- 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 5/40 - Bogies with side frames mounted for longitudinal relative movements
Patent holdings for IPC class B61F 5/40
Total number of patents in this class: 17
10-year publication summary
|
0
|
2
|
0
|
2
|
2
|
2
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Transportation IP Holdings, LLC | 1018 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
2 |
| The University of Tokyo | 4395 |
2 |
| Advanced Truck Systems Corp. | 3 |
2 |
| Caterpillar Inc. | 10331 |
1 |
| Amsted Rail Company, Inc. | 412 |
1 |
| CSR Nanjing Puzhen Co., Ltd. | 2 |
1 |
| Ibaraki University | 58 |
1 |
| Siemens Mobility GmbH | 1896 |
1 |
| Siemens Mobility Austria GmbH | 196 |
1 |
| Other owners | 0 |