B61C 3/00
Electric locomotives or railcars
Official title: Electric locomotives or railcars (characterised by power transmission B61C9/00; electrical features B60L; H02)
B61C3/00 (Electric locomotives or railcars) appears on 320 US grants and 431 published applications in this corpus.
Search patents in B61C- Granted patents
- 320
- Published applications
- 431
- Assignees
- 155
- Inventors
- 810
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 5 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 2 | 5 |
| 2010 | 1 | 6 |
| 2011 | 1 | 4 |
| 2012 | 3 | 7 |
| 2013 | 6 | 17 |
| 2014 | 8 | 25 |
| 2015 | 16 | 12 |
| 2016 | 14 | 30 |
| 2017 | 22 | 37 |
| 2018 | 16 | 29 |
| 2019 | 27 | 46 |
| 2020 | 27 | 37 |
| 2021 | 35 | 38 |
| 2022 | 42 | 26 |
| 2023 | 23 | 31 |
| 2024 | 26 | 33 |
| 2025 | 23 | 19 |
| 2026 | 17 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Semiconductor device, power conversion device and moving body22 Sep 2026US 12,745,640 B2Mitsubishi Electric Corporation
- Insulated feed-through connector8 Sep 2026US 12,728,728 B2Progress Rail Locomotive Inc.
- Bogie for a light rail system25 Aug 2026US 12,715,309 B2The Council of the City of Coventry Council House
- Articulated vehicle arrangement for a rail freight train18 Aug 2026US 12,709,310 B2Sws Ps Power Solutions GmbH
- Self-contained power source for railcars28 Jul 2026US 12,691,913 B2Intramotev Inc.
- Personal transportation system8 Oct 2026US 2026/0307695 A1TPT Technologies, Inc.
- Hybrid Train Energy Delivery System1 Oct 2026US 2026/0296507 A1AmeTrade, Inc.
- Coil device and in-vehicle device1 Oct 2026US 2026/0302038 A1Mitsubishi Electric Corporation
- Semiconductor device, semiconductor device manufacturing method, inverter circuit, drive device, vehicle, and elevator1 Oct 2026US 2026/0304858 A1Kabushiki Kaisha Toshiba
- Control device and abnormality discernment method10 Sep 2026US 2026/0264524 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Battery-powered vehicle with AC driven traction and pump motors for mining applications55US 7,053,568 B2Oldenburg Group Incorporated · 2006
- Multimode hybrid energy railway vehicle system and method49US 7,430,967 B2General Electric Company · 2008
- Electrical energy capture system with circuitry for blocking flow of undesirable electrical currents therein41US 7,854,203 B2General Electric Company · 2010
- Multiple engine locomotive configuration40US 7,565,867 B22009
- Hybrid drive system38US 9,493,077 B2Mitsubishi Electric Corporation · 2016