B61F 5/30
Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
Official title: Axle-boxes mounted for movement under spring control in vehicle or bogie underframes {(B61F5/36 takes precedence over B61F5/305 - B61F5/34)}
B61F5/30 (Axle-boxes mounted for movement under spring control in vehicle or bogie underframes) appears on 416 US grants and 267 published applications in this corpus.
Search patents in B61F- Granted patents
- 416
- Published applications
- 267
- Assignees
- 181
- Inventors
- 631
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 10 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 12 | 0 |
| 1983 | 5 | 0 |
| 1984 | 16 | 0 |
| 1985 | 12 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 3 |
| 2003 | 6 | 4 |
| 2004 | 0 | 8 |
| 2005 | 2 | 7 |
| 2006 | 4 | 5 |
| 2007 | 4 | 8 |
| 2008 | 4 | 6 |
| 2009 | 6 | 11 |
| 2010 | 7 | 13 |
| 2011 | 7 | 8 |
| 2012 | 6 | 10 |
| 2013 | 14 | 9 |
| 2014 | 11 | 15 |
| 2015 | 2 | 20 |
| 2016 | 20 | 21 |
| 2017 | 18 | 17 |
| 2018 | 16 | 15 |
| 2019 | 18 | 24 |
| 2020 | 17 | 13 |
| 2021 | 17 | 13 |
| 2022 | 11 | 14 |
| 2023 | 12 | 11 |
| 2024 | 5 | 8 |
| 2025 | 10 | 2 |
| 2026 | 6 | 1 |
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
- Assembly for transmitting longitudinal forces in a rail vehicle14 Jul 2026US 12,679,428 B2Siemens Mobility GmbH
- Wheel arrangement for a rail vehicle2 Jun 2026US 12,643,580 B2Bombardier Transportation GmbH
- Bogie for a railway vehicle with roll stabiliser26 May 2026US 12,637,116 B2Cg Rail—Chinesisch-Deutsches Forschungs—Und Entwicklungszentrum FüR Bahn—Und Verkehrstechnik Dresden GmbH
- Wheel arrangement for a rail vehicle14 Apr 2026US 12,600,388 B2Bombardier Transportation GmbH
- Multi-unit railroad car and railroad car trucks therefor11 Jun 2026US 2026/0159140 A1National Steel Car Limited
- Electric rail vehicle28 Aug 2025US 2025/0269882 A1Parallel Systems, Inc.
- Vibration control component8 May 2025US 2025/0146889 A1Trelleborg Antivibration Solutions Germany GmbH
- A bogie and a vehicle with such bogie21 Nov 2024US 2024/0383508 A1Vlr Technologies Limited
- Autonomous rail vehicle systems and methods7 Nov 2024US 2024/0367696 A1Amsted Rail Company, Inc.
Most cited
By later US patents
- Service-life, low-profile, retrofittable, elastomeric mounting for three-piece, railroad-car trucks101US 5,237,933 ALord Corporation · 1993
- Lateral control mount77US 6,178,894 B22001
- Resilient railroad car truck76US 4,111,131 AStandard Car Truck Company · 1978
- 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