- 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: 93
10-year publication summary
|
4
|
11
|
11
|
8
|
4
|
10
|
5
|
5
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility, Inc. | 376 |
9 |
| Siemens Mobility GmbH | 1873 |
6 |
| Thales Management & Services Deutschland GmbH | 61 |
5 |
| Siemens AG | 24029 |
4 |
| Harsco Technologies LLC | 139 |
4 |
| BNSF Railway Company | 541 |
3 |
| Bombardier Transportation (ZWUS) Polska Sp. z o. o. | 4 |
3 |
| Pintsch GmbH | 35 |
3 |
| Konux GmbH | 32 |
3 |
| KB Signaling Inc. | 127 |
3 |
| General Electric Company | 13899 |
2 |
| Alstom Holdings | 630 |
2 |
| Amsted Rail Company, Inc. | 423 |
2 |
| Kyosan Electric Mfg. Co., Ltd. | 183 |
2 |
| Railway Equipment Company, Inc. | 40 |
2 |
| Frauscher Sensortechnik GmbH | 48 |
2 |
| Beijing National Railway Research & Design Institute of Signal & Communication Group Co., Ltd. | 12 |
2 |
| Crsc Research & Design Institute Group Co., Ltd. | 163 |
2 |
| Rockwell Automation Technologies, Inc. | 2803 |
1 |
| Thales Canada Inc. | 105 |
1 |
| Other owners | 32 |