- 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 5/32 - Guides, e.g. plates, for axle-boxes
Patent holdings for IPC class B61F 5/32
Total number of patents in this class: 97
10-year publication summary
|
12
|
13
|
7
|
6
|
5
|
4
|
4
|
5
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nevis Industries LLC | 64 |
20 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 186 |
11 |
| Transportation IP Holdings, LLC | 1018 |
7 |
| Aktiebolaget SKF | 3156 |
6 |
| Siemens AG Österreich | 318 |
5 |
| Bombardier Transportation GmbH | 559 |
5 |
| Alstom Transport SA | 31 |
4 |
| Amsted Rail Company, Inc. | 412 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
3 |
| BNSF Railway Company | 559 |
3 |
| Siemens Mobility GmbH | 1896 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3304 |
3 |
| Siemens AG | 23913 |
2 |
| Alstom Holdings | 631 |
2 |
| Pennsy Corporation | 45 |
2 |
| Standard Car Truck Company | 16 |
2 |
| Siemens Mobility Austria GmbH | 196 |
2 |
| ASF-Keystone, Inc. | 7 |
1 |
| ContiTech Luftfedersysteme GmbH | 84 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 410 |
1 |
| Other owners | 10 |