H05B 41/391
Using saturable magnetic devices
Official title: using saturable magnetic devices
H05B41/391 (Using saturable magnetic devices) appears on 23 US grants and 9 published applications in this corpus.
Search patents in H05B- Granted patents
- 23
- Published applications
- 9
- Assignees
- 15
- Inventors
- 40
- Latest grant
- 13 Oct 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Lighting device control using variable inductor13 Oct 2015US 9,161,425 B2SureFire, LLC
- Illumination apparatus, electronic ballast therein and method for protecting the same13 May 2014US 8,723,435 B2Delta Electronics (Shanghai) Co., Ltd.
- Auto-dimming apparatus for controlling power delivered to a load31 May 2011US 7,952,301 B2
- Magnetically controlled transformer apparatus for controlling power delivered to a load with current transformer feedback25 Sep 2007US 7,274,574 B1
- High intensity discharge lamp magnetic/electronic ballast10 Jun 2003US 6,577,075 B2
- Lighting device control using variable inductor16 Apr 2015US 2015/0102746 A1SureFire, LLC
- Lighting device with a protection circuit having disable winding26 Jun 2014US 2014/0175984 A1General Electric Company
- Lighting device control using variable inductor21 Feb 2013US 2013/0043807 A1SureFire, LLC
- Illumination apparatus, electronic ballast therein and method for protecting the same31 Jan 2013US 2013/0026952 A1Delta Electronics (Shanghai) Co., Ltd.
- Auto-dimming apparatus for controlling power delivered to a load17 Jun 2010US 2010/0148692 A1
Most cited
By later US patents
- Metal vapor electric discharge lamp system93US 4,160,193 A1979
- Coupling of carrier signal from power line38US 4,675,579 AGeneral Electric Company · 1987
- Electronic dimmable gas tube power supply with overvoltage protection28US 5,550,437 AFrance/Scott Fetzer Company · 1996
- High intensity discharge lamp magnetic/electronic ballast27US 6,577,075 B22003
- Magnetically controlled transformer apparatus for controlling power delivered to a load23US 5,880,946 A1999