B61D 19/00
Door arrangements specially adapted for rail vehicles
Official title: Door arrangements specially adapted for rail vehicles (locks for vehicles E05B77/00-E05B85/00; door-operating mechanisms E05F)
B61D19/00 (Door arrangements specially adapted for rail vehicles) appears on 361 US grants and 307 published applications in this corpus.
Search patents in B61D- Granted patents
- 361
- Published applications
- 307
- Assignees
- 174
- Inventors
- 679
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 12 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 8 |
| 2003 | 13 | 16 |
| 2004 | 11 | 7 |
| 2005 | 7 | 12 |
| 2006 | 4 | 6 |
| 2007 | 4 | 7 |
| 2008 | 4 | 3 |
| 2009 | 1 | 6 |
| 2010 | 5 | 9 |
| 2011 | 4 | 4 |
| 2012 | 5 | 7 |
| 2013 | 7 | 4 |
| 2014 | 4 | 9 |
| 2015 | 5 | 14 |
| 2016 | 10 | 28 |
| 2017 | 14 | 14 |
| 2018 | 10 | 23 |
| 2019 | 14 | 32 |
| 2020 | 15 | 26 |
| 2021 | 21 | 22 |
| 2022 | 22 | 13 |
| 2023 | 10 | 13 |
| 2024 | 15 | 14 |
| 2025 | 13 | 5 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Railroad car18 Aug 2026US 12,709,311 B2Gunderson LLC
- Door apparatus of railcar4 Aug 2026US 12,697,860 B2Kawasaki Railcar Manufacturing Co., Ltd.
- Railway vehicle7 Apr 2026US 12,594,972 B2Hitachi, Ltd.
- Service vehicle with a vehicle pen17 Feb 2026US 12,552,420 B2Autostore Technology AS
- Door closure monitoring system10 Feb 2026US 12,545,306 B2Poma
- Door leaf with unbonded seal8 Oct 2026US 2026/0307687 A1Bode—Die TüR GmbH
- Method and system for controlling inter-station remote train door opening based on cbtc, device, and storage medium9 Jul 2026US 2026/0192834 A1Casco Signal Ltd.
- Railway vehicle18 Jun 2026US 2026/0167238 A1ALSTOM Holdings
- Access door to a vehicle23 Apr 2026US 2026/0110210 A1Faiveley Transport Tours
- Monitoring device, monitoring method, and program4 Dec 2025US 2025/0369265 A1Fuji Electric Co., Ltd.
Most cited
By later US patents
- Automatic sliding door system for vehicles109US 4,640,050 AOhi Seisakusho Co., Ltd. · 1987
- End door for rail cars60US 3,995,563 AWhitehead & Kales Company · 1976
- Inflatable closure seal for sliding doors56US 3,984,942 AThe Presray Corporation · 1976
- Load divider assembly and door assembly for a composite railway boxcar54US 5,802,984 ATrinity Industries, Inc. · 1998
- Door drive equipment for mass transit vehicle46US 5,483,769 AMark IV Transportation Products Corporation · 1996