- All sections
- B - Performing operationstransporting
- B61F - Rail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axlesrail vehicles for use on tracks of different widthpreventing derailing of rail vehicleswheel guards, obstruction removers or the like for rail vehicles
- B61F 1/14 - Attaching or supporting vehicle body structure
Patent holdings for IPC class B61F 1/14
Total number of patents in this class: 74
10-year publication summary
|
8
|
6
|
11
|
7
|
10
|
12
|
8
|
7
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CRRC Qingdao Sifang Co., Ltd. | 378 |
9 |
| Hitachi, Ltd. | 15416 |
7 |
| Siemens Mobility GmbH | 1701 |
5 |
| JAC Operations, Inc. | 52 |
4 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 179 |
4 |
| Siemens AG Österreich | 315 |
3 |
| Alstom Holdings | 605 |
3 |
| SWS Engineering S.p.A. | 11 |
3 |
| CRRC Nanjing Puzhen Co., Ltd. | 99 |
3 |
| Bombardier Transportation GmbH | 648 |
2 |
| CRRC Tangshan Co., Ltd. | 254 |
2 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 572 |
2 |
| Oren Technologies, LLC | 32 |
2 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 413 |
2 |
| Siemens Mobility Austria GmbH | 164 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8641 |
1 |
| Mitsubishi Electric Corporation | 45752 |
1 |
| BNSF Railway Company | 411 |
1 |
| BYD Company Limited | 4791 |
1 |
| Central Japan Railway Company | 114 |
1 |
| Other owners | 16 |