B61L 27/12
Preparing schedules
B61L27/12 (Preparing schedules) appears on 135 US grants and 179 published applications in this corpus.
Search patents in B61L- Granted patents
- 135
- Published applications
- 179
- Assignees
- 67
- Inventors
- 387
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 6 |
| 2005 | 2 | 2 |
| 2006 | 1 | 7 |
| 2007 | 1 | 0 |
| 2008 | 4 | 2 |
| 2009 | 3 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 7 |
| 2014 | 2 | 4 |
| 2015 | 3 | 3 |
| 2016 | 6 | 14 |
| 2017 | 4 | 8 |
| 2018 | 5 | 7 |
| 2019 | 8 | 14 |
| 2020 | 7 | 11 |
| 2021 | 14 | 7 |
| 2022 | 1 | 20 |
| 2023 | 7 | 12 |
| 2024 | 17 | 10 |
| 2025 | 17 | 28 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Train consist build optimization29 Sep 2026US 12,746,957 B2Progress Rail Locomotive Inc.
- Information processing device, information processing method, and computer program product29 Sep 2026US 12,746,958 B2Kabushiki Kaisha Toshiba
- System and method for managing hostler-aided multi-hop operations to repair deviations in execution of optimized operating schedules associated with a hub11 Aug 2026US 12,703,411 B2BNSF Railway Company
- Control system and method for a transportation network5 May 2026US 12,617,438 B2Transportation IP Holdings, LLC
- Information processing apparatus, information processing method, and non-transitory computer readable medium14 Apr 2026US 12,600,392 B2Kabushiki Kaisha Toshiba
- Dynamic timetable management system and dynamic timetable management method and traffic solution system using dynamic timetable management system27 Aug 2026US 2026/0252985 A1Hitachi, Ltd.
- Collaborative method for dispatching and train control of freight railway9 Jul 2026US 2026/0192832 A1Casco Signal Ltd.
- Information processing apparatus, information processing method, and storage medium11 Jun 2026US 2026/0159143 A1NEC Corporation
- Method and apparatus for train re-scheduling based on diffusion model and reinforcement learning4 Jun 2026US 2026/0154562 A1
- Timetable creating device and timetable creating method28 May 2026US 2026/0145716 A1Hitachi, Ltd.
Most cited
By later US patents
- Scheduling system and method190US 5,623,413 AHarris Corporation · 1997
- Automatic train control system and method174US 5,828,979 AHarris Corporation · 1998
- System and method for automatic train operation132US 6,135,396 AGE Harris Railway Electronics, LLC · 2000
- Scheduling system and method131US 5,794,172 AHarris Corporation · 1998
- Method and apparatus for controlling and monitoring movement of material-transporting carriages120US 4,630,216 ATranslogic Corporation · 1986