A61G 2220/12
Trains
A61G2220/12 (Trains) appears on 32 US grants and 19 published applications in this corpus.
Search patents in A61G- Granted patents
- 32
- Published applications
- 19
- Assignees
- 31
- Inventors
- 57
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 2 |
| 2025 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Personal pop-up pods21 Nov 2023US 11,821,226 B2Under The Weather, LLC
- Height adjustable wheelchair docking system1 Feb 2022US 11,234,873 B2Maskinfabrik Dahl Engineering V/Claus Dahl Pedersen
- Methods for ensuring the safety of a wheelchair passenger in a transport vehicle23 Jun 2015US 9,061,655 B2Verbu b.v.b.a.
- Railway vehicle with movable platforms and running boards10 Dec 2013US 8,601,953 B2Alstom Transport SA
- Wheelchair lift apparatus12 Oct 2010US 7,810,198 B2Huber Transportation GmbH
- Personal pop-up pods20 Nov 2025US 2025/0354404 A1
- Access system for a transport vehicle31 Jul 2025US 2025/0241806 A1
- Medical vehicle comprising a compartment with a medical imaging system and method for operating a medical vehicle20 Mar 2025US 2025/0090392 A1Koninklijke Philips N. V.
- Access platform20 Jun 2024US 2024/0197549 A1
- Personal pop-up pods14 Mar 2024US 2024/0084615 A1Under The Weather, LLC
Most cited
By later US patents
- Safety barrier/ramp actuating mechanism for wheelchair lifts91US 5,439,342 AAll American Transit Parts · 1995
- Movable ramp assembly79US 5,636,399 ARicon Corporation · 1997
- Wheelchair lift56US 4,251,179 ATransportation Design & Technology, Inc. · 1981
- Step lift for railway cars39US 4,583,466 AVapor Corporation · 1986
- Wheelchair lift with wheelchair barrier platform interlock mechanism39US 5,865,593 ALift-U, Division of Hogan Mfg., Inc. · 1999