H05B 41/2827
Using specially adapted components in the load circuit
Official title: {using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations}
H05B41/2827 (Using specially adapted components in the load circuit) appears on 355 US grants and 251 published applications in this corpus.
Search patents in H05B- Granted patents
- 355
- Published applications
- 251
- Assignees
- 171
- Inventors
- 519
- Latest grant
- 6 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 18 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 16 | 0 |
| 2001 | 21 | 1 |
| 2002 | 16 | 16 |
| 2003 | 7 | 11 |
| 2004 | 11 | 12 |
| 2005 | 9 | 17 |
| 2006 | 15 | 25 |
| 2007 | 22 | 28 |
| 2008 | 16 | 32 |
| 2009 | 18 | 38 |
| 2010 | 27 | 31 |
| 2011 | 25 | 10 |
| 2012 | 15 | 6 |
| 2013 | 8 | 8 |
| 2014 | 7 | 2 |
| 2015 | 10 | 6 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 1 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Multi-Channel Independent Control Circuit of Lighting Power Supply22 Nov 2018US 2018/0338366 A1Delight Innovative Technologies Limited
- Programmable feed-forward regulation8 Nov 2018US 2018/0324936 A1Osram Sylvania Inc.
- Segmental driving of light emitting circuits17 Aug 2017US 2017/0238376 A1Philips Lighting Holding B. V.
Most cited
By later US patents
- Multiple-light discharge lamp lighting device523US 7,579,785 B2Minebea Co., Ltd. · 2009
- Apparatus for controlling a discharge lamp in a backlighted display132US 6,114,814 AMonolithic Power Systems, Inc. · 2000
- Dual-use electronic transceiver set for wireless data networks110US 6,198,230 B1Talking Lights, LLC · 2001
- Control circuit for piezo transformer based fluorescent lamp power supplies96US 6,400,096 B1Texas Instruments Incorporated · 2002
- Multi-lamp driving system83US 6,717,372 B2Ambit Microsystems Corp. · 2004