H04L 2012/40293
The transportation system being a train
Official title: {the transportation system being a train}
H04L2012/40293 (The transportation system being a train) appears on 77 US grants and 91 published applications in this corpus.
Search patents in H04L- Granted patents
- 77
- Published applications
- 91
- Assignees
- 43
- Inventors
- 238
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 6 |
| 2011 | 2 | 5 |
| 2012 | 3 | 4 |
| 2013 | 4 | 4 |
| 2014 | 8 | 8 |
| 2015 | 5 | 14 |
| 2016 | 2 | 6 |
| 2017 | 8 | 6 |
| 2018 | 6 | 4 |
| 2019 | 8 | 2 |
| 2020 | 3 | 9 |
| 2021 | 4 | 6 |
| 2022 | 6 | 5 |
| 2023 | 2 | 1 |
| 2024 | 7 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Full-electronic turnout security control system for train-to-train communication and method thereof27 Jan 2026US 12,537,715 B2Casco Signal Ltd.
- Method for implementing real-time soft bus oriented to intelligent rail transit system11 Mar 2025US 12,250,093 B2Casco Signal Ltd.
- Wireless backhauling system using a mono-tunnel for fast-moving mobile domains24 Dec 2024US 12,177,943 B2Cisco Technology, Inc.
- Wireless vehicle area network having connected brake sensors29 Oct 2024US 12,133,148 B2Sensata Technologies, Inc.
- Tractor trailer vehicle area network with trailer sub-network22 Oct 2024US 12,127,086 B2Sensata Technologies, Inc.
- Test information management system, test information management apparatus, information conversion apparatus, and test information management method28 Aug 2025US 2025/0274374 A1Mitsubishi Electric Corporation
- Method for implementing real-time soft bus oriented to intelligent rail transit system30 May 2024US 2024/0179024 A1Casco Signal Ltd.
- Systems and methods for reconfigurable on-vehicle data routing4 Jan 2024US 2024/0005706 A1Honeywell International Inc.
- Full-electronic turnout security control system for train-to-train communication and method thereof10 Aug 2023US 2023/0254180 A1Casco Signal Ltd.
- Wireless vehicle area network having connected brake sensors14 Jul 2022US 2022/0221016 A1Sensata Technologies, Inc.
Most cited
By later US patents
- Communications system and method for interconnected networks having a linear topology, especially railways71US 6,400,281 B12002
- 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
- Method and apparatus for christening a trainline monitor system20US 5,353,413 AAEG Transportation Systems, Inc. · 1994
- Communications system and method for interconnected networks having a linear topology, especially railways19US 6,867,708 B22005
- Intra-train communication network18US 6,680,918 B1New York Air Brake Corporation · 2004