- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 25/00 - Window arrangements peculiar to rail vehicles
Patent holdings for IPC class B61D 25/00
Total number of patents in this class: 135
10-year publication summary
|
13
|
14
|
12
|
7
|
15
|
6
|
13
|
9
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1893 |
18 |
| CRRC Qingdao Sifang Co., Ltd. | 410 |
8 |
| Siemens AG | 23956 |
7 |
| CRRC Tangshan Co., Ltd. | 282 |
7 |
| Saint-Gobain Sekurit France | 848 |
7 |
| Saint-Gobain Glass France | 3243 |
6 |
| Bombardier Transportation GmbH | 559 |
5 |
| Isoclima S.p.A. | 43 |
4 |
| Siemens AG Österreich | 318 |
3 |
| Alstom Holdings | 630 |
3 |
| Dynamic Metals, LLC | 6 |
3 |
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 153 |
3 |
| Nippon Electric Glass Co., Ltd. | 2567 |
3 |
| Toho Sheet & Frame Co., Ltd | 5 |
3 |
| Siemens Mobility Austria GmbH | 195 |
3 |
| Hitachi, Ltd. | 16206 |
2 |
| Asahi Glass Company, Limited | 2597 |
2 |
| Boe Technology Group Co., Ltd. | 44653 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3940 |
2 |
| Beijing Hang Bo New Material Technology Co., Ltd | 2 |
2 |
| Other owners | 42 |