H05B 41/2828
Using control circuits for the switching elements
Official title: {using control circuits for the switching elements (H05B41/2827 takes precedence)}
H05B41/2828 (Using control circuits for the switching elements) appears on 497 US grants and 429 published applications in this corpus.
Search patents in H05B- Granted patents
- 497
- Published applications
- 429
- Assignees
- 214
- Inventors
- 623
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 6 |
| 2002 | 14 | 13 |
| 2003 | 10 | 14 |
| 2004 | 14 | 44 |
| 2005 | 31 | 45 |
| 2006 | 31 | 48 |
| 2007 | 42 | 41 |
| 2008 | 37 | 41 |
| 2009 | 35 | 44 |
| 2010 | 20 | 34 |
| 2011 | 33 | 24 |
| 2012 | 32 | 15 |
| 2013 | 23 | 13 |
| 2014 | 20 | 11 |
| 2015 | 11 | 10 |
| 2016 | 17 | 7 |
| 2017 | 10 | 5 |
| 2018 | 5 | 4 |
| 2019 | 2 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 1 |
| 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.
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- 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
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- Coded communication system and method for controlling an electric lamp185US 5,872,429 APhilips Electronics North America Corporation · 1999
- DC-AC converter, controller IC therefor, and electronic apparatus utilizing such DC-AC converter180US 7,466,566 B2Rohm Co., Ltd. · 2008