B61L 23/30
Using automatic section blocking
Official title: using automatic section blocking
B61L23/30 (Using automatic section blocking) appears on 19 US grants and 23 published applications in this corpus.
Search patents in B61L- Granted patents
- 19
- Published applications
- 23
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 5 |
| 2019 | 3 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Train autonomous control system and method based on train-to-train communication5 Aug 2025US 12,377,893 B2Casco Signal Ltd.
- Route control program generation device, route control program generation method and program11 Feb 2025US 12,221,141 B2Mitsubishi Heavy Industries, Ltd.
- Vehicle control system, resource management device, vehicle control method, and program6 Feb 2024US 11,891,097 B2Mitsubishi Heavy Industries, Ltd.
- System and method for track occupancy determination3 May 2022US 11,318,971 B2Siemens Mobility GmbH
- System to determine clearance of an obstacle for a vehicle system22 Mar 2022US 11,279,386 B2Westinghouse Air Brake Technologies Corporation
- System and method for protecting a railroad grade crossing or railroad track section1 Jan 2026US 2026/0001580 A1Siemens Mobility GmbH
- Railroad crossing blockage detection and notification system10 Apr 2025US 2025/0115283 A1
- Infrastructure system emergency management10 Apr 2025US 2025/0119721 A1
- System and method for scheduling and pacing trains6 Mar 2025US 2025/0074487 A1Progress Rail Locomotive Inc.
- Method for waking up a train which in four carriages coupling mode from sleep state on double-track-line and system therefore24 Nov 2022US 2022/0371634 A1Traffic Control Technology Co., Ltd
Most cited
By later US patents
- Off-board scheduling system and method for adjusting a movement plan of a transportation network12US 9,008,933 B2General Electric Company · 2015
- Automatic control system for a railway vehicle's speed and stopping6US 5,294,081 AAigle Azur Concept · 1994
- Control of rail vehicles1US 10,086,856 B2Siemens Aktiengesellschaft · 2018
- System and method for track occupancy determination1US 11,318,971 B2Siemens Mobility GmbH · 2022
- Method for improving operation density of rail vehicles and preventing head-on collision and rear-ending collision1US 8,985,522 B22015