- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 23/00 - Construction of steps for railway vehicles
Patent holdings for IPC class B61D 23/00
Total number of patents in this class: 73
10-year publication summary
|
3
|
4
|
17
|
8
|
7
|
9
|
10
|
5
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 4693 |
10 |
| Siemens Mobility GmbH | 1692 |
9 |
| National Steel Car Limited | 149 |
5 |
| Bombardier Transportation GmbH | 648 |
4 |
| Bode - Die Tür GmbH | 64 |
4 |
| Gebr. Bode GmbH & Co. KG | 59 |
3 |
| CRRC Zhuzhou Locomotive Co., Ltd | 247 |
3 |
| Siemens AG Österreich | 316 |
2 |
| BNSF Logistics, LLC | 51 |
2 |
| CRRC Tangshan Co., Ltd. | 254 |
2 |
| Isoclima S.p.A. | 43 |
2 |
| Rutgers, The State University of New Jersey | 1869 |
2 |
| Stadler Rail AG | 35 |
2 |
| Trinity Rail Group, LLC | 108 |
2 |
| Speedinnov | 21 |
2 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 179 |
2 |
| Siemens AG | 24542 |
1 |
| Alstom Holdings | 604 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 377 |
1 |
| Kaba Gilgen AG | 6 |
1 |
| Other owners | 13 |