- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 27/70 - Details of trackside communication
Patent holdings for IPC class B61L 27/70
Total number of patents in this class: 207
10-year publication summary
|
1
|
1
|
1
|
10
|
17
|
30
|
39
|
50
|
39
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1702 |
23 |
| Casco Signal Ltd. | 56 |
11 |
| Metrom Rail, LLC | 51 |
9 |
| Transportation IP Holdings, LLC | 926 |
9 |
| Mitsubishi Electric Corporation | 45811 |
8 |
| BYD Company Limited | 4804 |
7 |
| Casco Signal Co., Ltd. | 141 |
7 |
| Amsted Rail Company, Inc. | 431 |
6 |
| BNSF Railway Company | 413 |
6 |
| Parallel Systems, Inc. | 34 |
6 |
| Meteorcomm LLC | 52 |
5 |
| Westinghouse Air Brake Technologies Corporation | 504 |
5 |
| Progress Rail Services Corp | 234 |
4 |
| Hyperloop Technologies, Inc. | 182 |
3 |
| Thales Management & Services Deutschland GmbH | 62 |
3 |
| Fugro Technology B.V. | 41 |
2 |
| Innova Patent GmbH | 210 |
2 |
| Kyosan Electric Mfg. Co., Ltd. | 172 |
2 |
| Miller Felpax Corporation | 22 |
2 |
| National Railroad Passenger Corporation | 126 |
2 |
| Other owners | 85 |