- 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: 75
10-year publication summary
|
4
|
17
|
8
|
7
|
9
|
10
|
5
|
7
|
0
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1873 |
12 |
| BYD Company Limited | 6476 |
10 |
| National Steel Car Limited | 149 |
6 |
| Bode - Die Tür GmbH | 69 |
4 |
| Bombardier Transportation GmbH | 571 |
3 |
| Gebr. Bode GmbH & Co. KG | 59 |
3 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
3 |
| Siemens AG Österreich | 318 |
2 |
| BNSF Logistics, LLC | 53 |
2 |
| CRRC Tangshan Co., Ltd. | 279 |
2 |
| Isoclima S.p.A. | 43 |
2 |
| Rutgers, The State University of New Jersey | 1973 |
2 |
| Stadler Rail AG | 36 |
2 |
| Speedinnov | 21 |
2 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 184 |
2 |
| Siemens AG | 24029 |
1 |
| Alstom Holdings | 630 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 405 |
1 |
| Kaba Gilgen AG | 3 |
1 |
| Savannah River Nuclear Solutions, LLC | 50 |
1 |
| Other owners | 13 |