B61F 3/04
With driven axles or wheels
Official title: with driven axles or wheels
B61F3/04 (With driven axles or wheels) appears on 158 US grants and 121 published applications in this corpus.
Search patents in B61F- Granted patents
- 158
- Published applications
- 121
- Assignees
- 79
- Inventors
- 292
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 6 |
| 2010 | 0 | 13 |
| 2011 | 1 | 4 |
| 2012 | 3 | 4 |
| 2013 | 9 | 4 |
| 2014 | 6 | 8 |
| 2015 | 7 | 4 |
| 2016 | 6 | 8 |
| 2017 | 5 | 5 |
| 2018 | 5 | 5 |
| 2019 | 5 | 8 |
| 2020 | 2 | 11 |
| 2021 | 9 | 14 |
| 2022 | 12 | 8 |
| 2023 | 11 | 5 |
| 2024 | 7 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bogie and vehicle28 Apr 2026US 12,612,085 B2Mitsubishi Heavy Industries, Ltd.
- Chassis for a rail vehicle10 Mar 2026US 12,570,332 B2Siemens Mobility Austria GmbH
- Bogie for a rail vehicle and rail vehicle carriage having at least one bogie, rail vehicle having at least one rail vehicle carriage, and method for adjusting the height of a carriage body of a rail vehicle carriage22 Jul 2025US 12,365,368 B2Stadler Rail AG
- Electric rail vehicle13 May 2025US 12,296,866 B2Parallel Systems, Inc.
- Gearbox for rail vehicle, bogie for rail vehicle and rail vehicle17 Dec 2024US 12,168,465 B2Crrc Qingdao Sifang Co., Ltd.
- Rail Vehicle and Running Gear for the Rail Vehicle28 May 2026US 2026/0145713 A1Siemens Mobility Austria GmbH
- Bogie assemblies19 Mar 2026US 2026/0077790 A1Amsted Rail Company, Inc.
- Electric rail vehicle28 Aug 2025US 2025/0269882 A1Parallel Systems, Inc.
- Air-Outlet-Hood for Self-Ventilated Traction Motors for Rolling Stock22 May 2025US 2025/0167622 A1ALSTOM Holdings
- A bogie and a vehicle with such bogie21 Nov 2024US 2024/0383508 A1Vlr Technologies Limited
Most cited
By later US patents
- Damping railway vehicle suspension63US 4,067,261 ASouth African Inventions Development Corporation · 1978
- Steering railway vehicle trucks40US 4,332,201 ABritish Railways Board · 1982
- Self-steering railway truck33US 5,613,444 AGeneral Electric Company · 1997
- Three-axle railway truck steering linkage32US 4,679,507 AGeneral Motors Corporation · 1987
- Railway vehicle steering truck28US 4,170,179 ASchweizerische Lokomotive- und Maschinenfabrik · 1979