- 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 5/16 - Centre bearings or other swivel connections between underframes and bolsters or bogies
Patent holdings for IPC class B61F 5/16
Total number of patents in this class: 51
10-year publication summary
|
7
|
3
|
13
|
5
|
3
|
5
|
1
|
4
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kawasaki Railcar Manufacturing Co., Ltd. | 177 |
5 |
| CRRC Qingdao Sifang Co., Ltd. | 373 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3020 |
4 |
| Hitachi, Ltd. | 15239 |
3 |
| Siemens AG | 24568 |
2 |
| Alstom Holdings | 510 |
2 |
| Kaci Intermodal Systems, LLC | 7 |
2 |
| CRRC Yangtze Co., Ltd. | 83 |
2 |
| Siemens Mobility GmbH | 1644 |
2 |
| KACI Terminals System, Ltd. | 2 |
2 |
| Science and Technology Development Branch, CRRC Yangtze Group Co., Ltd. | 10 |
2 |
| The Boeing Company | 19915 |
1 |
| Siemens AG Österreich | 315 |
1 |
| Alstom Technology Ltd | 1145 |
1 |
| Schaeffler Technologies AG & Co. KG | 9405 |
1 |
| A. Stucki Co. | 47 |
1 |
| Amsted Rail Company, Inc. | 436 |
1 |
| Bombardier Transportation GmbH | 655 |
1 |
| Dayco Corporation | 1 |
1 |
| The Korea Transport Institute | 19 |
1 |
| Other owners | 12 |