B61L 27/18
Crew rosters
Official title: Crew rosters; Itineraries
B61L27/18 (Crew rosters) appears on 18 US grants and 33 published applications in this corpus.
Search patents in B61L- Granted patents
- 18
- Published applications
- 33
- Assignees
- 18
- Inventors
- 67
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 4 |
| 2023 | 2 | 3 |
| 2024 | 2 | 6 |
| 2025 | 7 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated tie marking2 Dec 2025US 12,485,940 B2
- System and method for railroad snapshot and playback27 May 2025US 12,311,987 B2BNSF Railway Company
- Automated tie marking13 May 2025US 12,296,874 B2BNSF Railway Company
- Rail authority system and/or method6 May 2025US 12,291,251 B2Parallel Systems, Inc.
- Abnormal situation alarming system11 Feb 2025US 12,221,140 B2NEC Corporation
- Automated tie marking26 Mar 2026US 2026/0084730 A1BNSF Railway Company
- Vehicle control system and method16 Oct 2025US 2025/0319914 A1Transportation IP Holdings, LLC
- System and method for railroad snapshot and playback11 Sep 2025US 2025/0282399 A1BNSF Railway Company
- Rail authority system and/or method14 Aug 2025US 2025/0256746 A1Parallel Systems, Inc.
- Abnormal situation alarming system8 May 2025US 2025/0145189 A1NEC Corporation
Most cited
By later US patents
- Transit schedule generating method and system79US 4,926,343 AHitachi, Ltd. · 1990
- Apparatus for supporting the preparation of travel routes27US 6,249,741 B1Central Japan Railway Company · 2001
- Method for managing service schedule of vehicle16US 9,778,045 B2LG Cns Co., Ltd. · 2017
- System and method of multi-generation positive train control system15US 8,082,071 B2General Electric Company · 2011
- Automated tie marking4US 11,628,869 B1BNSF Railway Company · 2023