- 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: 132
10-year publication summary
|
12
|
13
|
14
|
12
|
7
|
15
|
6
|
13
|
9
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1711 |
16 |
| Saint-Gobain Glass France | 3766 |
12 |
| CRRC Qingdao Sifang Co., Ltd. | 380 |
8 |
| Siemens AG | 24525 |
7 |
| CRRC Tangshan Co., Ltd. | 255 |
7 |
| Bombardier Transportation GmbH | 647 |
6 |
| Isoclima S.p.A. | 43 |
4 |
| Siemens AG Österreich | 315 |
3 |
| Alstom Holdings | 609 |
3 |
| Dynamic Metals, LLC | 6 |
3 |
| Nippon Electric Glass Co., Ltd. | 2453 |
3 |
| Hitachi, Ltd. | 15467 |
2 |
| Asahi Glass Company, Limited | 2802 |
2 |
| Boe Technology Group Co., Ltd. | 40814 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3879 |
2 |
| Beijing Hang Bo New Material Technology Co., Ltd | 2 |
2 |
| Changchun Railway Vehicles Co., Ltd. | 39 |
2 |
| China Building Materials Academy | 24 |
2 |
| Hokkaido Railway Company | 5 |
2 |
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 151 |
2 |
| Other owners | 42 |