B61D 3/166
For carrying very heavy loads
Official title: {for carrying very heavy loads}
B61D3/166 (For carrying very heavy loads) appears on 43 US grants and 38 published applications in this corpus.
Search patents in B61D- Granted patents
- 43
- Published applications
- 38
- Assignees
- 26
- Inventors
- 69
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 3 | 7 |
| 2018 | 4 | 10 |
| 2019 | 6 | 1 |
| 2020 | 4 | 1 |
| 2021 | 3 | 4 |
| 2022 | 2 | 1 |
| 2023 | 3 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Span bolster3 Mar 2026US 12,565,247 B2Kasgro Rail Corp.
- Modular systems and methods for transporting tower assembly of wind turbine30 Dec 2025US 12,510,056 B2BNSF Logistics, LLC
- Modular systems and methods for transporting tower assembly of wind turbine1 Apr 2025US 12,263,776 B2BNSF Logistics, LLC
- Rail and train system19 Dec 2023US 11,845,481 B2
- Modular systems and methods for transporting tower assembly of wind turbine7 Nov 2023US 11,807,153 B2BNSF Logistics, LLC
- Multiple-axle rail car with span bolsters13 Mar 2025US 2025/0083712 A1Kasgro Rail Corp.
- Modular Systems and Methods for Transporting Tower Assembly of Wind Turbine22 Feb 2024US 2024/0059208 A1BNSF Logistics, LLC
- Modular Systems and Methods for Transporting Tower Assembly of Wind Turbine17 Aug 2023US 2023/0258159 A1UTC Overseas, Inc.
- Span bolster27 Jan 2022US 2022/0024499 A1Kasgro Rail Corp.
- Modular Systems and Methods for Transporting Tower Assembly of Wind Turbine10 Jun 2021US 2021/0170936 A1UTC Overseas, Inc.
Most cited
By later US patents
- Depressed center beam flat car42US 4,951,575 A1990
- Railroad cars for transporting cylindrical objects transversely with multi-piece movable cover for exposing entire cargo area34US 5,170,717 AThrall Car Manufacturing Company · 1992
- Methods and systems for transporting wind turbine components23US 7,704,024 B2General Electric Company · 2010
- Railcar fixtures for transportation of wind turbine blades and method involving same16US 9,638,162 B1Martin Bencher USA, LLC · 2017
- Large tower railroad transportation system and method13US 8,529,174 B1Transportation Technology Services, Inc. · 2013