B61L 27/53
For trackside elements or systems
Official title: for trackside elements or systems, e.g. trackside supervision of trackside control system conditions
B61L27/53 (For trackside elements or systems) appears on 273 US grants and 399 published applications in this corpus.
Search patents in B61L- Granted patents
- 273
- Published applications
- 399
- Assignees
- 176
- Inventors
- 866
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 6 |
| 2008 | 1 | 1 |
| 2009 | 1 | 5 |
| 2010 | 2 | 5 |
| 2011 | 4 | 4 |
| 2012 | 5 | 5 |
| 2013 | 3 | 5 |
| 2014 | 3 | 19 |
| 2015 | 10 | 14 |
| 2016 | 13 | 25 |
| 2017 | 16 | 15 |
| 2018 | 16 | 21 |
| 2019 | 23 | 29 |
| 2020 | 21 | 20 |
| 2021 | 15 | 35 |
| 2022 | 19 | 33 |
| 2023 | 23 | 55 |
| 2024 | 36 | 28 |
| 2025 | 34 | 41 |
| 2026 | 19 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Railroad engineering asset management systems and methods25 Aug 2026US 12,718,159 B2BNSF Railway Company
- System for testing railroad crossing signals28 Jul 2026US 12,691,917 B2BNSF Railway Company
- Positioning configuration design device, positioning configuration design method, and program7 Jul 2026US 12,673,584 B2Mitsubishi Heavy Industries, Ltd.
- Apparatuses, systems, and methods for monitoring moving vehicles8 Oct 2026US 2026/0307693 A1Georgia Tech Research Corporation
- Control system and method for a rail-track system20 Aug 2026US 2026/0241967 A1Magway Limited
- Prediction of cyclic top events20 Aug 2026US 2026/0241968 A1Network Rail Infrastructure Limited
- Signal system switchover method, system, device and medium13 Aug 2026US 2026/0233767 A1Casco Signal Ltd.
- Railroad switch actuation system, railroad switch and method for recording data for determining a state of wear of such a railroad switch actuation system and/or railroad switch13 Aug 2026US 2026/0233769 A1Axo Track GmbH
Most cited
By later US patents
- Railway operation monitoring and diagnosing systems109US 6,125,311 AMaryland Technology Corporation · 2000
- Track database integrity monitor for enhanced railroad safety distributed power71US 6,434,452 B1General Electric Company · 2002
- Geometric track and track/vehicle analyzers and methods for controlling railroad systems64US 7,164,975 B2Andian Technologies Ltd. · 2007
- Method and system for automated fault reporting63US 6,863,246 B2Quantum Engineering, Inc. · 2005
- Geometric track and track/vehicle analyzers and methods for controlling railroad systems62US 6,681,160 B2Andian Technologies Ltd. · 2004