B61F 5/32
Guides
Official title: Guides, e.g. plates, for axle-boxes
B61F5/32 (Guides) appears on 183 US grants and 97 published applications in this corpus.
Search patents in B61F- Granted patents
- 183
- Published applications
- 97
- Assignees
- 88
- Inventors
- 278
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 4 | 2 |
| 2009 | 4 | 1 |
| 2010 | 2 | 7 |
| 2011 | 2 | 1 |
| 2012 | 3 | 4 |
| 2013 | 4 | 2 |
| 2014 | 3 | 2 |
| 2015 | 1 | 8 |
| 2016 | 4 | 7 |
| 2017 | 8 | 9 |
| 2018 | 5 | 7 |
| 2019 | 7 | 8 |
| 2020 | 10 | 6 |
| 2021 | 8 | 5 |
| 2022 | 3 | 5 |
| 2023 | 5 | 4 |
| 2024 | 2 | 3 |
| 2025 | 5 | 0 |
| 2026 | 2 | 0 |
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
- Wheel arrangement for a rail vehicle2 Jun 2026US 12,643,580 B2Bombardier Transportation GmbH
- Underneath type railway freight car bogie wheelset radial device18 Nov 2025US 12,472,996 B2Crrc Meishan Co., Ltd.
- Traction rod assembly16 Sep 2025US 12,415,553 B2Wabtec UK Limited
- Hydraulic composite bushing, and sealing method for same5 Aug 2025US 12,379,012 B2Zhuzhou Times New Material Technology Co., Ltd.
- Locked-axle spring compression system and method28 Mar 2024US 2024/0101165 A1BNSF Railway Company
- Locked-axle spring compression system and method28 Mar 2024US 2024/0101166 A1BNSF Railway Company
- Railcar Truck Roller Bearing Adapter-Pad Systems11 Jan 2024US 2024/0010246 A1Nevis Industries LLC
- Railcar Truck Roller Bearing Adapter-Pad Systems16 Nov 2023US 2023/0365167 A1Nevis Industries LLC
- Underneath type railway freight car bogie wheelset radial device21 Sep 2023US 2023/0294746 A1Crrc Meishan Co., Ltd.
Most cited
By later US patents
- Bearing adapter for railway trucks having downward depending ends on adapter plate for protecting the adapter thrust lugs75US 5,404,826 APennsy Corporation · 1995
- Bearing adapter and adapter pad for railway trucks74US 5,799,582 APennsy Corporation · 1998
- Railcar truck bearing adapter construction72US 5,794,538 AAMSTED Industries Incorporated · 1998
- Bearing adapter and adapter pad for railway trucks70US 5,562,045 APennsy Corporation · 1996
- Pedestal roof wear liner69US 4,192,240 AAMSTED Industries Incorporated · 1980