B61L 15/0063
Multiple on-board control systems
Official title: {Multiple on-board control systems, e.g. "2 out of 3"-systems}
B61L15/0063 (Multiple on-board control systems) appears on 109 US grants and 129 published applications in this corpus.
Search patents in B61L- Granted patents
- 109
- Published applications
- 129
- Assignees
- 55
- Inventors
- 303
- Latest grant
- 18 Aug 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 | 1 | 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 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 5 |
| 2014 | 7 | 7 |
| 2015 | 1 | 9 |
| 2016 | 6 | 9 |
| 2017 | 8 | 12 |
| 2018 | 10 | 7 |
| 2019 | 9 | 10 |
| 2020 | 8 | 12 |
| 2021 | 4 | 11 |
| 2022 | 5 | 12 |
| 2023 | 7 | 6 |
| 2024 | 7 | 10 |
| 2025 | 16 | 8 |
| 2026 | 11 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle positioning system18 Aug 2026US 12,709,314 B2Hitachi Rail GTS Canada Inc.
- Screen door control method supporting both coupling and baggage carriage21 Jul 2026US 12,686,422 B2Casco Signal Ltd.
- Method and system for transmitting enforceable instructions in vehicle control systems9 Jun 2026US 12,649,505 B2Transportation IP Holdings, LLC
- Automatic arming of a head-of-train device to an end-of-train device12 May 2026US 12,623,701 B2Siemens Mobility GmbH
- Beidou satellite-based initial train positioning calculation method and positioning system12 May 2026US 12,625,279 B2Casco Signal Ltd.
- Methods and systems for achieving vital ultra-wideband (uwb) based train control17 Sep 2026US 2026/0274312 A1Metrom Rail, LLC
- Wireless vehicle management system2 Jul 2026US 2026/0184355 A1Arup Ventures Limited
- Preplanned locomotive communications loss management25 Jun 2026US 2026/0175884 A1Progress Rail Locomotive Inc.
- Solid state switch, in particular for railway equipment22 Jan 2026US 2026/0025134 A1KB Signaling Inc.
- Screen door control method supporting both coupling and baggage carriage25 Dec 2025US 2025/0388246 A1Casco Signal Ltd.
Most cited
By later US patents
- Controller having a fail safe function, automatic train controller and system using the same33US 5,805,797 AHitachi, Ltd. · 1998
- Railroad communication system31US 6,854,691 B2General Electric Company · 2005
- Guideway mounted vehicle localization system26US 9,327,743 B2Thales Canada Inc. · 2016
- Method and apparatus for monitoring and switching over to a back-up bus in a redundant trainline monitor system25US 5,404,465 AAEG Transportation Systems, Inc. · 1995
- Speed decoding and speed error determining control apparatus and method18US 4,209,828 AWestinghouse Electric Corp. · 1980