- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 99/00 - Subject matter not provided for in other groups of this subclass
Patent holdings for IPC class B61L 99/00
Total number of patents in this class: 46
10-year publication summary
|
8
|
4
|
1
|
0
|
0
|
1
|
2
|
4
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46547 |
5 |
| Alstom Holdings | 612 |
3 |
| Westinghouse Air Brake Technologies Corporation | 503 |
3 |
| GE Global Sourcing LLC | 886 |
3 |
| Beijing Jiaotong University | 164 |
2 |
| Casco Signal Ltd. | 59 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
1 |
| Toshiba Corporation | 12500 |
1 |
| Robert Bosch GmbH | 42815 |
1 |
| Siemens S.A.S. | 45 |
1 |
| Thales Canada Inc. | 105 |
1 |
| BNSF Railway Company | 435 |
1 |
| Custom Diamond International Inc. | 1 |
1 |
| Harsco Technologies LLC | 146 |
1 |
| Hyperloop Technologies, Inc. | 180 |
1 |
| Meteorcomm LLC | 51 |
1 |
| Mitsubishi Electric Research Laboratories, Inc. | 1082 |
1 |
| Railway Metrics and Dynamics Sweden AB | 7 |
1 |
| SmartDrive Systems, Inc. | 188 |
1 |
| Toshiba Solutions Corporation | 261 |
1 |
| Other owners | 14 |