B61L 21/08
Order transmission and reception arrangements for giving or withholding permission
B61L21/08 (Order transmission and reception arrangements for giving or withholding permission) appears on 8 US grants and 7 published applications in this corpus.
Search patents in B61L- Granted patents
- 8
- Published applications
- 7
- Assignees
- 9
- Inventors
- 28
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 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 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for efficiently switching railcars in a railroad yard6 Oct 2026US 12,752,826 B2BNSF Railway Company
- Systems and methods for efficiently switching railcars in a railroad yard8 Apr 2025US 12,269,520 B1BNSF Railway Company
- Systems and methods for efficiently switching railcars in a railroad yard30 Apr 2024US 11,970,195 B1BNSF Railway Company
- Vehicle control system, resource management device, vehicle control method, and program6 Feb 2024US 11,891,097 B2Mitsubishi Heavy Industries, Ltd.
- Interlocking protection device for turnout switching and turnout system19 Apr 2022US 11,305,794 B2BYD Company Limited
- Systems and methods for efficiently switching railcars in a railroad yard24 Jul 2025US 2025/0236323 A1BNSF Railway Company
- Departure time adjustment method, storage medium, vehicle-mounted controller and rail vehicle22 May 2025US 2025/0166109 A1BYD Company Limited
- Vehicle control system, resource management device, vehicle control method, and program20 May 2021US 2021/0146976 A1Mitsubishi Heavy Industries Engineering, Ltd.
- Interlocking protection device for turnout switching and turnout system31 Oct 2019US 2019/0329805 A1BYD Company Limited
- Train operation control system and train operation control method7 Feb 2019US 2019/0039634 A1Mitsubishi Electric Corporation
Most cited
By later US patents