- 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 5/38 - Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
Patent holdings for IPC class B61F 5/38
Total number of patents in this class: 172
10-year publication summary
17
|
15
|
11
|
16
|
12
|
14
|
12
|
12
|
4
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Heavy Industries, Ltd. | 8601 |
16 |
Bombardier Transportation GmbH | 648 |
16 |
Mitsubishi Heavy Industries Engineering, Ltd. | 196 |
10 |
Siemens Mobility GmbH | 1692 |
8 |
Siemens AG Österreich | 316 |
7 |
Transportation IP Holdings, LLC | 923 |
7 |
Kawasaki Railcar Manufacturing Co., Ltd. | 179 |
7 |
Siemens AG | 24542 |
6 |
Amsted Rail Company, Inc. | 430 |
5 |
National Steel Car Limited | 149 |
5 |
Parallel Systems, Inc. | 32 |
4 |
CRRC Meishan Co., Ltd. | 23 |
4 |
Siemens Mobility Austria GmbH | 164 |
4 |
Traila AG | 13 |
4 |
Alstom Holdings | 604 |
3 |
BYD Company Limited | 4693 |
3 |
Korea Railroad Research Institute | 176 |
3 |
Hyperloop Technologies, Inc. | 182 |
2 |
Liebherr-Transportation Systems GmbH & Co. KG | 10 |
2 |
Nippon Steel Corporation | 6122 |
2 |
Other owners | 54 |