B61D 19/023
Emergency exits
Official title: {Emergency exits}
B61D19/023 (Emergency exits) appears on 32 US grants and 33 published applications in this corpus.
Search patents in B61D- Granted patents
- 32
- Published applications
- 33
- Assignees
- 22
- Inventors
- 63
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 9 |
| 2020 | 1 | 2 |
| 2021 | 4 | 1 |
| 2022 | 7 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Emergency front door for pneumatically-propelled vehicles on an elevated track25 Nov 2025US 12,479,479 B2Aerom Sistemas De Transporte SA
- Bogie, rail vehicle having same, and rail transport system1 Apr 2025US 12,263,870 B2BYD Company Limited
- Rail vehicle car for transporting passengers, rail vehicle with a rail vehicle car and method for forming a transition between rail vehicle cars30 Apr 2024US 11,970,193 B2Stadler Rail AG
- Rail transport system2 May 2023US 11,639,187 B2BYD Company Limited
- Rail transport system26 Apr 2022US 11,312,399 B2BYD Company Limited
- Controller and control method6 Feb 2025US 2025/0042447 A1Fuji Electric Co., Ltd.
- Rail vehicle11 Jul 2024US 2024/0227876 A1BYD Company Limited
- Safety system for an enclosure4 Jan 2024US 2024/0001971 A1Siemens Mobility GmbH
- Emergency Front Door For Pneumatically-Propelled Vehicles On An Elevated Track2 Feb 2023US 2023/0031513 A1Aerom Sistemas De Transporte SA
- Bogie, rail vehicle having same, and rail transport system17 Feb 2022US 2022/0048541 A1BYD Company Limited
Most cited
By later US patents
- Combination door and emergency stairway exit38US 4,216,725 APullman Incorporated · 1980
- Emergency exit apparatus19US 4,615,275 AKawasaki Jukogyo Kabushiki Kaisha · 1986
- Motor vehicle egress window9US 7,730,668 B2Dura Global Technologies, Inc. · 2010
- Dual purpose door system8US 4,879,843 AKawasaki Jukogyo Kabushiki Kaisha · 1989
- Collapsible railing8US 5,237,932 AFutrex, Inc. · 1993