B61L 1/14
Devices for indicating the passing of the end of the vehicle or
Official title: Devices for indicating the passing of the end of the vehicle or train
B61L1/14 (Devices for indicating the passing of the end of the vehicle or) appears on 26 US grants and 26 published applications in this corpus.
Search patents in B61L- Granted patents
- 26
- Published applications
- 26
- Assignees
- 27
- Inventors
- 79
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 4 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Traffic communication system, base station, vehicle, mobile station, and message transmission method29 Apr 2025US 12,286,143 B2KYOCERA Corporation
- System and method for real-time detection of trains22 Oct 2024US 12,122,435 B2Charter Communications Operating, LLC
- End-of-train device with audio support4 Jun 2024US 11,999,391 B2Siemens Mobility GmbH
- Method and apparatus for identifying properties of a vehicle, computer program product and computer-readable medium for storing and/or providing the computer program product16 Apr 2024US 11,958,515 B2Siemens Mobility GmbH
- System and method for short vehicle detection20 Feb 2024US 11,904,916 B2Siemens Mobility GmbH
- Measurement Method, Measurement Apparatus, Measurement System, And Non-Transitory Computer-Readable Storage Medium Storing Measurement Program25 Sep 2025US 2025/0298051 A1Seiko Epson Corporation
- Early warning system for shove track protection28 Mar 2024US 2024/0101172 A1Miller Felpax Corporation
- Method and apparatus for identifying properties of a vehicle, computer program product and computer-readable medium for storing and/or providing the computer program product1 Jun 2023US 2023/0166781 A1Siemens Mobility GmbH
- Systems and methods for determining passage status of a train at a railroad crossing30 Mar 2023US 2023/0100640 A1Ford Global Technologies, LLC
- End-of-train device with audio support23 Mar 2023US 2023/0088607 A1Siemens Mobility GmbH
Most cited
By later US patents
- Detector for sensing motion and direction of a railway device107US 6,087,950 AUnion Switch & Signal Inc. · 2000
- Method and apparatus for determining the overall length of a train69US 6,081,769 AWabtec Corporation · 2000
- Railway vehicle detection44US 8,157,218 B2Westinghouse Brake and Signal Holdings Limited · 2012
- Computing the length of a railway vehicle or a train of such vehicles27US 5,036,478 AWestinghouse Brake and Signal Holdings Limited · 1991
- Railway track circuit23US 4,467,430 ACompagnie de Signaux et d'Entreprises Electriques · 1984