- 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 15/00 - Axle-boxes
Patent holdings for IPC class B61F 15/00
Total number of patents in this class: 21
10-year publication summary
|
4
|
1
|
3
|
1
|
3
|
2
|
2
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amsted Rail Company, Inc. | 435 |
3 |
| Alstom Holdings | 513 |
2 |
| Schaeffler Technologies AG & Co. KG | 9471 |
2 |
| CRRC Qingdao Sifang Co., Ltd. | 376 |
2 |
| Stadler Rail AG | 34 |
2 |
| SWS Engineering S.p.A. | 11 |
2 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 178 |
2 |
| Robert Bosch GmbH | 41906 |
1 |
| Aktiebolaget SKF | 2856 |
1 |
| Magnus Division of LV Ventures, Inc. | 3 |
1 |
| Pennsy Corporation | 36 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3028 |
1 |
| Siemens Mobility Austria GmbH | 152 |
1 |
| Other owners | 0 |