- All sections
- B - Performing operations; transporting
- 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: 123
10-year publication summary
|
12
|
12
|
13
|
14
|
12
|
7
|
15
|
6
|
11
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Glass France | 3641 |
15 |
| Siemens Mobility GmbH | 1550 |
10 |
| CRRC Qingdao Sifang Co., Ltd. | 354 |
8 |
| Siemens AG | 24990 |
7 |
| CRRC Tangshan Co., Ltd. | 239 |
7 |
| Bombardier Transportation GmbH | 682 |
6 |
| Isoclima S.p.A. | 43 |
4 |
| Siemens AG Österreich | 316 |
3 |
| Dynamic Metals, LLC | 6 |
3 |
| Nippon Electric Glass Co., Ltd. | 2299 |
3 |
| Asahi Glass Company, Limited | 2985 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| Alstom Transport Technologies | 566 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
2 |
| Beijing Hang Bo New Material Technology Co., Ltd | 2 |
2 |
| Changchun Railway Vehicles Co., Ltd. | 40 |
2 |
| China Building Materials Academy | 19 |
2 |
| Hokkaido Railway Company | 6 |
2 |
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 150 |
2 |
| Nippon Sharyo, Ltd. | 79 |
2 |
| Other owners | 37 |