H01K 3/305
Testing of incandescent lamps
Official title: {Testing of incandescent lamps}
H01K3/305 (Testing of incandescent lamps) appears on 7 US grants and 2 published applications in this corpus.
Search patents in H01K- Granted patents
- 7
- Published applications
- 2
- Assignees
- 4
- Inventors
- 12
- Latest grant
- 15 Mar 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light bulb storage and testing assembly15 Mar 2016US 9,287,107 B2
- Circuit continuity and function monitor22 Nov 2005US 6,967,445 B1
- Holiday light bulb tester with light bulb socket insertable probes12 Jan 1993US 5,179,339 A
- Faulty lamp tester10 Sep 1991US 5,047,721 A
- Sealed beam headlamp and method for testing its serviceability19 Jan 1988US 4,720,652 ACooper Industries, Inc.
Most cited
By later US patents
- Holiday light bulb tester with light bulb socket insertable probes33US 5,179,339 A1993
- Circuit continuity and function monitor23US 6,967,445 B12005
- Faulty lamp tester18US 5,047,721 A1991
- Sealed beam headlamp and method for testing its serviceability8US 4,720,652 ACooper Industries, Inc. · 1988
- Nondestructive measurement of oxygen level in a tungsten-halogen incandescent bulb7US 4,590,429 AGeneral Motors Corporation · 1986