- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 29/30 - Supervision, e.g. monitoring arrangements
Patent holdings for IPC class B61L 29/30
Total number of patents in this class: 112
10-year publication summary
|
4
|
13
|
22
|
18
|
10
|
17
|
8
|
3
|
10
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility, Inc. | 346 |
25 |
| The Island Radar Company | 14 |
10 |
| KB Signaling Inc. | 100 |
9 |
| C.D.L. Electric Company, Inc. | 33 |
7 |
| Siemens Mobility GmbH | 1697 |
7 |
| Siemens Industry, Inc. | 1441 |
6 |
| Railway Equipment Company, Inc. | 35 |
6 |
| Siemens AG | 24562 |
5 |
| BNSF Railway Company | 407 |
4 |
| International Electronic Machines Corporation | 110 |
4 |
| Robert Bosch GmbH | 42354 |
2 |
| Qamcom Technology AB | 9 |
2 |
| Zions Bancorporation, N.A. DBA Zions First National Bank | 16 |
2 |
| RailPros Field Services, Inc. | 12 |
2 |
| General Electric Company | 17062 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8608 |
1 |
| Hitachi Kokusai Electric Inc. | 1024 |
1 |
| Siemens AG Österreich | 316 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 14224 |
1 |
| BYD Company Limited | 4713 |
1 |
| Other owners | 15 |