- All sections
- B - Performing operations; transporting
- B61L - Guiding railway traffic; ensuring the safety of railway traffic
- B61L 27/40 - Handling position reports or trackside vehicle data
Patent holdings for IPC class B61L 27/40
Total number of patents in this class: 86
10-year publication summary
|
0
|
1
|
0
|
2
|
5
|
16
|
21
|
13
|
24
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1550 |
11 |
| BNSF Railway Company | 328 |
5 |
| BYD Company Limited | 3700 |
5 |
| Westinghouse Air Brake Technologies Corporation | 521 |
5 |
| Casco Signal Ltd. | 34 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Amsted Rail Company, Inc. | 432 |
3 |
| Parallel Systems, Inc. | 18 |
3 |
| TTX Company | 119 |
3 |
| Traffic Control Technology Co., Ltd | 31 |
3 |
| Cattron North America, Inc. | 137 |
3 |
| Transportation IP Holdings, LLC | 843 |
3 |
| Progress Rail Services Corp | 225 |
2 |
| Metrom Rail, LLC | 47 |
2 |
| Siemens AG | 24990 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Aktiebolaget SKF | 2700 |
1 |
| Alstom Transport Technologies | 566 |
1 |
| Avante International Technology, Inc. | 29 |
1 |
| Other owners | 23 |