B61F 5/44
Adjustment controlled by movements of vehicle body
B61F5/44 (Adjustment controlled by movements of vehicle body) appears on 89 US grants and 28 published applications in this corpus.
Search patents in B61F- Granted patents
- 89
- Published applications
- 28
- Assignees
- 55
- Inventors
- 128
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 3 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 4 |
| 2019 | 0 | 3 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Failure determination device, brake control device, and failure determination method4 Mar 2025US 12,240,509 B2Mitsubishi Electric Corporation
- Running gear with a steering actuator, associated rail vehicle and control method4 Jul 2023US 11,691,653 B2Bombardier Transportation GmbH
- Rail transport system26 Apr 2022US 11,312,399 B2BYD Company Limited
- Method and apparatus for determining changes in the longitudinal dynamic behavior of a railway vehicle2 Mar 2021US 10,933,896 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Railcar steering bogie including brake unit9 Feb 2021US 10,913,470 B2Kawasaki Jukogyo Kabushiki Kaisha
- Multifunctional steering control system for radial bogies30 Jul 2026US 2026/0217285 A1Changchun Sujian New Technology Development Co., Ltd.
- Curved/straight guide device9 Jan 2025US 2025/0010894 A1Nippon Thompson Co., Ltd.
- Failure determination device, brake control device, and failure determination method28 Sep 2023US 2023/0303137 A1Mitsubishi Electric Corporation
- Method and apparatus for determining changes in the longitudinal dynamic behavior of a railway vehicle10 Dec 2020US 2020/0385036 A1Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Running Gear with a Steering Actuator, Associated Rail Vehicle and Control Method9 Jul 2020US 2020/0216101 A1Bombardier Transportation GmbH
Most cited
By later US patents
- Steering railroad truck64US 4,413,569 AAMSTED Industries Incorporated · 1983
- Frameless radial truck45US 4,676,172 AStandard Research and Design Corporation · 1987
- Self-steering trucks with side bearings supporting the entire weight of the vehicle45US 5,174,218 ARailway Engineering Associates, Inc. · 1992
- Self-steering railway truck38US 5,000,097 ARailway Engineering Associates, Inc. · 1991
- Railway bogie with improved stability and behavior in curves having a slidably mounted axle box arm37US 5,235,918 AA.N.F. Industrie · 1993