B60L 7/04
For vehicles propelled by dc motors
Official title: for vehicles propelled by DC motors
B60L7/04 (For vehicles propelled by dc motors) appears on 31 US grants and 28 published applications in this corpus.
Search patents in B60L- Granted patents
- 31
- Published applications
- 28
- Assignees
- 28
- Inventors
- 78
- Latest grant
- 14 May 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 2 | 4 |
| 2013 | 3 | 5 |
| 2014 | 3 | 5 |
| 2015 | 5 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Motor-driven traveling device14 May 2019US 10,286,883 B2Sharp Kabushiki Kaisha
- Electric vehicle controller22 May 2018US 9,975,433 B2Mitsubishi Electric Corporation
- Power drive unit with power-off dynamic brake13 Feb 2018US 9,889,990 B2Ancra International LLC
- Method of utilizing power transistor of fuel cell stack diagnostic system30 Aug 2016US 9,428,078 B2Hyundai Motor Company
- Traction motor drive system for a locomotive25 Aug 2015US 9,118,178 B2Progress Rail Services Corporation
- Power drive unit with power-off dynamic brake21 Jun 2018US 2018/0170677 A1Ancra International LLC
- Motor-driven traveling device16 Nov 2017US 2017/0327093 A1Sharp Kabushiki Kaisha
- Electric vehicle controller17 Aug 2017US 2017/0232847 A1Mitsubishi Electric Corporation
- Power drive unit with power-off dynamic brake12 May 2016US 2016/0130089 A1Ancra International LLC
- Braking system for vehicle16 Apr 2015US 2015/0102752 A1Electro-Motive Diesel, Inc.
Most cited
By later US patents
- Lightweight electrically driven three-wheeled vehicle with low center of gravity and lightweight superstructure including improved braking system52US 4,313,517 AAmerican Microcar Incorporated · 1982
- Method for propelling and retarding off-road haulers38US 5,351,775 AMarathon LeTourneau Company · 1994
- Consist power monitor37US 5,530,328 APulse Electronics, Inc. · 1996
- Method and apparatus for propelling and retarding off-road haulers34US 5,103,923 AMarathon LeTourneau Company · 1992
- Propulsion and electric braking system for electric traction motor vehicle34US 5,323,095 AGeneral Electric Company · 1994