B61D 15/02
Breakdown cranes
Official title: Breakdown cranes (crane gear B66C)
B61D15/02 (Breakdown cranes) appears on 26 US grants and 16 published applications in this corpus.
Search patents in B61D- Granted patents
- 26
- Published applications
- 16
- Assignees
- 18
- Inventors
- 35
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 4 |
| 2015 | 0 | 1 |
| 2016 | 3 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 3 | 3 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and system for pole and conductor installation for charging while moving13 Jan 2026US 12,522,109 B2Caterpillar Inc.
- Rail gear assembly15 Apr 2025US 12,275,284 B2Cranemasters, Inc.
- Railroad maintenance systems and methods7 May 2024US 11,976,424 B2Bridge and Track Crane LLC
- Rail and train system19 Dec 2023US 11,845,481 B2
- Method of operating a rail-guided permanent way machine, and a permanent way machine4 Apr 2023US 11,618,487 B2Plasser & Theurer Export von Bahnbaumaschinen GmbH
- Rail gear assembly17 Jul 2025US 2025/0229586 A1Cranemasters, Inc.
- Process and System for Pole and Conductor Installation for Charging While Moving16 May 2024US 2024/0157851 A1Caterpillar Inc.
- Rail gear assembly26 May 2022US 2022/0161620 A1Cranemasters, Inc.
- Railroad maintenance systems and methods25 Feb 2021US 2021/0054576 A1Bridge and Track Crane LLC d/b/a Rcrane
- Rail and Train System31 Dec 2020US 2020/0406942 A1
Most cited
By later US patents
- Road/rail power unit34US 5,016,544 AHer Majesty the Queen in right of Canada, as represented by the Minister of Highways and Transportation · 1991
- Track working or transport vehicle20US 4,399,881 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1983
- Material handling railroad freightcar-mounted gantry and crane with toppling prevention and supplemental support upon derailment15US 5,289,780 AHerzog Contracting Corp. · 1994
- Truck mounted railroad crane rail gear assembly10US 4,240,354 A1980
- Method and apparatus for re-railing working platforms8US 4,809,615 AKershaw Manufacturing Company, Inc. · 1989