B61F 9/00
Rail vehicles characterised by means for preventing derailing
Official title: Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
B61F9/00 (Rail vehicles characterised by means for preventing derailing) appears on 140 US grants and 114 published applications in this corpus.
Search patents in B61F- Granted patents
- 140
- Published applications
- 114
- Assignees
- 82
- Inventors
- 271
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 4 |
| 2008 | 2 | 0 |
| 2009 | 2 | 3 |
| 2010 | 1 | 6 |
| 2011 | 2 | 1 |
| 2012 | 6 | 6 |
| 2013 | 3 | 3 |
| 2014 | 7 | 3 |
| 2015 | 2 | 7 |
| 2016 | 3 | 11 |
| 2017 | 7 | 2 |
| 2018 | 6 | 3 |
| 2019 | 3 | 10 |
| 2020 | 4 | 6 |
| 2021 | 7 | 15 |
| 2022 | 8 | 5 |
| 2023 | 10 | 7 |
| 2024 | 6 | 8 |
| 2025 | 7 | 5 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicles capable of operating on both ground and cantilevered support and to their tracks11 Aug 2026US 12,703,407 B2Urban.Mass Ltd
- Track beam and track beam assembly14 Apr 2026US 12,601,119 B2BYD Company Limited
- Rapid transit system with wheel in track design3 Feb 2026US 12,539,895 B2
- System and method for guidance control on a wheeled bogie6 Jan 2026US 12,515,717 B2Dp World Logistics US Holdings, Inc.
- Pressure sensing probe28 Oct 2025US 12,455,294 B2BNSF Railway Company
- Pressure sensing probe4 Jun 2026US 2026/0153532 A1Airflow Sciences Corporation
- Fixed-track transport device25 Dec 2025US 2025/0388241 A1
- Rail conveyor systems18 Sep 2025US 2025/0289480 A1FLSmidth A/S
- Guide module and driving device provided with same15 May 2025US 2025/0155002 A1I.G.B. S.r.l.
- Turnout and rail transit system6 Mar 2025US 2025/0075437 A1BYD Company Limited
Most cited
By later US patents
- Traffic system for track-guided vehicles with steerable wheels53US 4,183,304 ADaimler-Benz Aktiengesellschaft · 1980
- Traffic system with drive channel and road vehicles mechanically cross guided-therein51US 4,213,396 ADaimler-Benz Aktiengesellschaft · 1980
- Carriage with tiltable plates, for sorting machines in particular50US 4,726,464 A1988
- Track guided vehicle38US 4,445,440 ADaimler-Benz Aktiengesellschaft · 1984
- Transporting system with a floor conveyor device guided on guide rails37US 5,450,797 AMannesmann Aktiengesellschaft · 1995