B61F 5/386
Fluid actuated
Official title: {fluid actuated}
B61F5/386 (Fluid actuated) appears on 44 US grants and 34 published applications in this corpus.
Search patents in B61F- Granted patents
- 44
- Published applications
- 34
- Assignees
- 38
- Inventors
- 120
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 3 | 4 |
| 2019 | 3 | 1 |
| 2020 | 0 | 5 |
| 2021 | 2 | 3 |
| 2022 | 5 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 5 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for improving curvilinear running speed of railway vehicle and smart tilting system11 Aug 2026US 12,703,406 B2Zhuzhou Times New Material Technology Co., Ltd.
- Assembly for transmitting longitudinal forces in a rail vehicle14 Jul 2026US 12,679,428 B2Siemens Mobility GmbH
- Failure determination device, brake control device, and failure determination method4 Mar 2025US 12,240,509 B2Mitsubishi Electric Corporation
- Wheel axle guiding assembly with longitudinal hydro-mechanical converters and associated running gear3 Dec 2024US 12,157,506 B2Bombardier Transportation GmbH
- Methods and systems for dynamic weight management1 Aug 2023US 11,713,063 B2Transportation IP Holdings, LLC
- Multifunctional steering control system for radial bogies30 Jul 2026US 2026/0217285 A1Changchun Sujian New Technology Development Co., Ltd.
- Adjustable torsion bar system and anti-roll method7 Nov 2024US 2024/0367699 A1Zhuzhou Times New Material Technology Co., Ltd.
- Method for improving curvilinear running speed of railway vehicle and small tilting system15 Aug 2024US 2024/0270291 A1Zhuzhou Times New Material Technology Co., Ltd.
- Bogie with improved secondary suspension system, and railway vehicle comprising such bogie18 Apr 2024US 2024/0124034 A1ALSTOM Holdings
- Emu bogie and rubber-tired train11 Jan 2024US 2024/0010271 A1CRRC Nanjing Puzhen Co., Ltd.
Most cited
By later US patents
- Bogie with swiveling axles13US 4,742,779 ACreusot-Loire · 1988
- Railway vehicle suspensions13US 5,588,367 A1996
- Axle control mechanism for rail vehicles11US 4,640,198 AThyssen Industrie AG · 1987
- Method of influencing the inflection angle of railway vehicle wagons, and railway vehicle for carrying out this method10US 6,161,064 AABB Daimler-Benz Transportation (Technology) GmbH · 2000
- Method of operating a bogie using actuators for wheel steering9US 5,429,056 AKrupp Verkehrstechnik GmbH · 1995