H01J 61/98
Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge
Official title: Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp
H01J61/98 (Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge) appears on 13 US grants and 4 published applications in this corpus.
Search patents in H01J- Granted patents
- 13
- Published applications
- 4
- Assignees
- 9
- Inventors
- 16
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 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 | 2 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 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 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Ultraviolet field-emission lamps and their applications3 Oct 2023US 11,776,802 B2NS Nanotech, Inc.
- Ultraviolet field-emission lamps and their applications28 Jun 2022US 11,373,853 B2NS Nanotech, Inc.
- Ultraviolet field-emission lamps and their applications13 Apr 2021US 10,978,290 B1NS Nanotech, Inc.
- Stage light fixture25 Dec 2018US 10,161,618 B2Clay Paky S.p.A.
- Chimney-cooled arc lamp electrode2 Oct 2001US 6,297,591 B1ILC Technology, Inc.
- Ultraviolet field-emission lamps and their applications28 Mar 2024US 2024/0105441 A1NS Nanotech, Inc.
- Ultraviolet field-emission lamps and their applications15 Sep 2022US 2022/0293412 A1NS Nanotech, Inc.
- Ultraviolet field-emission lamps and their applications3 Mar 2022US 2022/0068625 A1NS Nanotech, Inc.
- Stage light fixture6 Apr 2017US 2017/0097151 A1Clay Paky S.p.A.
Most cited
By later US patents
- Xenon arc lamp with compressive ceramic to metal seals22US 4,179,037 AVarian Associates, Inc. · 1979
- Magnetically stabilized xenon arc lamp17US 3,988,626 AEprad Incorporated · 1976
- Short-arc discharge lamp with starting device16US 4,138,621 AGeneral Electric Company · 1979
- Short-arc discharge lamp with electrode support structure15US 4,038,578 AU. S. Philips Corporation · 1977
- Short-arc lamp with alternating current drive14US 4,724,352 AILC Technology, Inc. · 1988