B61C 5/02
Arrangement or disposition of intakes and apparatus for supplying, circulating, and filtering
Official title: Arrangement or disposition of intakes and apparatus for supplying, circulating, and filtering air for combustion and engine-cooling purposes
B61C5/02 (Arrangement or disposition of intakes and apparatus for supplying, circulating, and filtering) appears on 38 US grants and 38 published applications in this corpus.
Search patents in B61C- Granted patents
- 38
- Published applications
- 38
- Assignees
- 20
- Inventors
- 85
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 3 |
| 2014 | 4 | 3 |
| 2015 | 4 | 4 |
| 2016 | 2 | 6 |
| 2017 | 4 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 3 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle with air outlet opening10 Mar 2026US 12,570,331 B2Siemens Mobility GmbH
- Energy recovery system for diesel locomotives13 Aug 2024US 12,060,090 B2Knoxville Locomotive Works, Inc.
- Cooling system and method for a dual-powered railroad vehicle8 Mar 2022US 11,267,490 B2Hitachi Energy Switzerland AG
- Ventilation module for a rail vehicle1 Mar 2022US 11,260,405 B2Siemens Mobility GmbH
- Piston cooling jet system15 Feb 2022US 11,248,515 B2Transportation IP Holdings, LLC
- Energy Recovery System for Diesel Locomotives8 Dec 2022US 2022/0388548 A1Knoxville Locomotive Works, Inc.
- Vehicle with air outlet opening1 Dec 2022US 2022/0379931 A1Siemens Mobility GmbH
- Rail Vehicle Having an Improved Cooling System and Method for Its Internal Combustion Engine4 Mar 2021US 2021/0061317 A1Bombardier Transportation GmbH
- Piston cooling jet system4 Feb 2021US 2021/0033019 A1Transportation IP Holdings, LLC
- Ventilation module for a rail vehicle21 Jan 2021US 2021/0016299 A1Siemens Mobility GmbH
Most cited
By later US patents
- Shuttered radiator system with control54US 5,566,745 AGeneral Electric Company · 1996
- Exhaust intake bonnet for capturing exhausts from diesel-powered locomotives30US 7,832,338 B22010
- System for ventilating a rail traction motor and for dynamically purifying the ventilation air22US 5,000,769 AThe Brevet Corporation · 1991
- Device for ventilating rheostats and/or fluid radiators in a locomotive21US 4,907,645 ASociete Anonyme dite: Alsthom · 1990
- Shuttered radiator system with control20US 5,669,311 AGeneral Electric Company · 1997