B61F 1/06
Underframes: specially adapted for locomotives or motor-driven railcars
Official title: specially adapted for locomotives or motor-driven railcars
B61F1/06 (Underframes: specially adapted for locomotives or motor-driven railcars) appears on 11 US grants and 13 published applications in this corpus.
Search patents in B61F- Granted patents
- 11
- Published applications
- 13
- Assignees
- 15
- Inventors
- 49
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic traction assist for railcar mover21 Jul 2026US 12,686,418 B2Trackmobile LLC
- Assembly for increasing the load-bearing capacity of a structural component of a rail vehicle2 Sep 2025US 12,403,941 B2Siemens Mobility GmbH
- Wheel set intermediate frame for a rail vehicle10 Sep 2024US 12,084,097 B2Siemens Mobility GmbH
- Magnetic traction assist for railcar mover21 Nov 2023US 11,820,406 B2Trackmobile LLC
- Ballast arrangement for a rail vehicle, and method for producing a ballast device16 Aug 2022US 11,414,105 B2Siemens Mobility GmbH
- Undercarriage for a rail-bound maglev vehicle of a magnetic levitation train, and maglev vehicle13 Aug 2026US 2026/0233766 A1Max Boegl Stiftung & Co. KG
- Lightweight underframe for machine11 Jun 2026US 2026/0159139 A1Progress Rail Locomotive Inc.
- Magnetic Traction Assist for Railcar Mover17 Oct 2024US 2024/0343272 A1Trackmobile LLC
- Assembly for increasing the load-bearing capacity of a structural component of a rail vehicle23 Feb 2023US 2023/0054558 A1Siemens Mobility GmbH
- Wheel set intermediate frame for a rail vehicle16 Sep 2021US 2021/0284204 A1Siemens Mobility GmbH
Most cited
By later US patents
- Process for mechanical/welded assembly of chassis elements for railway vehicles7US 4,778,098 AJeumont-Schneider Corporation · 1988
- Underfloor construction of monorail vehicle and method of assembling the same7US 4,825,774 AHitachi, Ltd. · 1989
- Load handling railroad vehicle6US 4,234,287 AFordertechnische Forschungsgesellschaft mbH · 1980
- Chassis for rail vehicles2US 9,994,240 B2Siemens AG Osterreich · 2018
- Magnetic traction assist for railcar mover1US 11,820,406 B2Trackmobile LLC · 2023