H05B 41/19
For lamps having an auxiliary starting electrode
Official title: for lamps having an auxiliary starting electrode
H05B41/19 (For lamps having an auxiliary starting electrode) appears on 45 US grants and 6 published applications in this corpus.
Search patents in H05B- Granted patents
- 45
- Published applications
- 6
- Assignees
- 28
- Inventors
- 85
- Latest grant
- 10 Mar 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Multistrike gas discharge lamp ignition apparatus and method10 Mar 2009US 7,501,773 B2Xenon Corporation
- Device for operation of a high pressure discharge lamp and a projector device21 Nov 2006US 7,138,769 B2Ushiodenki Kabushiki Kaisha
- Light source device9 Dec 2003US 6,661,184 B2Ushiodenki Kabushiki Kaisha
- High-intensity discharge lamp and high-intensity discharge lamp operating apparatus1 Jul 2003US 6,586,891 B2Matsushita Electric Industrial Co., Ltd.
- High pressure arc lamp assisted start up device and method1 Apr 2003US 6,541,915 B2The Board of Trustees of the University of Illinois
- Quick-start for low-pressure mercury amalgam lamps28 Jul 2011US 2011/0181187 A1Heraeus Noblelight GmbH
- Multistrike gas discharge lamp ignition apparatus and method25 Oct 2007US 2007/0247080 A1Xenon Corporation
- Device for operation of a high pressure discharge lamp and a projector device30 Jun 2005US 2005/0140311 A1Ushiodenki Kabushiki Kaisha
- Light source device20 Mar 2003US 2003/0052622 A1Ushiodenki Kabushiki Kaisha
- High pressure arc lamp assisted start up device and method23 Jan 2003US 2003/0015969 A1The Board of Trustees of the University of Illinois
Most cited
By later US patents
- High-pressure discharge lamp and lighting method52US 5,276,385 AToshiba Lighting & Technology Corporation · 1994
- Fluorescent lamp with incandescent ballasting systems50US 4,297,616 AXerox Corporation · 1981
- Fluorescent lamp unit having ballast resistor36US 3,996,493 AGeneral Electric Company · 1976
- Direct current power source for an electric discharge lamp33US 4,358,717 AQuietlite International, Ltd. · 1982
- Strobe power supply27US 4,321,507 AAustin Electronics, Inc. · 1982