- 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 5/08 - Bolster supports or mountings incorporating rubber springs
Patent holdings for IPC class B61F 5/08
Total number of patents in this class: 41
10-year publication summary
|
2
|
2
|
7
|
1
|
8
|
0
|
1
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amsted Rail Company, Inc. | 412 |
4 |
| CRRC Tangshan Co., Ltd. | 282 |
4 |
| Bombardier Transportation GmbH | 559 |
3 |
| Hendrickson USA, L.L.C. | 598 |
3 |
| Zhuzhou Times New Material Technology Co., Ltd. | 69 |
3 |
| Siemens Mobility Austria GmbH | 196 |
3 |
| Siemens AG | 23913 |
2 |
| Hitachi, Ltd. | 16221 |
2 |
| Progress Rail Locomotive Inc. | 337 |
2 |
| Bridgestone Corporation | 7275 |
1 |
| Siemens AG Österreich | 318 |
1 |
| Alstom Holdings | 631 |
1 |
| AnsaldoBreda S.p.A. | 8 |
1 |
| BYD Company Limited | 6629 |
1 |
| ContiTech Luftfedersysteme GmbH | 84 |
1 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 117 |
1 |
| Qiqihar Railway Rolling Stock Co., Ltd. | 45 |
1 |
| Sumitomo Riko Company Limited | 1176 |
1 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
1 |
| CRRC Qishuyan Co., Ltd | 35 |
1 |
| Other owners | 4 |