H05B 41/2825
By means of a bridge converter in the final stage
Official title: {by means of a bridge converter in the final stage (H05B41/285 takes precedence)}
H05B41/2825 (By means of a bridge converter in the final stage) appears on 950 US grants and 727 published applications in this corpus.
Search patents in H05B- Granted patents
- 950
- Published applications
- 727
- Assignees
- 331
- Inventors
- 1,149
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 20 | 0 |
| 1993 | 16 | 0 |
| 1994 | 17 | 0 |
| 1995 | 26 | 0 |
| 1996 | 18 | 0 |
| 1997 | 10 | 0 |
| 1998 | 28 | 0 |
| 1999 | 30 | 0 |
| 2000 | 38 | 0 |
| 2001 | 36 | 8 |
| 2002 | 33 | 35 |
| 2003 | 20 | 26 |
| 2004 | 33 | 59 |
| 2005 | 42 | 66 |
| 2006 | 49 | 82 |
| 2007 | 68 | 67 |
| 2008 | 52 | 80 |
| 2009 | 57 | 82 |
| 2010 | 52 | 73 |
| 2011 | 60 | 38 |
| 2012 | 51 | 24 |
| 2013 | 34 | 21 |
| 2014 | 28 | 15 |
| 2015 | 23 | 17 |
| 2016 | 19 | 9 |
| 2017 | 14 | 7 |
| 2018 | 7 | 6 |
| 2019 | 3 | 2 |
| 2020 | 5 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and systems of driving arrays of diodes14 Jul 2026US 12,683,357 B2Semiconductor Components Industries, LLC
- Control method for multi-zone active-matrix temperature control in plasma processing apparatus20 May 2025US 12,309,891 B2Advanced Micro-Fabrication Equipment Inc. China
- Hybrid power supply systems, methods, and devices for excimer lamps11 Jun 2024US 12,010,768 B2Goodrich Corporation
- Methods and systems of driving arrays of diodes26 Sep 2023US 11,769,987 B2Semiconductor Components Industries, LLC
- Method and apparatus for determining a target light intensity from a phase-control signal4 Jul 2023US 11,696,379 B2Lutron Technology Company LLC
- Circuit for conduction testing of power supply of plasma globe lamp6 Feb 2025US 2025/0044372 A1Changzhou Shengdan Electrical Equipment Co., Ltd.
- Light source device, dielectric barrier discharge lamp lighting circuit, and dielectric barrier discharge lamp lighting method18 Jul 2024US 2024/0244724 A1Ushio Denki Kabushiki Kaisha
- Methods and systems of driving arrays of diodes30 Nov 2023US 2023/0387658 A1Semiconductor Components Industries, LLC
- Hybrid power supply systems, methods, and devices for excimer lamps20 Apr 2023US 2023/0119015 A1Goodrich Corporation
- Method and Apparatus for Determining a Target Light Intensity From a Phase-Control Signal9 Feb 2023US 2023/0038540 A1Lutron Technology Company LLC
Most cited
By later US patents
- Inverter992US 8,044,604 B2Rohm Co., Ltd. · 2011
- Universal ballast control circuit611US 6,137,240 ALumion Corporation · 2000
- Multiple-light discharge lamp lighting device523US 7,579,785 B2Minebea Co., Ltd. · 2009
- Level shifter249US 6,037,720 APhilips Electronics North America Corporation · 2000
- Coded communication system and method for controlling an electric lamp185US 5,872,429 APhilips Electronics North America Corporation · 1999