 3 |
1 |
| CRRC Changzhou Tech-mark Industrial Co., Ltd. | 23 |
1 |
| CRRC Dalian Co., Ltd. | 60 |
1 |
| Chongqing CRRC Railway Vehicles Co., Ltd. | 6 |
1 |
| Directrains Ltd. | 2 |
1 |
| Other owners | 0 |