B61L 15/0018
Communication with or on the vehicle or train
Official title: {Communication with or on the vehicle or train}
B61L15/0018 (Communication with or on the vehicle or train) appears on 994 US grants and 1,172 published applications in this corpus.
Search patents in B61L- Granted patents
- 994
- Published applications
- 1,172
- Assignees
- 303
- Inventors
- 1,949
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 7 |
| 2003 | 8 | 14 |
| 2004 | 6 | 9 |
| 2005 | 11 | 13 |
| 2006 | 15 | 14 |
| 2007 | 2 | 10 |
| 2008 | 4 | 8 |
| 2009 | 2 | 11 |
| 2010 | 7 | 25 |
| 2011 | 5 | 24 |
| 2012 | 23 | 26 |
| 2013 | 20 | 54 |
| 2014 | 48 | 63 |
| 2015 | 52 | 66 |
| 2016 | 52 | 90 |
| 2017 | 69 | 69 |
| 2018 | 61 | 92 |
| 2019 | 78 | 95 |
| 2020 | 73 | 100 |
| 2021 | 71 | 91 |
| 2022 | 70 | 78 |
| 2023 | 51 | 76 |
| 2024 | 75 | 60 |
| 2025 | 79 | 47 |
| 2026 | 41 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and systems for decentralized rail signaling and positive train control6 Oct 2026US 12,752,823 B2Metrom Rail, LLC
- Intrusion detection6 Oct 2026US 12,752,827 B2International Electronic Machines Corp.
- Handbrake and impact monitoring system8 Sep 2026US 12,728,900 B2TTX Company
- Method and apparatus for a train control system8 Sep 2026US 12,728,901 B2
- Train operation control method, vehicle on-board controller, and train18 Aug 2026US 12,709,315 B2BYD Company Limited
- Connector and system8 Oct 2026US 2026/0312341 A1HARTING International Innovation AG
- Vehicle system and method1 Oct 2026US 2026/0296509 A1Transportation IP Holdings, LLC
- Methods and systems for achieving vital ultra-wideband (uwb) based train control17 Sep 2026US 2026/0274312 A1Metrom Rail, LLC
- System and method for inferring vehicle route switch status17 Sep 2026US 2026/0274315 A1Transportation IP Holdings, LLC
- Crowdsensing-based method for generating temporary speed restriction of train3 Sep 2026US 2026/0257704 A1Casco Signal Ltd.
Most cited
By later US patents
- Automated wireless preventive maintenance monitoring system for magnetic levitation (MAGLEV) trains and other vehicles243US 5,445,347 AHughes Aircraft Company · 1995
- Communication system and method for a rail vehicle consist234US 8,825,239 B2General Electric Company · 2014
- Current carrier tractor-trailer data link204US 5,142,278 AQUALCOMM Incorporated · 1992
- Ground-based mobile maintenance facilities for unmanned aerial vehicles189US 9,718,564 B1Amazon Technologies, Inc. · 2017
- Fault monitoring and reporting system for trains187US 4,041,470 AIndustrial Solid State Controls, Inc. · 1977