- All sections
- B - Performing operations; transporting
- 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: 134
10-year publication summary
|
16
|
23
|
21
|
10
|
9
|
10
|
8
|
10
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24565 |
7 |
| Hitachi, Ltd. | 15226 |
6 |
| Alstom Transport Technologies | 264 |
5 |
| Siemens Mobility GmbH | 1644 |
5 |
| Bombardier Transportation GmbH | 655 |
3 |
| CRRC Qingdao Sifang Co., Ltd. | 372 |
3 |
| Harsco Technologies LLC | 152 |
3 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 177 |
3 |
| Mitsubishi Electric Corporation | 44851 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
2 |
| Amazon Technologies, Inc. | 25909 |
2 |
| JVC Kenwood Corporation | 2919 |
2 |
| The Yokohama Rubber Co., Ltd. | 3961 |
2 |
| Bradken Resources Pty Limited | 156 |
2 |
| East Japan Railway Company | 62 |
2 |
| Fccl Partnership | 38 |
2 |
| John L. Gunn Trust | 5 |
2 |
| Korea Railroad Research Institute | 174 |
2 |
| Mitsubishi Aircraft Corporation | 139 |
2 |
| National Steel Car Limited | 149 |
2 |
| Other owners | 75 |