B61L 15/0054
Train integrity supervision
Official title: {Train integrity supervision, e.g. end-of-train [EOT] devices}
B61L15/0054 (Train integrity supervision) appears on 153 US grants and 170 published applications in this corpus.
Search patents in B61L- Granted patents
- 153
- Published applications
- 170
- Assignees
- 69
- Inventors
- 312
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 4 | 3 |
| 2006 | 7 | 9 |
| 2007 | 2 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 4 |
| 2011 | 2 | 5 |
| 2012 | 4 | 4 |
| 2013 | 3 | 1 |
| 2014 | 5 | 6 |
| 2015 | 7 | 4 |
| 2016 | 3 | 6 |
| 2017 | 1 | 7 |
| 2018 | 5 | 9 |
| 2019 | 8 | 10 |
| 2020 | 12 | 24 |
| 2021 | 12 | 10 |
| 2022 | 8 | 21 |
| 2023 | 5 | 12 |
| 2024 | 14 | 10 |
| 2025 | 13 | 5 |
| 2026 | 8 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for signalling events through a visibility marker associated with a train28 Jul 2026US 12,691,915 B2Siemens Mobility GmbH
- Train control systems with hazard management and associated methods16 Jun 2026US 12,654,754 B2Siemens Mobility GmbH
- Braking system and method12 May 2026US 12,623,700 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
- Safety device21 Apr 2026US 12,606,220 B2
- System and method for selectively securing wireless vehicle communications26 Mar 2026US 2026/0089495 A1Transportation IP Holdings, LLC
- System and method for automatically checking an integrity of a guided vehicle15 Jan 2026US 2026/0019775 A1Siemens Rail Automation S.A.U.
- Method and system for the automated determination of the train integrity of a train2 Oct 2025US 2025/0304126 A1Siemens Mobility GmbH
- High throughput Communications system for End of Train and Head of Train Communications28 Aug 2025US 2025/0274332 A1
- Method, railroad car and computer program product for operating a railroad car group31 Jul 2025US 2025/0242847 A1Siemens Mobility GmbH
Most cited
By later US patents
- Radio-based electro-pneumatic control communications system125US 5,681,015 AWestinghouse Air Brake Company · 1997
- Detector for sensing motion and direction of a railway device107US 6,087,950 AUnion Switch & Signal Inc. · 2000
- Dual-protocol locomotive control system and method95US 6,322,025 B1Wabtec Railway Electronics, Inc. · 2001
- System and method for managing two or more locomotives of a consist82US 7,021,588 B2General Electric Company · 2006
- Process and arrangement for determining the position of at least one point of a track-guided vehicle77US 5,893,043 ADaimler-Benz Aktiengesellschaft · 1999