H05B 31/0057
Accessories for arc lamps
Official title: {Accessories for arc lamps}
H05B31/0057 (Accessories for arc lamps) appears on 7 US grants and 6 published applications in this corpus.
Search patents in H05B- Granted patents
- 7
- Published applications
- 6
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Nitrogen injection for arc lamps15 Oct 2024US 12,120,780 B2Beijing E-Town Semiconductor Technology Co., Ltd.
- Infrared heating mechanism and device19 Jul 2022US 11,395,374 B2Ningbo Youming Electrical Appliance Co., Ltd.
- Nitrogen injection for ARC lamps30 Mar 2021US 10,966,286 B2Beijing E-Town Semiconductor Technology Co., Ltd.
- Protection circuit and illumination driving circuit10 Dec 2019US 10,506,684 B2Joulwatt Technology (Hangzhou) Co., Ltd.
- Lamp color temperature stability in an automated luminaire24 Sep 2019US 10,422,520 B2Robe Lighting s.r.o.
- Nitrogen Injection for ARC Lamps30 Sep 2021US 2021/0307115 A1Beijing E-Town Semiconductor Technology Co., Ltd.
- Infrared Heating Mechanism and Device9 Jan 2020US 2020/0015322 A1Ningbo Youming Electrical Appliance Co., Ltd.
- Protection circuit and illumination driving circuit23 Aug 2018US 2018/0241195 A1Joulwatt Technology (Hangzhou) Co., Ltd.
- Improved lamp color temperature stability in an automated luminaire31 May 2018US 2018/0149347 A1Robe Lighting
- Individually-Tunable Heat Reflectors in an EPI-Growth System18 Jan 2018US 2018/0019136 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents