- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 27/60 - Testing or simulation
Patent holdings for IPC class B61L 27/60
Total number of patents in this class: 104
10-year publication summary
|
0
|
1
|
2
|
2
|
3
|
12
|
24
|
23
|
21
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BNSF Railway Company | 540 |
21 |
| Siemens Mobility GmbH | 1868 |
10 |
| Hitachi, Ltd. | 16071 |
9 |
| Progress Rail Services Corp | 220 |
6 |
| Casco Signal Ltd. | 78 |
5 |
| Mitsubishi Electric Corporation | 47971 |
4 |
| Technological Resources Pty. Limited | 443 |
4 |
| NEC Corporation | 36934 |
3 |
| Union Pacific Railroad Company | 62 |
3 |
| BYD Company Limited | 6463 |
2 |
| Transportation IP Holdings, LLC | 990 |
2 |
| Casco Signal Co., Ltd. | 202 |
2 |
| Konux GmbH | 32 |
2 |
| Caterpillar Inc. | 10272 |
1 |
| Carnegie Mellon University | 1619 |
1 |
| Deutsche Telekom AG | 1810 |
1 |
| Duos Technologies, Inc. | 31 |
1 |
| Istanbul Teknik Universitesi | 181 |
1 |
| Korea Railroad Research Institute | 185 |
1 |
| New York Air Brake LLC | 272 |
1 |
| Other owners | 24 |