B61C 17/12
Control gear
Official title: Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units (control from points outside the train B61L3/00; fluid-actuated telemotors, servomotors F15B; control devices in general G05)
B61C17/12 (Control gear) appears on 286 US grants and 309 published applications in this corpus.
Search patents in B61C- Granted patents
- 286
- Published applications
- 309
- Assignees
- 95
- Inventors
- 525
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 6 | 3 |
| 2003 | 3 | 4 |
| 2004 | 4 | 5 |
| 2005 | 3 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 4 |
| 2009 | 3 | 5 |
| 2010 | 1 | 9 |
| 2011 | 2 | 3 |
| 2012 | 8 | 10 |
| 2013 | 14 | 27 |
| 2014 | 23 | 46 |
| 2015 | 40 | 33 |
| 2016 | 26 | 24 |
| 2017 | 24 | 14 |
| 2018 | 13 | 22 |
| 2019 | 16 | 22 |
| 2020 | 12 | 17 |
| 2021 | 12 | 13 |
| 2022 | 11 | 18 |
| 2023 | 13 | 5 |
| 2024 | 14 | 11 |
| 2025 | 12 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle communication system2 Jun 2026US 12,643,542 B2Transportation IP Holdings, LLC
- Sensor systems and methods for monitoring environmental variables of a rail-bound vehicle28 Apr 2026US 12,612,087 B2Icomera AB
- Vehicle parking control method and apparatus10 Feb 2026US 12,545,303 B2BYD Company Limited
- Vehicle communication control system20 Jan 2026US 12,528,520 B2Transportation IP Holdings, LLC
- Locomotive wireless multi-heading remote distributed power traction operation control system, and multi-heading locomotive11 Nov 2025US 12,466,274 B2Central South University
- Confirmation of target locomotives in a train28 May 2026US 2026/0145717 A1Progress Rail Locomotive Inc.
- Freight train dual power source control system14 May 2026US 2026/0131836 A1Voltify Inc
- Vehicle control system and method9 Oct 2025US 2025/0313243 A1Transportation IP Holdings, LLC
- Systems and methods for disengaging locomotives from autonomous control5 Jun 2025US 2025/0178648 A1Progress Rail Locomotive Inc.
- Hybrid locomotive propulsion system13 Mar 2025US 2025/0083711 A1Progress Rail Locomotive Inc.
Most cited
By later US patents
- Method and system for analyzing fault and snapshot operational parameter data for diagnostics of machine malfunctions167US 6,336,065 B12002
- Method and system for analyzing fault log data for diagnostics160US 6,343,236 B12002
- Method and system for diagnosing machine malfunctions142US 6,947,797 B2General Electric Company · 2005
- Enhanced distributed power110US 5,950,967 AWestinghouse Air Brake Company · 1999
- Method and system for processing repair data and fault log data to facilitate diagnostics106US 6,415,395 B1General Electric Company · 2002