B61F 7/00
Rail vehicles equipped for use on tracks of different width
B61F7/00 (Rail vehicles equipped for use on tracks of different width) appears on 28 US grants and 20 published applications in this corpus.
Search patents in B61F- Granted patents
- 28
- Published applications
- 20
- Assignees
- 21
- Inventors
- 70
- Latest grant
- 17 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 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 5 |
| 2022 | 0 | 2 |
| 2023 | 1 | 3 |
| 2024 | 4 | 0 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser alignment system for railcar mover and method of use17 Mar 2026US 12,576,894 B2Zephir S.p.A.
- High throughput transportation system with seamless carriage switching between tracks along the vertical plane23 Dec 2025US 12,503,144 B2
- Dual gauge rail wheel assembly19 Aug 2025US 12,391,291 B2Zephir S.p.A.
- Gate catch assembly20 May 2025US 12,305,427 B2Melvelle Equipment Corp. Pty Ltd
- Ground rail transfer device and gauge changing system29 Oct 2024US 12,129,603 B2Crrc Tangshan Co., Ltd.
- Systems and methods for transporting items within a network of tubular track systems26 Jun 2025US 2025/0206359 A1Tubular Network Inc.
- High throughput transportation system with seamless carriage switching between tracks along the vertical plane22 Jun 2023US 2023/0192153 A1
- Laser Alignment System for Railcar Mover and Method of Use25 May 2023US 2023/0159068 A1Zephir S.p.A.
- Railway track trolley20 Apr 2023US 2023/0123992 A1Melvelle Equipment Corp. Pty Ltd
- Dual Gauge Rail Wheel Assembly13 Oct 2022US 2022/0324493 A1Zephir S.p.A.
Most cited
By later US patents
- Truck wheel-spacing changing method, and variable wheel-spacing truck, and ground facility therefor17US 5,421,265 AKawasaki Jukogyo Kabushiki Kaisha · 1995
- Truck wheel-spacing changing method, and variable wheel-spacing truck, and ground facility therefor7US 5,471,933 AKawasaki Jukogyo Kabushiki Kaisha · 1995
- Track working machine5US 5,615,615 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1997
- Changeable gauge railing truck4US 3,974,780 AThe Budd Company · 1976
- Variable wheel-spacing truck4US 5,546,868 AKawasaki Jukogyo Kabushiki Kaisha · 1996