- 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: 42
10-year publication summary
|
13
|
5
|
2
|
0
|
1
|
1
|
2
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45024 |
5 |
| Alstom Transport Technologies | 264 |
4 |
| Westinghouse Air Brake Technologies Corporation | 512 |
3 |
| GE Global Sourcing LLC | 904 |
3 |
| Beijing Jiaotong University | 146 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8569 |
1 |
| Toshiba Corporation | 12089 |
1 |
| Robert Bosch GmbH | 41906 |
1 |
| Siemens S.A.S. | 48 |
1 |
| Thales Canada Inc. | 106 |
1 |
| BNSF Railway Company | 372 |
1 |
| Casco Signal Ltd. | 48 |
1 |
| Custom Diamond International Inc. | 1 |
1 |
| Harsco Technologies LLC | 150 |
1 |
| Hyperloop Technologies, Inc. | 182 |
1 |
| Meteorcomm LLC | 52 |
1 |
| Mitsubishi Electric Research Laboratories, Inc. | 1043 |
1 |
| Railway Metrics and Dynamics Sweden AB | 7 |
1 |
| SmartDrive Systems, Inc. | 183 |
1 |
| Toshiba Solutions Corporation | 265 |
1 |
| Other owners | 10 |