- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 27/14 - Following schedules
Patent holdings for IPC class B61L 27/14
Total number of patents in this class: 35
10-year publication summary
|
0
|
0
|
1
|
1
|
3
|
3
|
6
|
10
|
2
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Transportation IP Holdings, LLC | 932 |
7 |
| Mitsubishi Electric Corporation | 46295 |
3 |
| Toshiba Corporation | 12383 |
2 |
| Hitachi, Ltd. | 15531 |
2 |
| Amazon Technologies, Inc. | 26841 |
2 |
| BYD Company Limited | 5064 |
2 |
| Casco Signal Ltd. | 59 |
2 |
| Korea Railroad Research Institute | 177 |
2 |
| Siemens Mobility GmbH | 1727 |
2 |
| Siemens Mobility AG | 14 |
2 |
| BNSF Railway Company | 431 |
1 |
| Tata Consultancy Services Limited | 2354 |
1 |
| Progress Rail Locomotive Inc. | 321 |
1 |
| Toshiba Infrastructure Systems & Solutions Corporation | 1004 |
1 |
| Siemens Mobility, Inc. | 360 |
1 |
| Traffic Control Technology Co., Ltd | 31 |
1 |
| Siemens Mobility SAS | 62 |
1 |
| Casco Signal Co., Ltd. | 146 |
1 |
| ALSTOM Holdings | 10 |
1 |
| Other owners | 0 |