B61D 9/02
Tipping wagons: characterised by operating means for tipping
Official title: characterised by operating means for tipping
B61D9/02 (Tipping wagons: characterised by operating means for tipping) appears on 11 US grants and 3 published applications in this corpus.
Search patents in B61D- Granted patents
- 11
- Published applications
- 3
- Assignees
- 8
- Inventors
- 16
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Large plate tilt railroad car30 Dec 2025US 12,509,129 B2Gunderson LLC
- Coordinated braking systems and methods for rail cars21 May 2024US 11,987,457 B2Amsted Rail Company, Inc.
- High capacity bulk material transportation and discharge method and system28 Dec 2004US 6,835,041 B1Bulk Unloading BA, LLC
- Hydraulically actuated railway car dumping system27 Feb 2001US 6,192,804 B1
- Carriage with tiltable plates, for sorting machines in particular23 Feb 1988US 4,726,464 A
Most cited
By later US patents
- Hydraulically actuated railway car dumping system106US 4,407,202 A1983
- High capacity bulk material transportation and discharge method and system100US 6,835,041 B1Bulk Unloading BA, LLC · 2004
- Pivoting back one-spot coke car97US 4,366,029 AKoppers Company, Inc. · 1982
- Carriage with tiltable plates, for sorting machines in particular50US 4,726,464 A1988
- Center sill gondola car24US 4,408,542 AThrall Car Manufacturing Company · 1983