- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 17/20 - Communication passages between coachesAdaptation of coach ends therefor
Patent holdings for IPC class B61D 17/20
Total number of patents in this class: 49
10-year publication summary
|
2
|
4
|
8
|
5
|
3
|
3
|
6
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bombardier Transportation GmbH | 655 |
8 |
| Siemens AG Österreich | 315 |
4 |
| BYD Company Limited | 4401 |
4 |
| Dellner Couplers AB | 103 |
4 |
| Ego International B.V. | 4 |
3 |
| Siemens AG | 24558 |
2 |
| Alstom Transport Technologies | 264 |
2 |
| ATG Autotechnik GmbH | 13 |
2 |
| HÜBNER GmbH & Co. KG | 140 |
2 |
| Stadler Rail AG | 34 |
2 |
| Hitachi, Ltd. | 15259 |
1 |
| Alstom Holdings | 513 |
1 |
| CRRC Tangshan Co., Ltd. | 251 |
1 |
| FOGTEC Brandschutz GmbH & Co. KG | 35 |
1 |
| HÜBNER GmbH | 5 |
1 |
| Huebner GmbH | 2 |
1 |
| Instituto Superior Tecnico | 153 |
1 |
| Lohr Industrie | 65 |
1 |
| ThyssenKrupp AG | 3218 |
1 |
| Transport Industry Development Centre B.V. | 9 |
1 |
| Other owners | 6 |