B61D 27/009
Means for ventilating only
Official title: {Means for ventilating only (ventilation in general F24F)}
B61D27/009 (Means for ventilating only) appears on 29 US grants and 37 published applications in this corpus.
Search patents in B61D- Granted patents
- 29
- Published applications
- 37
- Assignees
- 25
- Inventors
- 139
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 4 |
| 2015 | 0 | 4 |
| 2016 | 0 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 5 |
| 2019 | 2 | 6 |
| 2020 | 5 | 2 |
| 2021 | 5 | 3 |
| 2022 | 3 | 2 |
| 2023 | 1 | 4 |
| 2024 | 2 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for cooling a component intended to be fitted to a vehicle and associated vehicle4 Aug 2026US 12,698,015 B2ALSTOM Holdings
- Interior air quality monitoring and ventilation control method and system for train4 Jun 2024US 11,999,388 B2Central South University
- Health protection system for passengers on a train in a polluted indoor environment and method thereof26 Mar 2024US 11,938,784 B2Central South University
- Comfort ventilation for a sanitary module for a vehicle5 Dec 2023US 11,834,080 B2Siemens Mobility GmbH
- Waste exhaust ventilation door automatic control device and vehicle body having the same12 Jul 2022US 11,383,740 B2Crrc Qingdao Sifang Co., Ltd.
- Vent cover assemblies for railroad hopper cars11 Sep 2025US 2025/0282396 A1Gunderson LLC
- Airflow guidance structures for refrigerated transport containers17 Apr 2025US 2025/0121861 A1Lineage Logistics, LLC
- Overhead ambient air control systems12 Dec 2024US 2024/0408933 A1Embraer S.A.
- Rail Vehicle and Manufacturing Method for Rail Vehicle5 Dec 2024US 2024/0400118 A1Hitachi, Ltd.
- Train compartment air adjustment and control method and apparatus, storage medium, and program product16 Nov 2023US 2023/0366004 A1Central South University
Most cited
By later US patents
- Railroad hopper car vent29US 4,896,590 APullman Leasing Company · 1990
- Ventilation system for a passenger vehicle19US 4,062,273 AVapor Corporation · 1977
- Interior structure of a mass transit vehicle17US 6,416,116 B1New Flyer Industries Limited · 2002
- Smoke removal system for vehicles15US 5,261,855 A1993
- Freight container ventilation system5US 6,138,578 AGeneral Electric Railcar Services Corporation · 2000