- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 41/04 - Indicators for reserved seats
Patent holdings for IPC class B61D 41/04
Total number of patents in this class: 14
10-year publication summary
|
1
|
1
|
5
|
1
|
3
|
0
|
0
|
0
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24029 |
2 |
| Bombardier Transportation GmbH | 571 |
2 |
| Siemens Mobility GmbH | 1873 |
2 |
| International Business Machines Corporation | 62634 |
1 |
| Alstom Holdings | 630 |
1 |
| Eao AG | 5 |
1 |
| ITALDESIGN-GIUGIARO S.p.A. | 121 |
1 |
| Siemens Enterprise Communications GmbH & Co. KG | 82 |
1 |
| Televic Rail NV | 25 |
1 |
| Aporta Digital ApS | 2 |
1 |
| DISH Network Technologies India Private Limited | 441 |
1 |
| Other owners | 0 |