- All sections
- B - Performing operations; transporting
- B61D - Body details or kinds of railway vehicles
- B61D 17/06 - End walls
Patent holdings for IPC class B61D 17/06
Total number of patents in this class: 136
10-year publication summary
|
10
|
11
|
11
|
9
|
10
|
8
|
6
|
2
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Sharyo, Ltd. | 79 |
13 |
| CRRC Qingdao Sifang Co., Ltd. | 372 |
11 |
| Bombardier Transportation GmbH | 655 |
10 |
| Siemens Mobility GmbH | 1644 |
10 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3015 |
8 |
| Siemens AG | 24565 |
7 |
| Siemens AG Österreich | 315 |
6 |
| Voith Patent GmbH | 2736 |
6 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 177 |
5 |
| Gunderson LLC | 59 |
4 |
| National Steel Car Limited | 149 |
4 |
| CG Rail - Chinesisch-deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH | 19 |
4 |
| Hitachi, Ltd. | 15226 |
3 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 103 |
3 |
| West Japan Railway Company | 17 |
3 |
| Alstom Holdings | 510 |
2 |
| CNGmotive, Inc. | 18 |
2 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 84 |
2 |
| Dellner Couplers AB | 101 |
2 |
| CRRC Yangtze Co., Ltd. | 79 |
2 |
| Other owners | 29 |