B61F 3/06
With three or more axles
Official title: with three or more axles
B61F3/06 (With three or more axles) appears on 38 US grants and 22 published applications in this corpus.
Search patents in B61F- Granted patents
- 38
- Published applications
- 22
- Assignees
- 18
- Inventors
- 67
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 4 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wheel set intermediate frame for a rail vehicle10 Sep 2024US 12,084,097 B2Siemens Mobility GmbH
- Methods and systems for dynamic weight management4 Oct 2022US 11,459,002 B2Transportation IP Holdings, LLC
- Rail transport system26 Apr 2022US 11,312,399 B2BYD Company Limited
- Truck for railcar19 Mar 2019US 10,232,864 B2Kawasaki Jukogyo Kabushiki Kaisha
- Bidirectional railroad track to maglev guideway transition system13 Mar 2018US 9,915,035 B1
- Rail Vehicle and Running Gear for the Rail Vehicle28 May 2026US 2026/0145713 A1Siemens Mobility Austria GmbH
- rail structure of steel rail track and steel wheel vehicle14 Nov 2024US 2024/0376675 A1
- Scalable Tractive-Power System For Electric Railway-Vehicles Integrated into All-Wheel Electric Steering and Electric Braking Systems, Deriving 90% To 99% Traction and Dynamic Efficiency18 Nov 2021US 2021/0354566 A1
- Wheel set intermediate frame for a rail vehicle16 Sep 2021US 2021/0284204 A1Siemens Mobility GmbH
- Methods and systems for dynamic weight management18 Mar 2021US 2021/0078615 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Damping railway vehicle suspension63US 4,067,261 ASouth African Inventions Development Corporation · 1978
- 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 truck with improved steering linkage, detachable suspension and traction motor mounted brake27US 4,679,506 AGeneral Motors Corporation · 1987
- Locomotive and motorized self-steering radial truck therefor23US 4,765,250 AGeneral Motors Corporation · 1988