B60T 13/748
Acting on electro-magnetic brakes
Official title: {acting on electro-magnetic brakes (combined with fluid-pressure brake systems B60T13/667)}
B60T13/748 (Acting on electro-magnetic brakes) appears on 123 US grants and 143 published applications in this corpus.
Search patents in B60T- Granted patents
- 123
- Published applications
- 143
- Assignees
- 116
- Inventors
- 363
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 5 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 6 |
| 2014 | 2 | 3 |
| 2015 | 5 | 9 |
| 2016 | 8 | 10 |
| 2017 | 6 | 8 |
| 2018 | 4 | 12 |
| 2019 | 9 | 10 |
| 2020 | 6 | 13 |
| 2021 | 9 | 13 |
| 2022 | 15 | 7 |
| 2023 | 7 | 8 |
| 2024 | 12 | 12 |
| 2025 | 8 | 9 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Wheel borne counter rotating disc alternator55US 4,021,690 A1977
- Electromagnetic or permanent-magnetic rail brake48US 5,862,891 AKnorr-Bremse Systeme Fur Scheinenfahrzeuge GmbH · 1999
- Integral park brake/eddy current brake assembly44US 6,557,673 B1Visteon Global Technologies, Inc. · 2003
- Temperature dependent regenerative brake system for electric vehicle38US 6,275,763 B1Eaglestar Electric Drive Systems LLP · 2001
- Switchable permanent magnet brake33US 4,482,034 A1984