B61D 3/00
Wagons or vans
Official title: Wagons or vans (tank wagons B61D5/00; hopper wagons B61D7/00; tipping wagons B61D9/00; mine cars B61D11/00; vehicles specially adapted for animal transportation B60P3/04; {container traffic B65G})
B61D3/00 (Wagons or vans) appears on 922 US grants and 637 published applications in this corpus.
Search patents in B61D- Granted patents
- 922
- Published applications
- 637
- Assignees
- 322
- Inventors
- 1,142
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 13 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 17 | 0 |
| 1987 | 23 | 0 |
| 1988 | 30 | 0 |
| 1989 | 26 | 0 |
| 1990 | 36 | 0 |
| 1991 | 27 | 0 |
| 1992 | 18 | 0 |
| 1993 | 17 | 0 |
| 1994 | 10 | 0 |
| 1995 | 18 | 0 |
| 1996 | 20 | 0 |
| 1997 | 14 | 0 |
| 1998 | 22 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 19 | 7 |
| 2002 | 16 | 21 |
| 2003 | 30 | 29 |
| 2004 | 18 | 17 |
| 2005 | 18 | 20 |
| 2006 | 10 | 15 |
| 2007 | 16 | 17 |
| 2008 | 9 | 23 |
| 2009 | 13 | 12 |
| 2010 | 13 | 23 |
| 2011 | 9 | 18 |
| 2012 | 14 | 15 |
| 2013 | 17 | 14 |
| 2014 | 22 | 28 |
| 2015 | 17 | 20 |
| 2016 | 18 | 22 |
| 2017 | 23 | 33 |
| 2018 | 17 | 56 |
| 2019 | 41 | 49 |
| 2020 | 49 | 41 |
| 2021 | 38 | 48 |
| 2022 | 30 | 30 |
| 2023 | 28 | 28 |
| 2024 | 29 | 18 |
| 2025 | 15 | 24 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B61D 3/16Wagons or vans: adapted for carrying special loads736
- B61D 3/10Articulated vehicles156
- B61D 3/04Wagons or vans: with movable floors64
- B61D 3/02Wagons or vans: with multiple deck arrangements63
- B61D 3/005Convertible31
- B61D 3/08Flat wagons including posts or standards24
- B61D 3/06Flat-bottomed cars convertible into hoppers5
Recent patents
- Article transport device29 Sep 2026US 12,746,952 B2Daifuku Co., Ltd.
- Articulated vehicle arrangement for a rail freight train18 Aug 2026US 12,709,310 B2Sws Ps Power Solutions GmbH
- Platform traversal system and method2 Jun 2026US 12,643,578 B2Transportation IP Holdings, LLC
- Storage assembly for railcar28 Apr 2026US 12,612,084 B2Trinity Rail Group, LLC
- Securing cargo for rail transport using polymer foam material14 Apr 2026US 12,600,288 B2MBull Holdings, LLC
- Intermodal Transportation System16 Jul 2026US 2026/0200507 A1
- Insulated and refrigerated railroad car with vacuum insulated sections9 Jul 2026US 2026/0192831 A1Gunderson LLC
- Multi-unit railroad car and railroad car trucks therefor11 Jun 2026US 2026/0159140 A1National Steel Car Limited
- Mobile motorized cargo container with selectively deployable control systems4 Jun 2026US 2026/0152359 A1
- Lading retention and method of use with railroad freight car21 May 2026US 2026/0138651 A1National Steel Car Limited
Most cited
By later US patents
- Ground-based mobile maintenance facilities for unmanned aerial vehicles189US 9,718,564 B1Amazon Technologies, Inc. · 2017
- Grating connector and spacer apparatus, system, and methods of using the same117US 9,731,730 B2Holland Company · 2017
- Low profile railway car112US 5,320,046 ATrinity Industries, Inc. · 1994
- Articulated flat car102US 4,947,760 ATrailer Train Company · 1990
- Railway container and car100US 4,478,155 AThe Atchison, Topeka and Santa Fe Railway Company · 1984