H01J 61/72
Having a main light-emitting filling of easily vaporisable metal vapour
Official title: having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
H01J61/72 (Having a main light-emitting filling of easily vaporisable metal vapour) appears on 394 US grants and 255 published applications in this corpus.
Search patents in H01J- Granted patents
- 394
- Published applications
- 255
- Assignees
- 157
- Inventors
- 777
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 25 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 8 |
| 2002 | 25 | 35 |
| 2003 | 24 | 21 |
| 2004 | 27 | 15 |
| 2005 | 12 | 20 |
| 2006 | 12 | 21 |
| 2007 | 15 | 31 |
| 2008 | 15 | 13 |
| 2009 | 12 | 24 |
| 2010 | 16 | 10 |
| 2011 | 15 | 8 |
| 2012 | 12 | 6 |
| 2013 | 9 | 12 |
| 2014 | 3 | 5 |
| 2015 | 4 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 2 |
| 2019 | 4 | 6 |
| 2020 | 4 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 4 |
| 2023 | 4 | 3 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
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- Fluorescent lighting system90US 5,211,467 ARockwell International Corporation · 1993
- Heavily loaded double-ended arc lamp80US 5,486,737 AOsram Sylvania Inc. · 1996