- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 27/16 - Trackside optimisation of vehicle or train operation
Patent holdings for IPC class B61L 27/16
Total number of patents in this class: 183
10-year publication summary
|
1
|
0
|
2
|
5
|
10
|
19
|
31
|
37
|
41
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BNSF Railway Company | 554 |
31 |
| Transportation IP Holdings, LLC | 1007 |
15 |
| Parallel Systems, Inc. | 40 |
13 |
| Casco Signal Ltd. | 84 |
11 |
| Siemens Mobility GmbH | 1892 |
10 |
| Hitachi, Ltd. | 16194 |
8 |
| Progress Rail Locomotive Inc. | 337 |
8 |
| Progress Rail Services Corp | 217 |
4 |
| BYD Company Limited | 6566 |
4 |
| Casco Signal Co., Ltd. | 202 |
4 |
| Mitsubishi Electric Corporation | 48287 |
3 |
| Beijing Jiaotong University | 178 |
3 |
| Murata Machinery, Ltd. | 1609 |
3 |
| Technological Resources Pty. Limited | 441 |
3 |
| Cattron North America, Inc. | 146 |
3 |
| Pipedream Laboratories, Inc. | 4 |
3 |
| NEC Corporation | 37312 |
2 |
| Toshiba Corporation | 12660 |
2 |
| Daifuku Co., Ltd. | 1100 |
2 |
| Tata Consultancy Services Limited | 2587 |
2 |
| Other owners | 49 |