B61L 17/023
Signalling
Official title: {Signalling; Signals with multiple indicating means}
B61L17/023 (Signalling) appears on 4 US grants and 10 published applications in this corpus.
Search patents in B61L- Granted patents
- 4
- Published applications
- 10
- Assignees
- 7
- Inventors
- 41
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for improving shunting route setting of centralized traffic control system, device and medium31 Mar 2026US 12,589,786 B2Casco Signal Ltd.
- Time-space network based multi-objective systems and methods for optimal rail car stacking at a railroad merchandise yard15 Jul 2025US 12,358,543 B2BNSF Railway Company
- Local operation system9 Jul 2024US 12,030,540 B2Israel Railways Ltd.
- Monitoring status of railyard equipment using wireless sensing devices17 Jun 2008US 7,388,483 B2General Electric Company
- Method and system for obstacle identification during and after train coupling30 Jul 2026US 2026/0217292 A1Siemens Mobility GmbH
- Systems and methods for detecting applied railcar brakes using thermal imaging26 Feb 2026US 2026/0054755 A1BNSF Railway Company
- Time-space network based multi-objective systems and methods for optimal rail car stacking at a railroad merchandise yard27 Nov 2025US 2025/0360953 A1BNSF Railway Company
- Interconnection and intercommunication method and system for virtual marshalling train control system in heavy haul railway5 Jun 2025US 2025/0178654 A1Casco Signal Ltd.
- Method for improving shunting route setting of centralized traffic control system, device and medium30 Jan 2025US 2025/0033681 A1Casco Signal Ltd.
Most cited
By later US patents