B61L 5/125
Fixed signals, beacons, or the like
Official title: {Fixed signals, beacons, or the like}
B61L5/125 (Fixed signals, beacons, or the like) appears on 13 US grants and 12 published applications in this corpus.
Search patents in B61L- Granted patents
- 13
- Published applications
- 12
- Assignees
- 9
- Inventors
- 31
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 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 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Concealed asset locator11 Mar 2025US 12,246,766 B2Siemens Mobility GmbH
- Fixed signage and method for use of same4 Mar 2025US 12,240,512 B2RailPros Field Services, Inc.
- Positioning and odometry system2 Apr 2024US 11,945,480 B2Ground Transportation Systems Canada Inc.
- Guideway mounted vehicle localization and alignment system and method22 Feb 2022US 11,254,338 B2Thales Canada Inc.
- Method and device for determining a signal aspect for a rail vehicle29 Oct 2019US 10,457,301 B2Siemens Mobility GmbH
- Culvert Marker16 Oct 2025US 2025/0319912 A1Culvert Marker Company, LLC
- Concealed asset locator8 Dec 2022US 2022/0388552 A1Siemens Mobility GmbH
- Fixed Signage and Method for Use of Same10 Nov 2022US 2022/0355837 A1RailPros Field Services, Inc.
- Positioning and odometry system10 Jun 2021US 2021/0171079 A1Thales Canada Inc.
- BlueflagProtection Automatic LED Display Dampened Foot Released Sign Pole Systems29 Aug 2019US 2019/0266926 A1
Most cited
By later US patents
- Monitoring status of railyard equipment using wireless sensing devices12US 7,388,483 B2General Electric Company · 2008
- Railroad signaling method and apparatus10US 5,791,605 A1998
- Temporary sign holder9US 6,386,492 B1National Railroad Passenger Corporation · 2002
- Track flag holder8US 5,905,216 A1999
- Remote control train warning apparatus3US 5,682,150 A1997