B61L 13/00
Operation of signals from the vehicle or by the passage of the
Official title: Operation of signals from the vehicle or by the passage of the vehicle
B61L13/00 (Operation of signals from the vehicle or by the passage of the) appears on 46 US grants and 44 published applications in this corpus.
Search patents in B61L- Granted patents
- 46
- Published applications
- 44
- Assignees
- 33
- Inventors
- 98
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 6 |
| 2017 | 5 | 1 |
| 2018 | 2 | 7 |
| 2019 | 4 | 5 |
| 2020 | 3 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 7 |
| 2023 | 4 | 4 |
| 2024 | 4 | 3 |
| 2025 | 4 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Railway detection system, railway infrastructure and method for detecting the presence of a railway vehicle2 Jun 2026US 12,643,583 B2
- Train forewarning braking system13 Jan 2026US 12,522,267 B2
- System and method for guidance control on a wheeled bogie6 Jan 2026US 12,515,717 B2Dp World Logistics US Holdings, Inc.
- System and method for controlling a train travelling along a railway line2 Sep 2025US 12,403,943 B2
- System and method for traversing a non-moving rail switch using electromagnetic engines6 May 2025US 12,291,249 B2Hyperloop Technologies, Inc.
- Computer implemented method for determining railway vehicle movement profile type of a railway vehicle movement profile and controller of a track circuit system20 Mar 2025US 2025/0091625 A1ALSTOM Holdings
- Computer implemented method for determining railway vehicle movement profile type of a railway vehicle movement profile and controller of a track circuit system13 Feb 2025US 2025/0050922 A1Alstom Transport Technologies
- Train forewarning braking system4 Jul 2024US 2024/0217568 A1
- Railway detection system, railway infrastructure and method for detecting the presence of a railway vehicle9 May 2024US 2024/0149931 A1ALSTOM Holdings
- Linear induction motor drive for a high-speed transportation system28 Mar 2024US 2024/0101170 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Method and apparatus for controlling a vehicle28US 4,726,299 ARegents of the University of Minnesota · 1988
- Arrangement for a passive responder for a position finding system12US 3,940,765 ASiemens Aktiengesellschaft · 1976
- Vehicle protection system10US 4,742,460 AWestinghouse Brake & Signal Co. Ltd. · 1988
- Wayside signaling system for railroad cab signals and speed control9US 4,046,342 AWestinghouse Air Brake Company · 1977
- Speed proving method and apparatus6US 11,285,980 B2Rail Control Systems Australia Pty Ltd · 2022