- 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 5/26 - Mounting or securing axle-boxes in vehicle or bogie underframes
Patent holdings for IPC class B61F 5/26
Total number of patents in this class: 91
10-year publication summary
|
8
|
11
|
11
|
8
|
5
|
3
|
2
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nevis Industries LLC | 63 |
17 |
| Amsted Rail Company, Inc. | 430 |
11 |
| Aktiebolaget SKF | 2913 |
7 |
| Transportation IP Holdings, LLC | 923 |
6 |
| CRRC Tangshan Co., Ltd. | 254 |
5 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 179 |
4 |
| CRRC Qingdao Sifang Co., Ltd. | 377 |
3 |
| A. Stucki Compnay | 23 |
3 |
| ArvinMeritor Technology, LLC | 399 |
2 |
| Bombardier Transportation GmbH | 648 |
2 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 105 |
2 |
| National Steel Car Limited | 149 |
2 |
| Progress Rail Locomotive Inc. | 316 |
2 |
| Siemens Mobility GmbH | 1692 |
2 |
| Siemens Mobility Austria GmbH | 164 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8601 |
1 |
| Siemens AG Österreich | 316 |
1 |
| Alstom Holdings | 604 |
1 |
| Bradken Resources Pty Limited | 153 |
1 |
| BYD Company Limited | 4693 |
1 |
| Other owners | 16 |