H05B 41/295
With semiconductor devices and specially adapted for lamps with preheating electrodes
Official title: with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
H05B41/295 (With semiconductor devices and specially adapted for lamps with preheating electrodes) appears on 808 US grants and 457 published applications in this corpus.
Search patents in H05B- Granted patents
- 808
- Published applications
- 457
- Assignees
- 264
- Inventors
- 1,008
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 17 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 21 | 0 |
| 1991 | 21 | 0 |
| 1992 | 18 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 33 | 0 |
| 1996 | 29 | 0 |
| 1997 | 23 | 0 |
| 1998 | 37 | 0 |
| 1999 | 42 | 0 |
| 2000 | 30 | 0 |
| 2001 | 27 | 3 |
| 2002 | 21 | 27 |
| 2003 | 29 | 34 |
| 2004 | 34 | 38 |
| 2005 | 22 | 27 |
| 2006 | 21 | 32 |
| 2007 | 27 | 30 |
| 2008 | 34 | 29 |
| 2009 | 18 | 48 |
| 2010 | 21 | 47 |
| 2011 | 39 | 28 |
| 2012 | 46 | 42 |
| 2013 | 37 | 24 |
| 2014 | 32 | 21 |
| 2015 | 17 | 7 |
| 2016 | 11 | 6 |
| 2017 | 3 | 2 |
| 2018 | 6 | 4 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 3 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Energy harvesting dual purpose monitoring temperature as a PHM sensor17 Dec 2024US 12,168,077 B2Goodrich Corporation
- Driving circuit of a lamp and method for operating the driving circuit of the lamp5 Dec 2023US 11,839,004 B2Savant Technologies LLC
- Lamp with temperature control26 Sep 2023US 11,769,658 B2Trojan Technologies Group Ulc
- Method and apparatus for determining a target light intensity from a phase-control signal4 Jul 2023US 11,696,379 B2Lutron Technology Company LLC
- Method and apparatus for determining a target light intensity from a phase-control signal1 Nov 2022US 11,490,475 B2Lutron Technology Company LLC
- Method and Apparatus for Determining a Target Light Intensity From a Phase-Control Signal9 Feb 2023US 2023/0038540 A1Lutron Technology Company LLC
- 222 nm excimer bulb for uv light disinfection: energy harvesting dual purpose monitoring temperature as a phm sensor1 Dec 2022US 2022/0378958 A1Goodrich Corporation
- Driving circuit of a lamp and method for operating the driving circuit of the lamp10 Nov 2022US 2022/0361306 A1Current Lighting Solutions, LLC
- Lamp with temperature control3 Feb 2022US 2022/0037143 A1Trojan Technologies Group Ulc
- Method and Apparatus for Determining a Target Light Intensity From a Phase-Control Signal28 Jan 2021US 2021/0029790 A1Lutron Technology Company LLC
Most cited
By later US patents
- Resetting an electronic ballast in the event of fault525US 8,004,198 B2Osram Sylvania Inc. · 2011
- Inductively powered lamp assembly370US 6,731,071 B2Access Business Group International LLC · 2004
- Inductively powered lamp assembly317US 6,917,163 B2Access Business Group International LLC · 2005
- Inductively powered lamp assembly315US 6,812,645 B2Access Business Group International LLC · 2004
- Starter assembly for a gas discharge lamp282US 6,806,649 B2Access Business Group International LLC · 2004