- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 7/08 - Skids electromagnetically operated
Patent holdings for IPC class B61H 7/08
Total number of patents in this class: 68
10-year publication summary
|
3
|
2
|
9
|
5
|
6
|
8
|
8
|
2
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 152 |
19 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 570 |
9 |
| CRRC Qingdao Sifang Co., Ltd. | 406 |
4 |
| DP World Logistics US Holdings, Inc. | 56 |
4 |
| Siemens AG | 24020 |
3 |
| Faiveley Transport Bochum GmbH | 6 |
3 |
| TruBlue LLC, DBA Head Rush Technologies | 45 |
2 |
| Siemens Mobility GmbH | 1875 |
2 |
| CRRC Nanjing Puzhen Co., Ltd. | 104 |
2 |
| Ralf Schwarzer Verkehrstechnik GmbH | 2 |
2 |
| The Boeing Company | 20163 |
1 |
| Toshiba Corporation | 12569 |
1 |
| Bombardier Transportation GmbH | 572 |
1 |
| CRRC Tangshan Co., Ltd. | 279 |
1 |
| Faiveley Transport Witten GmbH | 25 |
1 |
| Nippon Steel Corporation | 6895 |
1 |
| Otis Elevator Company | 2702 |
1 |
| Preventive Medical Health Care Co., Ltd. | 27 |
1 |
| SEW-EURODRIVE GmbH & Co. KG | 2034 |
1 |
| Sumitomo Metal Industries, Ltd. | 316 |
1 |
| Other owners | 8 |