H01J 61/325
U-shaped lamps
Official title: {U-shaped lamps}
H01J61/325 (U-shaped lamps) appears on 66 US grants and 34 published applications in this corpus.
Search patents in H01J- Granted patents
- 66
- Published applications
- 34
- Assignees
- 39
- Inventors
- 136
- Latest grant
- 12 Jul 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 5 | 3 |
| 2004 | 4 | 7 |
| 2005 | 0 | 4 |
| 2006 | 4 | 7 |
| 2007 | 1 | 0 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Latching method ensuring device can be sealed reliably and ultra-violet liquid processing device12 Jul 2016US 9,388,057 B2Shenzhen Xingrisheng Industrial Co., Ltd.
- Radio frequency powered gas-filled lamps1 Mar 2016US 9,277,633 B1
- Integrated-shaping tubes for an automatic one-shot-modeled compact fluorescent lamp (CFL) in mass production and the method thereof9 Oct 2012US 8,283,847 B2Xiamen Donglin Electronics Co., Ltd.
- Lamp and driving device for backlight assembly having the same8 May 2012US 8,174,207 B2LG Display Co., Ltd.
- Direct type backlight unit9 Aug 2011US 7,993,047 B2LG Display Co., Ltd.
- Latching method ensuring device can be sealed reliably and ultra-violet liquid processing device15 Jan 2015US 2015/0014550 A1Shenzhen Xingrisheng Industrial Co., Ltd.
- Self-contained multi-function retro-reflecting mirror in lamp tube12 Jan 2012US 2012/0008324 A1OSRAM Sylania Inc.
- Single-Ended Fluorescent Lamp and a Luminaire Matched With the Single-Ended Fluorescent Lamp For Use2 Dec 2010US 2010/0302791 A1
- Cold cathode discharge tube and manufacturing method thereof and liquid crystal display device24 Jun 2010US 2010/0157203 A1Hitachi Display Devices, Ltd.
- Linkage members methods of protecting lamps and lamps13 May 2010US 2010/0118553 A1
Most cited
By later US patents
- Dimmable electrodeless light source66US 6,246,183 B1Litton Systems, Inc. · 2001
- Fluorescent lamp heat-dissipating apparatus55US 5,537,301 APacific Scientific Company · 1996
- U-shaped fluorescent lamp with protective assembly51US 6,246,167 B12001
- Heat transfer assembly for a fluorescent lamp and fixture49US 5,174,646 AThe Regents of the University of California · 1992
- Fluorescent reflector lamp assembly43US 4,939,420 A1990