- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 49/00 - Other details
Patent holdings for IPC class B61D 49/00
Total number of patents in this class: 147
10-year publication summary
|
23
|
21
|
10
|
9
|
10
|
9
|
11
|
8
|
16
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1893 |
9 |
| Siemens AG | 23956 |
6 |
| Hitachi, Ltd. | 16206 |
6 |
| Alstom Holdings | 630 |
4 |
| CRRC Qingdao Sifang Co., Ltd. | 410 |
4 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 186 |
4 |
| Mitsubishi Electric Corporation | 48351 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
2 |
| Amazon Technologies, Inc. | 28264 |
2 |
| JVC Kenwood Corporation | 3145 |
2 |
| The Yokohama Rubber Co., Ltd. | 4109 |
2 |
| Bombardier Transportation GmbH | 559 |
2 |
| Bradken Resources Pty Limited | 146 |
2 |
| East Japan Railway Company | 63 |
2 |
| Fccl Partnership | 41 |
2 |
| Gunderson LLC | 73 |
2 |
| Harsco Technologies LLC | 138 |
2 |
| John L. Gunn Trust | 3 |
2 |
| Korea Railroad Research Institute | 184 |
2 |
| Mitsubishi Aircraft Corporation | 124 |
2 |
| Other owners | 86 |