B61L 2205/00
Communication or navigation systems for railway traffic
B61L2205/00 (Communication or navigation systems for railway traffic) appears on 674 US grants and 767 published applications in this corpus.
Search patents in B61L- Granted patents
- 674
- Published applications
- 767
- Assignees
- 267
- Inventors
- 1,404
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 2 |
| 2002 | 20 | 16 |
| 2003 | 20 | 17 |
| 2004 | 15 | 51 |
| 2005 | 17 | 22 |
| 2006 | 25 | 25 |
| 2007 | 14 | 23 |
| 2008 | 9 | 10 |
| 2009 | 13 | 15 |
| 2010 | 18 | 15 |
| 2011 | 4 | 8 |
| 2012 | 13 | 12 |
| 2013 | 18 | 26 |
| 2014 | 18 | 13 |
| 2015 | 15 | 15 |
| 2016 | 24 | 40 |
| 2017 | 23 | 49 |
| 2018 | 32 | 48 |
| 2019 | 42 | 57 |
| 2020 | 41 | 58 |
| 2021 | 31 | 48 |
| 2022 | 34 | 47 |
| 2023 | 44 | 54 |
| 2024 | 50 | 44 |
| 2025 | 43 | 33 |
| 2026 | 32 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and systems for decentralized rail signaling and positive train control6 Oct 2026US 12,752,823 B2Metrom Rail, LLC
- Systems and methods for detecting tanks in railway environments1 Sep 2026US 12,722,670 B2BNSF Railway Company
- Systems and methods for independent checking and healing of positive train control systems25 Aug 2026US 12,715,489 B2BNSF Railway Company
- Fuel consumption system for locomotive18 Aug 2026US 12,709,308 B2Caterpillar Inc.
- System and method to determine a location of a designated position of a vehicle system4 Aug 2026US 12,698,019 B2Transportation IP Holdings, LLC
- Monitoring system and method8 Oct 2026US 2026/0307694 A1Transportation IP Holdings, LLC
- Vehicle system and method1 Oct 2026US 2026/0296509 A1Transportation IP Holdings, LLC
- Intersection management system17 Sep 2026US 2026/0274316 A1Transportation IP Holdings, LLC
- Method and system for cooling a traction component of a rail vehicle27 Aug 2026US 2026/0249890 A1Siemens Mobility GmbH
- System and method for a virtual approach signal6 Aug 2026US 2026/0225629 A1BNSF Railway Company
Most cited
By later US patents
- Local communication network for power reduction and enhanced reliability in a multiple node tracking system374US 5,691,980 AGeneral Electric Company · 1997
- Vehicle-based navigation system with smart map filtering, portable unit home-base registration and multiple navigation system preferential use356US 6,553,308 B1Donnelly Corporation · 2003
- Use of mutter mode in asset tracking for gathering data from cargo sensors327US 5,686,888 AGeneral Electric Company · 1997
- Vehicle maintenance management system and method300US 6,301,531 B1General Electric Company · 2001
- Railcar location using mutter networks and locomotive transmitter during transit292US 5,682,139 AGeneral Electric Company · 1997