- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 1/02 - Electric devices associated with track
Patent holdings for IPC class B61L 1/02
Total number of patents in this class: 84
10-year publication summary
|
9
|
4
|
11
|
11
|
8
|
4
|
10
|
4
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility, Inc. | 341 |
9 |
| Siemens Mobility GmbH | 1644 |
6 |
| Thales Management & Services Deutschland GmbH | 62 |
5 |
| Siemens AG | 24568 |
4 |
| Harsco Technologies LLC | 152 |
4 |
| Bombardier Transportation (ZWUS) Polska Sp. z o. o. | 4 |
3 |
| Konux GmbH | 29 |
3 |
| KB Signaling Inc. | 101 |
3 |
| General Electric Company | 17794 |
2 |
| Alstom Holdings | 510 |
2 |
| Amsted Rail Company, Inc. | 436 |
2 |
| BNSF Railway Company | 369 |
2 |
| Kyosan Electric Mfg. Co., Ltd. | 170 |
2 |
| Railway Equipment Company, Inc. | 40 |
2 |
| Frauscher Sensortechnik GmbH | 49 |
2 |
| Beijing National Railway Research & Design Institute of Signal & Communication Group Co., Ltd. | 12 |
2 |
| Rockwell Automation Technologies, Inc. | 2667 |
1 |
| Thales Canada Inc. | 106 |
1 |
| Thales Holdings UK PLC | 118 |
1 |
| Siemens Industry, Inc. | 1431 |
1 |
| Other owners | 27 |