H05B 39/02
Switching on
Official title: Switching on, e.g. with predetermined rate of increase of lighting current
H05B39/02 (Switching on) appears on 126 US grants and 56 published applications in this corpus.
Search patents in H05B- Granted patents
- 126
- Published applications
- 56
- Assignees
- 88
- Inventors
- 209
- Latest grant
- 6 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 4 |
| 2003 | 5 | 3 |
| 2004 | 3 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 4 |
| 2008 | 2 | 3 |
| 2009 | 3 | 4 |
| 2010 | 6 | 2 |
| 2011 | 0 | 3 |
| 2012 | 2 | 3 |
| 2013 | 6 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 4 | 4 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Intelligent electrical switch6 Sep 2022US 11,437,204 B2Ivani, LLC
- Adaptive connection of resistive elements and temperature-dependent resistive elements12 Apr 2022US 11,300,595 B2Hewlett-Packard Development Company, L. P.
- Faceplate switch8 Feb 2022US 11,245,285 B2Ivani, LLC
- Dimming track lamp11 Jan 2022US 11,221,129 B2Self Electronics Co., Ltd.
- Focus pluggable interface control device16 Mar 2021US 10,952,304 B2Shenzhen Guanke Technologies Co., Ltd
- Adaptive connection of resistive elements and temperature-dependent resistive elements2 Sep 2021US 2021/0270875 A1Hewlett-Packard Development Company, L. P.
- Dimming Track Lamp26 Aug 2021US 2021/0262646 A1Self Electronics Co., Ltd.
- Focus pluggable interface control device11 Jun 2020US 2020/0187320 A1Shenzhen Guanke Technologies Co., Ltd
- Vehicular lighting device5 Sep 2019US 2019/0274209 A1Koito Manufacturing Co., Ltd.
- Selective power supply device for incandescent lamp or light-emitting diode20 Jun 2019US 2019/0191536 A1STMicroelectronics (Alps) SAS
Most cited
By later US patents
- Load control system205US 4,833,339 ALutron Electronics Co., Inc. · 1989
- Phase-cut dimming circuit89US 8,102,167 B2Microsemi Corporation · 2012
- Self-powered, self-regulated, electronic ac control system75US 4,504,778 AElectronic Systems International, Inc. · 1985
- Methods and apparatuses for phase-cut dimming at low conduction angles62US 8,558,518 B2Microsemi Corporation · 2013
- Two terminal incandescent lamp controller61US 5,030,890 A1991