B61C 9/24
Electric
Official title: electric (B61C9/38 takes precedence)
B61C9/24 (Electric) appears on 6 US grants and 5 published applications in this corpus.
Search patents in B61C- Granted patents
- 6
- Published applications
- 5
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 19 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Tri-mode locomotive19 Dec 2023US 11,845,475 B1Knoxville Locomotive Works, Inc.
- Tri-mode locomotive19 Dec 2023US 11,845,476 B1Knoxville Locomotive Works, Inc.
- Diesel multiple unit, and electricity supply system and traction control method therefor15 Jun 2021US 11,034,367 B2Crrc Zhuzhou Locomotive Co., Ltd.
- Hybrid vehicle control system10 Nov 2020US 10,829,104 B2Ge Global Sourcing LLC
- Track maintenance machine4 Aug 2020US 10,730,532 B2Plasser & Theurer Export von Bahnbaumaschinen m.b.H.
- Hybrid locomotive with throttle power boost12 Dec 2024US 2024/0409138 A1Progress Rail Locomotive Inc.
- Hybrid vehicle control system22 Aug 2019US 2019/0256078 A1General Electric Company
- Diesel multiple unit, and electricity supply system and traction control method therefor27 Jun 2019US 2019/0193757 A1Crrc Zhuzhou Locomotive Co., Ltd.
- Track maintenance machine23 Aug 2018US 2018/0237036 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- System and method for dynamically coupling two or more axles of a rail vehicle16 Apr 2009US 2009/0095196 A1
Most cited
By later US patents