B61L 29/286
Using conductor circuits controlled by the vehicle
Official title: {using conductor circuits controlled by the vehicle}
B61L29/286 (Using conductor circuits controlled by the vehicle) appears on 20 US grants and 8 published applications in this corpus.
Search patents in B61L- Granted patents
- 20
- Published applications
- 8
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Railroad crossing control system with auxiliary shunting device28 Apr 2026US 12,612,091 B2Siemens Mobility GmbH
- Shunt frequency check and transmit system2 Apr 2024US 11,945,484 B2Siemens Mobility GmbH
- Train direction detection apparatus and method22 Mar 2022US 11,279,387 B2Vossloh Signaling, Inc.
- Railroad crossing indication device, railroad crossing indication system, and method for displaying information at railroad crossings17 Dec 2019US 10,507,854 B2Siemens Mobility GmbH
- Route feature identification system and method19 Dec 2017US 9,845,023 B2General Electric Company
- A railroad crossing control system with auxiliary shunting device24 Aug 2023US 2023/0264726 A1Siemens Mobility GmbH
- Shunt frequency check and transmit system25 Mar 2021US 2021/0086810 A1Siemens Mobility GmbH
- Railroad crossing indication device, railroad crossing indication system, and method for displaying information at railroad crossings9 Aug 2018US 2018/0222507 A1Siemens Industry, Inc.
- Route feature identification system and method16 Feb 2017US 2017/0043678 A1General Electric Company
- Train Direction Detection Apparatus and Method26 Jan 2017US 2017/0021846 A1Vossloh Signaling, Inc.
Most cited
By later US patents
- Light assembly and flasher circuit37US 4,108,405 A1978
- Railroad motion detecting and signalling system with repeater receiver27US 3,974,991 AErico Rail Products Company · 1976
- Railroad grade crossing constant warning protection system25US 4,307,860 AAmerican Standard Inc. · 1981
- Railway signal system23US 3,987,989 AErico Rail Products Company · 1976
- Highway crossing system with motion detecting apparatus13US 4,172,576 AGeneral Signal Corporation · 1979