B61D 3/14
Comprising running gear interconnected by load supports facilitating low-level load transport
Official title: comprising running gear interconnected by load supports facilitating low-level load transport
B61D3/14 (Comprising running gear interconnected by load supports facilitating low-level load transport) appears on 28 US grants and 7 published applications in this corpus.
Search patents in B61D- Granted patents
- 28
- Published applications
- 7
- Assignees
- 18
- Inventors
- 44
- Latest grant
- 3 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 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 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sleeper transport vehicle3 Jan 2023US 11,541,916 B2Plasser & Theurer Export von Bahnbaumaschinen GmbH
- Freight car with lifting location and method10 Mar 2015US 8,973,508 B2National Steel Car Limited
- System and method for modularization of a schnabel car13 Jan 2015US 8,931,985 B2Mammoet USA South, Inc.
- Five unit articulated covered hopper car9 Nov 1993US 5,259,322 A
- Articulated vehicle, such as an extra-long railway car intended for transporting automobiles19 Mar 1991US 5,000,096 A
- Multiple-axle rail car with span bolsters13 Mar 2025US 2025/0083712 A1Kasgro Rail Corp.
- Tie-arrangement system and method of delivering ties19 Sep 2024US 2024/0309590 A1Transportation IP Holdings, LLC
- Sleeper transport vehicle17 Jun 2021US 2021/0179150 A1Plasser & Theurer Export von Bahnbaumaschinen GmbH
- Freight car with lifting location and method24 Jul 2014US 2014/0202354 A1National Steel Car Limited
- Rail Car System19 Jun 2014US 2014/0165872 A1
Most cited
By later US patents
- Articulated flat car102US 4,947,760 ATrailer Train Company · 1990
- Rail semi-trailer and releasable coupler77US 4,741,273 A1988
- Low level freight car72US 4,686,907 AHawker Siddeley Canada Ltd. · 1987
- Low level freight car for carrying trailers67US 4,456,413 AThe Budd Company · 1984
- Articulated lightweight piggyback railcar65US 4,751,882 ACanadian National Railway Company · 1988