- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 17/04 - Arrangement or disposition of driving cabins, footplates, or engine roomsVentilation thereof
Patent holdings for IPC class B61C 17/04
Total number of patents in this class: 138
10-year publication summary
|
14
|
7
|
14
|
7
|
11
|
9
|
5
|
8
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1882 |
24 |
| Siemens AG | 23996 |
17 |
| Bombardier Transportation GmbH | 570 |
13 |
| CRRC Tangshan Co., Ltd. | 279 |
7 |
| Alstom Holdings | 630 |
6 |
| Siemens AG Österreich | 318 |
5 |
| Progress Rail Services Corp | 219 |
4 |
| BYD Company Limited | 6509 |
4 |
| Progress Rail Locomotive Inc. | 337 |
4 |
| Speedinnov | 21 |
4 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
4 |
| GE Global Sourcing LLC | 861 |
3 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 184 |
3 |
| Hitachi, Ltd. | 16157 |
2 |
| CRRC Qingdao Sifang Co., Ltd. | 407 |
2 |
| Regie Autonome des Transports Parisiens | 7 |
2 |
| Stadler Rail AG | 36 |
2 |
| Stadler Altenrhein AG | 5 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3268 |
2 |
| CRRC Qishuyan Co., Ltd | 35 |
2 |
| Other owners | 26 |