B61F 1/08
Details
B61F1/08 (Details) appears on 202 US grants and 188 published applications in this corpus.
Search patents in B61F- Granted patents
- 202
- Published applications
- 188
- Assignees
- 97
- Inventors
- 533
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 4 |
| 2004 | 4 | 2 |
| 2005 | 4 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 3 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 5 |
| 2011 | 3 | 3 |
| 2012 | 2 | 3 |
| 2013 | 2 | 8 |
| 2014 | 6 | 3 |
| 2015 | 6 | 16 |
| 2016 | 9 | 10 |
| 2017 | 4 | 11 |
| 2018 | 13 | 20 |
| 2019 | 5 | 19 |
| 2020 | 18 | 14 |
| 2021 | 17 | 13 |
| 2022 | 12 | 16 |
| 2023 | 7 | 6 |
| 2024 | 10 | 11 |
| 2025 | 10 | 5 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Locked-axle spring compression system and method15 Sep 2026US 12,735,080 B2BNSF Railway Company
- Launching device of roller coasters11 Aug 2026US 12,702,933 B2Guangdong Jinma Entertainment Corp., Ltd
- Railcar bodyshell4 Aug 2026US 12,698,014 B2Kawasaki Railcar Manufacturing Co., Ltd.
- Underframe for a rail vehicle car body28 Jul 2026US 12,691,914 B2Siemens Mobility Austria GmbH
- Platform traversal system and method2 Jun 2026US 12,643,578 B2Transportation IP Holdings, LLC
- Undercarriage for a rail-bound maglev vehicle of a magnetic levitation train, and maglev vehicle13 Aug 2026US 2026/0233766 A1Max Boegl Stiftung & Co. KG
- Narrow vehicle body high-speed maglev train and suspension frame therefor6 Aug 2026US 2026/0225626 A1Crrc Qingdao Sifang Co., Ltd.
- Rail Vehicle and Running Gear for the Rail Vehicle28 May 2026US 2026/0145713 A1Siemens Mobility Austria GmbH
- Railroad car having multiple penetration resistant and protective structures14 May 2026US 2026/0131831 A1Hgmotive, Inc.
- Cast components for cold formed center sill rail car modification programs26 Feb 2026US 2026/0054753 A1
Most cited
By later US patents
- Insulated composite railway boxcar and method75US 5,765,485 ATrinity Industries, Inc. · 1998
- Low level freight car72US 4,686,907 AHawker Siddeley Canada Ltd. · 1987
- Well car end girder arrangement48US 4,782,762 ATrinity Industries, Inc. · 1988
- Insulated composite railway boxcar and method48US 5,890,435 ATRN Business Trust · 1999
- Frameless radial truck45US 4,676,172 AStandard Research and Design Corporation · 1987