- 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 15/02 - Axle-boxes with journal bearings
Patent holdings for IPC class B61F 15/02
Total number of patents in this class: 11
10-year publication summary
|
1
|
3
|
1
|
3
|
1
|
1
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0
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1
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 2856 |
5 |
| Mass Electric Construction Co. | 9 |
2 |
| Amsted Rail Company, Inc. | 435 |
1 |
| Shaw Industries Group, Inc. | 312 |
1 |
| Sumitomo Riko Company Limited | 1025 |
1 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 178 |
1 |
| Other owners | 0 |