B61D 3/187
Details
Official title: {Details, e.g. bridges for floor connections}
B61D3/187 (Details) appears on 119 US grants and 116 published applications in this corpus.
Search patents in B61D- Granted patents
- 119
- Published applications
- 116
- Assignees
- 38
- Inventors
- 143
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 4 |
| 2003 | 7 | 4 |
| 2004 | 4 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 4 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 3 |
| 2013 | 4 | 3 |
| 2014 | 3 | 6 |
| 2015 | 7 | 6 |
| 2016 | 1 | 5 |
| 2017 | 6 | 8 |
| 2018 | 5 | 11 |
| 2019 | 10 | 9 |
| 2020 | 9 | 12 |
| 2021 | 12 | 10 |
| 2022 | 5 | 7 |
| 2023 | 4 | 1 |
| 2024 | 6 | 1 |
| 2025 | 2 | 11 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Locking assembly16 Dec 2025US 12,497,084 B2Transportation IP Holdings, LLC
- Anti-theft device for a transport railcar grating28 Jan 2025US 12,208,825 B2Holden America IL, LLC
- Universal hitch intermodal well car system31 Dec 2024US 12,179,812 B2Trinity Rail Group, LLC
- Railroad well car structure5 Nov 2024US 12,134,412 B2National Steel Car Limited
- Platform lift for railroad car moving vehicle15 Oct 2024US 12,116,024 B2Stewart & Stevenson LLC
- Vehicle wheel chock for auto-rack railcar6 Nov 2025US 2025/0340227 A1Transportation IP Holdings, LLC
- Cargo protection devices for railway cars, method for production, and autorack railway car5 Jun 2025US 2025/0178649 A1Pennsy Corporation
- Cargo protection devices for railway cars, method for production, and autorack railway car5 Jun 2025US 2025/0178650 A1Pennsy Corporation
- Rail car side screen protector5 Jun 2025US 2025/0178651 A1Pennsy Corporation
- Rail car side screen protector5 Jun 2025US 2025/0178652 A1Pennsy Corporation
Most cited
By later US patents
- Grating connector and spacer apparatus, system, and methods of using the same117US 9,731,730 B2Holland Company · 2017
- Railroad freight car for carrying motor vehicles55US 5,743,192 AGunderson LLC · 1998
- Lateral and longitudinal adjustable stowable choking system52US 4,024,820 AMacLean-Fogg Lock Nut Company · 1977
- System for transporting semi-trailers on two interconnected vehicles46US 4,671,714 A1987
- Wheel chocks for use on vehicle transport carriers41US 5,106,245 A1992