B61D 5/002
Tank wagons for carrying fluent materials: for particulate or powder materials
Official title: {for particulate or powder materials}
B61D5/002 (Tank wagons for carrying fluent materials: for particulate or powder materials) appears on 17 US grants and 10 published applications in this corpus.
Search patents in B61D- Granted patents
- 17
- Published applications
- 10
- Assignees
- 18
- Inventors
- 39
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Manway relief for a tank car10 Sep 2024US 12,084,095 B2Trinity Tank Car, Inc.
- Cargo train wagon for the transportation of bulk material14 Aug 2012US 8,240,969 B2Duratray Ltda.
- Vehicle body with a curved metal plate floor17 Jan 2012US 8,096,607 B2
- Railroad hopper car unloader12 Sep 2006US 7,104,385 B2
- Transportation subassembly for materials destabilized in presence of destabilizing contaminants31 Jan 2006US 6,990,908 B2OCI Chemical Corp.
- Manway Relief for a Tank Car12 Dec 2024US 2024/0409132 A1Trinity Tank Car, Inc.
- Storage and transport system and method for solid sodium hypochlorite pentahydrate17 Feb 2022US 2022/0048542 A1Olin Corporation
- Manway relief for a tank car22 Jul 2021US 2021/0221409 A1Trinity Tank Car, Inc.
- Modifying rail cars for proppant transportation20 Aug 2020US 2020/0262455 A1Transload Equipment, LLC
- Rail tank car3 Dec 2015US 2015/0344042 A1Rail 152 IP Ltd
Most cited
By later US patents
- Apparatus and method for handling dry bulk materials in a hopper-type container using air agitation29US 4,189,262 AButler Manufacturing Company · 1980
- Railroad hopper car with self-contained discharge system25US 4,617,868 AMiner Enterprises, Inc. · 1986
- System and method for transporting and handling phosphorous pentasulfide19US 5,248,227 AThe Lubrizol Corporation · 1993
- Fluid containment apparatus with well closure assembly15US 5,097,976 AMontana Sulphur & Chemical Co. · 1992
- Aspiration unit for conditioning air during rail car unloading of perishable food products14US 5,160,515 ACPC International Inc. · 1992