- All sections
- B - Performing operations; transporting
- B61H - Brakes or other retarding devices specially adapted for rail vehicles; arrangement 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: 61
10-year publication summary
9
|
9
|
3
|
2
|
9
|
5
|
5
|
6
|
8
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 150 |
17 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
10 |
CRRC Qingdao Sifang Co., Ltd. | 354 |
4 |
Siemens AG | 24990 |
3 |
Hyperloop Technologies, Inc. | 207 |
2 |
TruBlue LLC, DBA Head Rush Technologies | 37 |
2 |
Siemens Mobility GmbH | 1550 |
2 |
CRRC Nanjing Puzhen Co., Ltd. | 80 |
2 |
Faiveley Transport Bochum GmbH | 4 |
2 |
Ralf Schwarzer Verkehrstechnik GmbH | 2 |
2 |
The Boeing Company | 19843 |
1 |
Toshiba Corporation | 12017 |
1 |
Bombardier Transportation GmbH | 682 |
1 |
CRRC Tangshan Co., Ltd. | 239 |
1 |
Faiveley Transport Italia S.p.A. | 131 |
1 |
Faiveley Transport Witten GmbH | 26 |
1 |
Nippon Steel Corporation | 5649 |
1 |
Preventive Medical Health Care Co., Ltd. | 26 |
1 |
Sumitomo Metal Industries, Ltd. | 453 |
1 |
Velocity Magnetics, Inc. | 44 |
1 |
Other owners | 5 |