- All sections
- B - Performing operations; transporting
- B61F - Rail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles; rail vehicles for use on tracks of different width; preventing derailing of rail vehicles; wheel 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: 50
10-year publication summary
1
|
7
|
3
|
13
|
5
|
3
|
5
|
1
|
4
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kawasaki Railcar Manufacturing Co., Ltd. | 174 |
5 |
CRRC Qingdao Sifang Co., Ltd. | 354 |
4 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
4 |
Hitachi, Ltd. | 16452 |
3 |
Siemens AG | 24990 |
2 |
Alstom Transport Technologies | 566 |
2 |
Kaci Intermodal Systems, LLC | 6 |
2 |
CRRC Yangtze Co., Ltd. | 76 |
2 |
KACI Terminals System, Ltd. | 2 |
2 |
Science and Technology Development Branch, CRRC Yangtze Group Co., Ltd. | 6 |
2 |
The Boeing Company | 19843 |
1 |
Siemens AG Österreich | 316 |
1 |
Alstom Technology Ltd | 1196 |
1 |
Schaeffler Technologies AG & Co. KG | 8880 |
1 |
A. Stucki Co. | 48 |
1 |
Amsted Rail Company, Inc. | 432 |
1 |
Bombardier Transportation GmbH | 682 |
1 |
Dayco Corporation | 1 |
1 |
The Korea Transport Institute | 19 |
1 |
Marketing Impact Limited | 19 |
1 |
Other owners | 12 |