B61C 5/00
Locomotives or motor railcars with ic engines or gas turbines
Official title: Locomotives or motor railcars with IC engines or gas turbines (characterised by power transmission B61C9/00; engines F02)
B61C5/00 (Locomotives or motor railcars with ic engines or gas turbines) appears on 176 US grants and 195 published applications in this corpus.
Search patents in B61C- Granted patents
- 176
- Published applications
- 195
- Assignees
- 58
- Inventors
- 392
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 2 | 5 |
| 2009 | 0 | 4 |
| 2010 | 3 | 6 |
| 2011 | 2 | 5 |
| 2012 | 5 | 7 |
| 2013 | 7 | 13 |
| 2014 | 10 | 23 |
| 2015 | 15 | 13 |
| 2016 | 11 | 22 |
| 2017 | 18 | 11 |
| 2018 | 13 | 9 |
| 2019 | 8 | 8 |
| 2020 | 3 | 17 |
| 2021 | 17 | 13 |
| 2022 | 11 | 12 |
| 2023 | 11 | 8 |
| 2024 | 8 | 2 |
| 2025 | 3 | 6 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel consumption system for locomotive18 Aug 2026US 12,709,308 B2Caterpillar Inc.
- Locomotive exhaust aftertreatment system28 Jul 2026US 12,692,808 B1Echeneidae Inc.
- Cylinder head crack detection system5 May 2026US 12,618,748 B2Progress Rail Locomotive Inc.
- Engine health monitoring system17 Mar 2026US 12,578,251 B2Progress Rail Locomotive Inc.
- Vehicle with air outlet opening10 Mar 2026US 12,570,331 B2Siemens Mobility GmbH
- Vehicle system and method6 Aug 2026US 2026/0225633 A1Transportation IP Holdings, LLC
- Locomotive exhaust duct assembly25 Jun 2026US 2026/0175879 A1
- Pressure sensing probe4 Jun 2026US 2026/0153532 A1Airflow Sciences Corporation
- Aftertreatment system for locomotive5 Feb 2026US 2026/0036071 A1Caterpillar Inc.
- Operating system for multiple battery systems30 Oct 2025US 2025/0333087 A1Stewart & Stevenson LLC
Most cited
By later US patents
- Vehicle system and method166US 9,550,501 B2General Electric Company · 2017
- System and method for isolating failures in a locomotive95US 5,845,272 AGeneral Electric Company · 1998
- System and method for predicting impending failures in a locomotive71US 6,243,628 B1General Electric Company · 2001
- Natural gas fueling system63US 5,887,567 A1999
- Shuttered radiator system with control54US 5,566,745 AGeneral Electric Company · 1996