H01J 61/48
Separate coatings of different luminous materials
H01J61/48 (Separate coatings of different luminous materials) appears on 83 US grants and 44 published applications in this corpus.
Search patents in H01J- Granted patents
- 83
- Published applications
- 44
- Assignees
- 42
- Inventors
- 198
- Latest grant
- 27 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 7 |
| 2005 | 2 | 3 |
| 2006 | 2 | 5 |
| 2007 | 2 | 1 |
| 2008 | 3 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 3 | 6 |
| 2014 | 3 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Photoionization detector ultraviolet lamp27 Apr 2021US 10,989,691 B2Honeywell International Inc.
- Photoionization detector ultraviolet lamp11 Aug 2020US 10,739,310 B2Honeywell International Inc.
- Luminescent converter for a phosphor-enhanced light source5 Sep 2017US 9,754,776 B2Philips Lighting Holding B. V.
- Phosphor-containing coating systems and fluorescent lamps equipped therewith25 Apr 2017US 9,633,830 B2General Electric Company
- High color rendering index fluorescent lamp with multi-layer phosphor coating22 Sep 2015US 9,142,397 B2General Electric Company
- A phosphor combination for a uv emitting device and a uv generating device utilizing such a phosphor combination5 May 2022US 2022/0139692 A1Xylem Europe GmbH
- Photoionization detector ultraviolet lamp17 Sep 2020US 2020/0292496 A1Honeywell International Inc.
- Photoionization detector ultraviolet lamp5 Sep 2019US 2019/0271662 A1Honeywell International Inc.
- Phosphor-containing coating systems and fluorescent lamps equipped therewith3 Mar 2016US 2016/0064203 A1General Electric Company
- Planar plasma lamp and method of manufacture15 Oct 2015US 2015/0294852 A1
Most cited
By later US patents
- Low-pressure gas discharge lamp with phosphor coating351US 6,734,631 B2Koninklijke Philips Electronics N. V. · 2004
- Fluorescent lamp with improved phosphor blend77US 6,137,217 AGTE Products Corporation · 2000
- Warm-white fluorescent lamp having good efficacy and color rendering and using special phosphor blend as separate undercoat61US 4,305,019 AWestinghouse Electric Corp. · 1981
- Fluorescent discharge lamp54US 4,559,470 AMitsubishi Denki Kabushiki Kaisha · 1985
- Fluorescent lamp using high performance phosphor blend which is protected from color shifts by a very thin overcoat of stable phosphor of similar chromaticity53US 4,315,192 AWestinghouse Electric Corp. · 1982