B61C 9/08
Transmission systems in or for locomotives or motor railcars with ic reciprocating
Official title: Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines
B61C9/08 (Transmission systems in or for locomotives or motor railcars with ic reciprocating) appears on 22 US grants and 17 published applications in this corpus.
Search patents in B61C- Granted patents
- 22
- Published applications
- 17
- Assignees
- 24
- Inventors
- 65
- Latest grant
- 19 Dec 2023
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 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
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| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
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| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 5 |
| 2020 | 3 | 0 |
| 2021 | 3 | 0 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
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.
- Self-generating device and mechanical system using the same29 Mar 2022US 11,285,975 B1
- Gearbox assembly5 Oct 2021US 11,137,056 B2Transportation IP Holdings, LLC
- Rail vehicle and a method for operation of a rail vehicle17 Aug 2021US 11,091,177 B2Piasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H.
- Hybrid locomotive with throttle power boost12 Dec 2024US 2024/0409138 A1Progress Rail Locomotive Inc.
- Gearbox assembly17 Oct 2019US 2019/0316663 A1Ge Global Sourcing LLC
- 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.
- A rail vehicle and a method for operation of a rail vehicle16 May 2019US 2019/0144008 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
Most cited
By later US patents
- Rail-borne motive power unit38US 5,735,215 AABB Henschel Aktiengesellschaft · 1998
- Propulsion system for integral trains33US 4,702,291 AGeneral Signal Corporation · 1987
- Speed limiting means for variable-speed prime mover20US 4,592,323 AGeneral Electric Company · 1986
- Hydraulically driven railway car6US 4,356,773 AQueen's University at Kingston · 1982
- Railroad track vehicle6US 4,721,430 ABrentwood Enterprises Ltd. · 1988