B61C 15/14
Controlling distribution of tractive effort between driving wheels
Official title: controlling distribution of tractive effort between driving wheels
B61C15/14 (Controlling distribution of tractive effort between driving wheels) appears on 41 US grants and 36 published applications in this corpus.
Search patents in B61C- Granted patents
- 41
- Published applications
- 36
- Assignees
- 30
- Inventors
- 97
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 3 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 6 |
| 2015 | 2 | 0 |
| 2016 | 2 | 3 |
| 2017 | 3 | 2 |
| 2018 | 2 | 6 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle control system21 Apr 2026US 12,606,133 B2Westinghouse Air Brake Technologies Corporation
- Friction testing system, computer-implemented friction-testing method for a rail vehicle, computer program and non-volatile data carrier21 Apr 2026US 12,606,219 B2Dellner Bubenzer AB
- Heavy-haul train and longitudinal dynamics traction operation optimization control system and method thereof23 Sep 2025US 12,420,849 B2Central South University
- Fuel control system7 Jan 2025US 12,187,327 B2Transportation IP Holdings, LLC
- Car control device and car control system18 Apr 2023US 11,628,868 B2Mitsubishi Electric Corporation
- Friction testing system, computer-implemented friction-testing method for a rail vehicle, computer program and non-volatile data carrier4 Sep 2025US 2025/0276723 A1Dellner Bubenzer AB
- Heavy-haul train and longitudinal dynamics traction operation optimization control system and method thereof10 Oct 2024US 2024/0336289 A1Central South University
- Fuel Control System13 Jan 2022US 2022/0010743 A1Transportation IP Holdings, LLC
- Vehicle control system16 Sep 2021US 2021/0284110 A1Westinghouse Air Brake Technologies Corporation
- Method for compensating for a loss of traction of a rail vehicle30 Jul 2020US 2020/0239038 A1Siemens Mobility GmbH
Most cited
By later US patents
- Propulsion system for integral trains33US 4,702,291 AGeneral Signal Corporation · 1987
- Wheel diameter calibration system for vehicle slip/slide control24US 6,148,269 AGeneral Electric Company · 2000
- System and method for locomotive adhesion control17US 7,285,926 B2General Electric Company · 2007
- Predicting wheel slip and skid in a locomotive15US 7,084,602 B2Railpower Technologies Corp. · 2006
- Managing wheel skid in a locomotive14US 7,064,507 B2Railpower Technologies Corp. · 2006