B61L 27/50
Trackside diagnosis or maintenance
Official title: Trackside diagnosis or maintenance, e.g. software upgrades
B61L27/50 (Trackside diagnosis or maintenance) appears on 607 US grants and 848 published applications in this corpus.
Search patents in B61L- Granted patents
- 607
- Published applications
- 848
- Assignees
- 297
- Inventors
- 1,730
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 9 | 15 |
| 2003 | 7 | 3 |
| 2004 | 6 | 9 |
| 2005 | 6 | 10 |
| 2006 | 6 | 4 |
| 2007 | 5 | 10 |
| 2008 | 2 | 3 |
| 2009 | 3 | 9 |
| 2010 | 7 | 12 |
| 2011 | 7 | 8 |
| 2012 | 11 | 9 |
| 2013 | 7 | 14 |
| 2014 | 11 | 30 |
| 2015 | 19 | 21 |
| 2016 | 25 | 61 |
| 2017 | 36 | 63 |
| 2018 | 39 | 39 |
| 2019 | 45 | 54 |
| 2020 | 43 | 57 |
| 2021 | 36 | 73 |
| 2022 | 35 | 70 |
| 2023 | 51 | 84 |
| 2024 | 71 | 61 |
| 2025 | 65 | 79 |
| 2026 | 46 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Train preparation method and gateway for a train preparation method6 Oct 2026US 12,752,825 B2Siemens Mobility GmbH
- Train consist build optimization29 Sep 2026US 12,746,957 B2Progress Rail Locomotive Inc.
- Railway management system with brake calculation and related method29 Sep 2026US 12,746,959 B2Wsp Global, Inc.
- Sensor to sensor edge traffic inference, system and method22 Sep 2026US 12,741,683 B2Konux GmbH
- Systems and methods for railway asset management15 Sep 2026US 12,735,082 B2Amsted Rail Company, Inc.
- Apparatuses, systems, and methods for monitoring moving vehicles8 Oct 2026US 2026/0307693 A1Georgia Tech Research Corporation
- Vehicle system and method1 Oct 2026US 2026/0296509 A1Transportation IP Holdings, LLC
- Fully automatic train supervision system, method, device, and storage medium10 Sep 2026US 2026/0264729 A1Casco Signal Ltd.
- Vehicle predictive control system and method20 Aug 2026US 2026/0241966 A1Transportation IP Holdings, LLC
- Control system and method for a rail-track system20 Aug 2026US 2026/0241967 A1Magway Limited
Most cited
By later US patents
- Method and system for identifying repeatedly malfunctioning equipment329US 6,691,064 B2General Electric Company · 2004
- Vehicle maintenance management system and method300US 6,301,531 B1General Electric Company · 2001
- Automated wireless preventive maintenance monitoring system for magnetic levitation (MAGLEV) trains and other vehicles243US 5,445,347 AHughes Aircraft Company · 1995
- Method and system for identifying critical faults in machines189US 6,324,659 B1General Electric Company · 2001
- Method and system for remotely managing communication of data used for predicting malfunctions in a plurality of machines158US 6,338,152 B12002