B61L 3/127
For remote control of locomotives
Official title: {for remote control of locomotives (remote control of locomotives within a train consist B61C17/12)}
B61L3/127 (For remote control of locomotives) appears on 113 US grants and 137 published applications in this corpus.
Search patents in B61L- Granted patents
- 113
- Published applications
- 137
- Assignees
- 45
- Inventors
- 196
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 15 |
| 2004 | 5 | 13 |
| 2005 | 6 | 10 |
| 2006 | 6 | 3 |
| 2007 | 7 | 3 |
| 2008 | 0 | 2 |
| 2009 | 4 | 3 |
| 2010 | 4 | 4 |
| 2011 | 1 | 5 |
| 2012 | 7 | 4 |
| 2013 | 6 | 5 |
| 2014 | 4 | 5 |
| 2015 | 2 | 1 |
| 2016 | 4 | 6 |
| 2017 | 3 | 7 |
| 2018 | 2 | 8 |
| 2019 | 4 | 7 |
| 2020 | 8 | 9 |
| 2021 | 8 | 4 |
| 2022 | 5 | 7 |
| 2023 | 5 | 7 |
| 2024 | 7 | 3 |
| 2025 | 4 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle communication system2 Jun 2026US 12,643,542 B2Transportation IP Holdings, LLC
- Vehicle control systems and methods17 Mar 2026US 12,576,896 B2Transportation IP Holdings, LLC
- Systems and methods for remotely controlling locomotives with gestures4 Nov 2025US 12,462,612 B2Cattron North America, Inc.
- Systems, methods and devices for remote control locomotive training7 Oct 2025US 12,437,664 B2Cattron North America, Inc.
- System and/or method for remote operation of a rail vehicle24 Jun 2025US 12,337,885 B2Parallel Systems, Inc.
- System and/or method for remote operation of a rail vehicle18 Sep 2025US 2025/0289488 A1Parallel Systems, Inc.
- Vehicle control systems and methods6 Mar 2025US 2025/0074486 A1Transportation IP Holdings, LLC
- System and/or method for remote operation of a rail vehicle22 Aug 2024US 2024/0278817 A1Parallel Systems, Inc.
- System and/or method for remote operation of a rail vehicle23 May 2024US 2024/0166250 A1Parallel Systems, Inc.
- Systems and methods for remotely controlling locomotives with gestures25 Apr 2024US 2024/0135752 A1Cattron North America, Inc.
Most cited
By later US patents
- Remote control system for a locomotive80US 5,685,507 ACanac International, Inc. · 1997
- Remote control system for a locomotive64US 5,511,749 ACanac International, Inc. · 1996
- Operator location tracking for remote control rail yard switching51US 7,239,943 B2General Electric Company · 2007
- Remote control system for locomotives47US 6,449,536 B1Canac Inc. · 2002
- Remote control system for a locomotive with solid state tilt sensor46US 6,470,245 B1Canac Inc. · 2002